Items where City Author is "Fring, A."
Article
Fring, A. 
ORCID: 0000-0002-7896-7161, Taira, T. ORCID: 0000-0003-3083-9352 & Turner, B. (2024).
Nonlinear evolution of disturbances in higher time-derivative theories.
Journal of High Energy Physics, 2024(9),
article number 199.
doi: 10.1007/jhep09(2024)199
Fring, A. ORCID: 0000-0002-7896-7161 & Reboiro, M. (2024).
Phase transitions and thermodynamic cycles in the broken PT-regime.
The European Physical Journal Plus, 139(8),
article number 733.
doi: 10.1140/epjp/s13360-024-05535-y
Fring, A. ORCID: 0000-0002-7896-7161, Turner, B. & Taira, T. (2024).
Higher Time-Derivative Theories from Space–Time Interchanged Integrable Field Theories.
Universe, 10(5),
article number 198.
doi: 10.3390/universe10050198
Correa, F. ORCID: 0000-0003-1735-2822, Fring, A. ORCID: 0000-0002-7896-7161 & Quintana, O. (2024).
Infinite affine, hyperbolic and Lorentzian Weyl groups with their associated Calogero models.
Journal of Physics A: Mathematical and Theoretical, 57(5),
article number 055203.
doi: 10.1088/1751-8121/ad1d8f
Fring, A. ORCID: 0000-0002-7896-7161 & Turner, B. (2023).
Integrable scattering theory with higher derivative Hamiltonians.
The European Physical Journal Plus, 138(12),
article number 1136.
doi: 10.1140/epjp/s13360-023-04726-3
Fring, A. ORCID: 0000-0002-7896-7161 & Taira, T. (2023).
Non-Hermitian quantum Fermi accelerator.
Physical Review A, 108(1),
article number 012222.
doi: 10.1103/physreva.108.012222
Fring, A. ORCID: 0000-0002-7896-7161 & Turner, B. S. (2023).
Higher derivative Hamiltonians with benign ghosts from affine Toda lattices.
Journal of Physics A: Mathematical and Theoretical, 56(29),
article number 295203.
doi: 10.1088/1751-8121/ace0e6
Fring, A. ORCID: 0000-0002-7896-7161, Taira, T. & Tenney, R. (2023).
Real energies and Berry phases in all PT-regimes in time-dependent non-Hermitian theories.
Journal of Physics A: Mathematical and Theoretical, 56(12),
LT01.
doi: 10.1088/1751-8121/acbe80
Fring, A. ORCID: 0000-0002-7896-7161 (2023).
An Introduction to PT-Symmetric Quantum Mechanics-Time-Dependent Systems.
Journal of Physics: Conference Series, 2448(1),
article number 012002.
doi: 10.1088/1742-6596/2448/1/012002
Fring, A. ORCID: 0000-0002-7896-7161 & Tenney, R. (2022).
Lewis–Riesenfeld invariants for PT-symmetrically coupled oscillators from two-dimensional point transformations and Lie algebraic expansions.
Journal of Mathematical Physics, 63(12),
article number 123509.
doi: 10.1063/5.0110312
Fring, A. ORCID: 0000-0002-7896-7161, Taira, T. & Tenney, R. (2022).
Time-dependent C-operators as Lewis-Riesenfeld invariants in non-Hermitian theories.
Physics Letters A, 452,
article number 128458.
doi: 10.1016/j.physleta.2022.128458
Correa, F., Fring, A. ORCID: 0000-0002-7896-7161 & Taira, T. (2022).
Moduli spaces for PT-regularized solitons.
Journal of High Energy Physics, 2022(10),
article number 109.
doi: 10.1007/jhep10(2022)109
Correa, F., Fring, A. ORCID: 0000-0002-7896-7161 & Taira, T. (2022).
Linearly stable and unstable complex soliton solutions with real energies in the Bullough-Dodd model.
Nuclear Physics B, 979,
article number 115783.
doi: 10.1016/j.nuclphysb.2022.115783
Fring, A. ORCID: 0000-0002-7896-7161 & Taira, T. (2022).
Massive gauge particles versus Goldstone bosons in non-Hermitian non-Abelian gauge theory.
The European Physical Journal Plus, 137(6),
article number 716.
doi: 10.1140/epjp/s13360-022-02889-z
Cen, J., Correa, F., Fring, A. ORCID: 0000-0002-7896-7161 & Taira, T. (2022).
Stability in integrable nonlocal nonlinear equations.
Physics Letters A, 435,
article number 128060.
doi: 10.1016/j.physleta.2022.128060
Fring, A. ORCID: 0000-0002-7896-7161 & Tenney, R. (2021).
Infinite series of time-dependent Dyson maps.
Journal of Physics A: Mathematical and Theoretical, 54(48),
article number 485201.
doi: 10.1088/1751-8121/ac31a0
Fring, A. ORCID: 0000-0002-7896-7161 & Taira, T. (2021).
Non-Hermitian gauge field theories and BPS limits.
Journal of Physics: Conference Series, 2038(1),
article number 012010.
doi: 10.1088/1742-6596/2038/1/012010
Bender, C., Correa, F. & Fring, A. ORCID: 0000-0002-7896-7161 (2021).
Preface PT Seminars 2020.
Journal of Physics: Conference Series, 2038,
article number 011001.
doi: 10.1088/1742-6596/2038/1/011001
Correa, F., Fring, A. ORCID: 0000-0002-7896-7161 & Taira, T. (2021).
Complex BPS Skyrmions with real energy.
Nuclear Physics B, 971,
article number 115516.
doi: 10.1016/j.nuclphysb.2021.115516
Fring, A. ORCID: 0000-0002-7896-7161 & Whittington, S. (2021).
Lorentzian Toda field theories.
Reviews in Mathematical Physics, 33(06),
article number 2150017.
doi: 10.1142/s0129055x21500173
Fring, A. ORCID: 0000-0002-7896-7161 & Tenney, R. (2021).
Exactly solvable time-dependent non-Hermitian quantum systems from point transformations.
Physics Letters A, 410,
article number 127548.
doi: 10.1016/j.physleta.2021.127548
Fring, A. ORCID: 0000-0002-7896-7161 & Tenney, R. (2021).
Perturbative approach for strong and weakly coupled time-dependent for non-Hermitian quantum systems.
Physica Scripta, 96(4),
article number 045211.
doi: 10.1088/1402-4896/abe259
Fring, A. ORCID: 0000-0002-7896-7161 & Tenney, R. (2020).
Spectrally equivalent time-dependent double wells and unstable anharmonic oscillators.
Physics Letters A, 384(21),
article number 126530.
doi: 10.1016/j.physleta.2020.126530
Fring, A. ORCID: 0000-0002-7896-7161 & Taira, T. (2020).
't Hooft-Polyakov monopoles in non-Hermitian quantum field theory.
Physics Letters B, 807,
article number 135583.
doi: 10.1016/j.physletb.2020.135583
Cen, J., Correa, F. & Fring, A. ORCID: 0000-0002-7896-7161 (2020).
Nonlocal gauge equivalence: Hirota versus extended continuous Heisenberg and Landau-Lifschitz equation.
Journal of Physics A: Mathematical and Theoretical, 53(19),
article number 195201.
doi: 10.1088/1751-8121/ab81d9
Fring, A. ORCID: 0000-0002-7896-7161 & Frith, T. (2020).
Time-dependent metric for the two-dimensional, non-Hermitian coupled oscillator.
Modern Physics Letters A, 35(08),
article number 2050041.
doi: 10.1142/s0217732320500418
Fring, A. ORCID: 0000-0002-7896-7161 & Whittington, S. (2020).
n-Extended Lorentzian Kac-Moody algebras.
Letters in Mathematical Physics, 110(7),
pp. 1689-1710.
doi: 10.1007/s11005-020-01272-2
Fring, A. ORCID: 0000-0002-7896-7161 & Tenney, R. (2020).
Time-independent approximations for time-dependent optical potentials.
The European Physical Journal Plus, 135(2),
article number 163.
doi: 10.1140/epjp/s13360-020-00143-y
Fring, A. ORCID: 0000-0002-7896-7161 & Taira, T. (2020).
Pseudo-Hermitian approach to Goldstone’s theorem in non-Abelian non-Hermitian quantum field theories.
Physical Review D, 101(4),
article number 045014.
doi: 10.1103/physrevd.101.045014
Cen, J. & Fring, A. ORCID: 0000-0002-7896-7161 (2020).
Multicomplex solitons.
Journal of Nonlinear Mathematical Physics, 27(1),
pp. 17-35.
doi: 10.1080/14029251.2020.1683963
Fring, A. ORCID: 0000-0002-7896-7161 & Taira, T. (2020).
Goldstone bosons in different PT-regimes of non-Hermitian scalar quantum field theories.
Nuclear Physics B, 950,
article number 114834.
doi: 10.1016/j.nuclphysb.2019.114834
Fring, A. ORCID: 0000-0002-7896-7161 & Taira, T. (2020).
Complex BPS solitons with real energies from duality.
Journal of Physics A: Mathematical and Theoretical, 53(45),
article number 455701.
doi: 10.1088/1751-8121/abb92a
Cen, J. & Fring, A. ORCID: 0000-0002-7896-7161 (2019).
Asymptotic and scattering behaviour for degenerate multi-solitons in the Hirota equation.
Physica D: Nonlinear Phenomena, 397,
pp. 17-24.
doi: 10.1016/j.physd.2019.05.005
Fring, A. ORCID: 0000-0002-7896-7161, Correa, F. & Cen, J. (2019).
Integrable nonlocal Hirota equations.
Journal of Mathematical Physics, 60(8),
article number 081508.
doi: 10.1063/1.5013154
Fring, A. ORCID: 0000-0002-7896-7161 & Frith, T. (2019).
Eternal life of entropy in non-Hermitian quantum systems.
Physical Review A: Atomic, Molecular and Optical Physics, 100(1),
article number 010102.
doi: 10.1103/physreva.100.010102
Bagchi, B. & Fring, A. ORCID: 0000-0002-7896-7161 (2019).
Quantum, noncommutative and MOND corrections to the entropic law of gravitation.
International Journal of Modern Physics B, 33(05),
doi: 10.1142/s0217979219500188
Cen, J., Fring, A. ORCID: 0000-0002-7896-7161 & Frith, T. (2019).
Time-dependent Darboux (supersymmetric) transformations for non-Hermitian quantum systems.
Journal of Physics A: Mathematical and Theoretical, 52(11),
article number 115302.
doi: 10.1088/1751-8121/ab0335
Fring, A. ORCID: 0000-0002-7896-7161 & Frith, T. (2018).
Quasi-exactly solvable quantum systems with explicitly time-dependent Hamiltonians.
Physics Letters A, 383(2-3),
pp. 158-163.
doi: 10.1016/j.physleta.2018.10.043
Fring, A., Dey, S. & Hussin, V. (2018). A squeezed review on coherent states and nonclassicality for non-Hermitian systems with minimal length. Springer Proceedings in Physics,, 205, pp. 209-242. doi: 10.1007/978-3-319-76732-1
Fring, A. ORCID: 0000-0002-7896-7161 & Frith, T. (2018).
Solvable two-dimensional time-dependent non-Hermitian quantum systems with infinite dimensional Hilbert space in the broken PT-regime.
Journal of Physics A: Mathematical and General, 51(26),
article number 265301.
doi: 10.1088/1751-8121/aac57b
Fring, A. & Frith, T. (2018). Metric versus observable operator representation, higher spin models. The European Physical Journal Plus, 133(2), article number 57. doi: 10.1140/epjp/i2018-11892-4
Fring, A. & Frith, T. (2017). Mending the broken PT-regime via an explicit time-dependent Dyson map. Physics Letters A, 381(29), pp. 2318-2323. doi: 10.1016/j.physleta.2017.05.041
Cen, J., Correa, F. & Fring, A. (2017). Time-delay and reality conditions for complex solitons. Journal of Mathematical Physics, 58(3), article number 032901. doi: 10.1063/1.4978864
Dey, S., Fring, A. & Hussin, V. (2017). Nonclassicality versus entanglement in a noncommutative space. International Journal of Modern Physics B, 31(01), article number 1650248. doi: 10.1142/s0217979216502489
Cen, J., Correa, F. & Fring, A. (2017). Degenerate multi-solitons in the sine-Gordon equation. Journal of Physics A: Mathematical and Theoretical, 50(43), article number 435201. doi: 10.1088/1751-8121/aa8b7e
Fring, A. & Frith, T. (2017). Exact analytical solutions for time-dependent Hermitian Hamiltonian systems from static unobservable non-Hermitian Hamiltonians. Physical Review A, 95(1), article number 010102. doi: 10.1103/physreva.95.010102
Bagarello, F. & Fring, A. (2017). From pseudo-bosons to pseudo-Hermiticity via multiple generalized Bogoliubov transformations. International Journal of Modern Physics B, 31(12), article number 1750085. doi: 10.1142/s0217979217500850
Fring, A. & Moussa, M. (2016). Non-Hermitian Swanson model with a time-dependent metric. Physical Review A, 94(4), article number 042128. doi: 10.1103/physreva.94.042128
Cen, J. & Fring, A. (2016). Complex solitons with real energies. Journal of Physics A: Mathematical and Theoretical, 49(36), article number 365202. doi: 10.1088/1751-8113/49/36/365202
Correa, F. & Fring, A. (2016). Regularized degenerate multi-solitons. Journal of High Energy Physics, 2016(9), article number 8. doi: 10.1007/jhep09(2016)008
Fring, A. (2016). A Unifying E2-Quasi Exactly Solvable Model. Springer Proceedings in Physics, 184, pp. 235-248. doi: 10.1007/978-3-319-31356-6_15
Fring, A. & Moussa, M. (2016). Unitary quantum evolution for time-dependent quasi-Hermitian systems with nonobservable Hamiltonians. Physical review. A, General physics, 93(4), article number 042114. doi: 10.1103/physreva.93.042114
Bagarello, F. & Fring, A. (2015). Generalized Bogoliubov transformations versus D-pseudo-bosons. Journal of Mathematical Physics, 56(10), article number 103508. doi: 10.1063/1.4933242
Fring, A., Dey, S. & Gouba, L. (2015). Milne quantization for non-Hermitian systems. Journal of Physics A: Mathematical and Theoretical, 48(40), article number 40FT01. doi: 10.1088/1751-8113/48/40/40ft01
Khantoul, B. & Fring, A. (2015). Time-dependent massless Dirac fermions in graphene. Physics Letters A, 379(42), pp. 2704-2706. doi: 10.1016/j.physleta.2015.08.011
Fring, A. (2015). A new non-Hermitian E2-quasi-exactly solvable model. Physics Letters A: General, Atomic and Solid State Physics, 379(10-11), pp. 873-876. doi: 10.1016/j.physleta.2015.01.008
Fring, A. (2015). E2-quasi-exact solvability for non-Hermitian models. Journal of Physics A: Mathematical and General, 48(14), pp. 145301-145320. doi: 10.1088/1751-8113/48/14/145301
Dey, S., Fring, A. & Mathanaranjan, T. (2014). Spontaneous PT-Symmetry Breaking for Systems of Noncommutative Euclidean Lie Algebraic Type. International Journal of Theoretical Physics, 54(11), pp. 4027-4033. doi: 10.1007/s10773-014-2447-4
Fring, A. & Dey, S. (2014). Noncommutative quantum mechanics in a time-dependent background. Physical Review D - Particles, Fields, Gravitation and Cosmology, 90(8), 084005-. doi: 10.1103/physrevd.90.084005
Dey, S., Fring, A. & Mathanaranjan, T. (2014). Non-Hermitian systems of Euclidean Lie algebraic type with real energy spectra. Annals of Physics, 346, pp. 28-41. doi: 10.1016/j.aop.2014.04.002
Fring, A., Bender, C. & Komijani, J. (2014). Nonlinear eigenvalue problems. Journal of Physics A: Mathematical and Theoretical, 47(23), article number 235204. doi: 10.1088/1751-8113/47/23/235204
Bagarello, F. & Fring, A. (2013). A non self-adjoint model on a two dimensional noncommutative space with unbound metric. Physical Review A: Atomic, Molecular and Optical Physics, 88(4), 042119-. doi: 10.1103/PhysRevA.88.042119
Dey, S. & Fring, A. (2013). Bohmian quantum trajectories from coherent states. Physical Review A (PRA), 88(2), 022116-. doi: 10.1103/physreva.88.022116
Dey, S., Fring, A. & Khantoul, B. (2013). Hermitian versus non-Hermitian representations for minimal length uncertainty relations. Journal of Physics A: Mathematical and Theoretical, 46(33), doi: 10.1088/1751-8113/46/33/335304
Fring, A., Dey, S., Gouba, L. & Castro, P. G. (2013). Time-dependent q-deformed coherent states for generalized uncertainty relations. Physical Review D: Particles, Fields, Gravitation and Cosmology, 87(8), article number 084033. doi: 10.1103/physrevd.87.084033
Fring, A. (2013). PT-symmetric deformations of integrable models. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 371(1989), article number 20120046. doi: 10.1098/rsta.2012.0046
Fring, A. & Dey, S. (2013). The Two-dimensional Harmonic Oscillator on a Noncommutative Space with Minimal Uncertainties. Acta Polytechnica, 53(3), pp. 268-270.
Cavaglia, A. & Fring, A. (2012). PT-symmetrically deformed shock waves. Journal of Physics A: Mathematical and Theoretical, 45(44), article number 444010. doi: 10.1088/1751-8113/45/44/444010
Fring, A. & Smith, M. (2012). Non-Hermitian multi-particle systems from complex root spaces. Journal of Physics A: Mathematical and General, 45(8), article number 085203. doi: 10.1088/1751-8113/45/8/085203
Dey, S., Fring, A. & Gouba, L. (2012). PT-symmetric non-commutative spaces with minimal volume uncertainty relations. Journal of Physics A: Mathematical and Theoretical, 45(38), article number 385302. doi: 10.1088/1751-8113/45/38/385302
Dey, S. & Fring, A. (2012). Squeezed coherent states for noncommutative spaces with minimal length uncertainty relations. Physical Review D - Particles, Fields, Gravitation and Cosmology, 86(6), article number 064038. doi: 10.1103/physrevd.86.064038
Cavaglia, A., Fring, A. & Bagchi, B. (2011). PT-symmetry breaking in complex nonlinear wave equations and their deformations. Journal of Physics A: Mathematical and Theoretical, 44(32), article number 325201. doi: 10.1088/1751-8113/44/32/325201
Fring, A. & Smith, M. (2011). PT Invariant Complex E (8) Root Spaces. INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS, 50(4), pp. 974-981. doi: 10.1007/s10773-010-0542-8
Fring, A., Gouba, L. & Bagchi, B. (2010). Minimal areas from q-deformed oscillator algebras. Journal of Physics A: Mathematical and General, 43(42), article number 425202. doi: 10.1088/1751-8113/43/42/425202
Fring, A. & Smith, M. (2010). Antilinear deformations of Coxeter groups, an application to Calogero models. Journal of Physics A: Mathematical and Theoretical, 43(32), article number 325201. doi: 10.1088/1751-8113/43/32/325201
Fring, A., Gouba, L. & Scholtz, F. G. (2010). Strings from position-dependent noncommutativity. Journal of Physics A: Mathematical and General, 43(34), article number 345401. doi: 10.1088/1751-8113/43/34/345401
Assis, P. E. G. & Fring, A. (2010). Compactons versus solitons. Pramana, 74(6), pp. 857-865. doi: 10.1007/s12043-010-0078-8
Bagchi, B. & Fring, A. (2009). Minimal length in quantum mechanics and non-Hermitian Hamiltonian systems. Physics Letters A, 373(47), pp. 4307-4310. doi: 10.1016/j.physleta.2009.09.054
Castro-Alvaredo, O. & Fring, A. (2009). A spin chain model with non-Hermitian interaction: the Ising quantum spin chain in an imaginary field. Journal of Physics A: Mathematical and Theoretical, 42(46), article number 465211. doi: 10.1088/1751-8113/42/46/465211
Assis, P. E. G. & Fring, A. (2009). From real fields to complex Calogero particles. Journal of Physics A: Mathematical and General, 42(42), article number 425206. doi: 10.1088/1751-8113/42/42/425206
Assis, P. E. G. & Fring, A. (2009). Integrable models from PT-symmetric deformations. Journal of Physics A: Mathematical and Theoretical, 42(10), article number 105206. doi: 10.1088/1751-8113/42/10/105206
Bagchi, B. & Fring, A. (2009). Comment on "Non-Hermitian Quantum Mechanics with Minimal Length Uncertainty". Symmetry, Integrability and Geometry: Methods and Applications (SIGMA), 5(089), article number 089. doi: 10.3842/sigma.2009.089
Fring, A. (2009). Particles versus fields in PT-symmetrically deformed integrable systems. Pramana, 73(2), pp. 363-373. doi: 10.1007/s12043-009-0128-2
Bagchi, B. & Fring, A. (2008). PT-symmetric extensions of the supersymmetric Korteweg-de Vries equation. Journal of Physics A: Mathematical and General, 41(39), article number 392004. doi: 10.1088/1751-8113/41/39/392004
Assis, P. E. G. & Fring, A. (2008). Metrics and isospectral partners for the most generic cubic PT-symmetric non-Hermitian Hamiltonian. Journal of Physics A: Mathematical and General, 41(24), article number 244001. doi: 10.1088/1751-8113/41/24/244001
Assis, P. E. G. & Fring, A. (2008). The quantum brachistochrone problem for non-Hermitian Hamiltonians. Journal of Physics A: Mathematical and Theoretical, 41(24), article number 244002. doi: 10.1088/1751-8113/41/24/244002
Fring, A. & Znojil, M. (2008). PT-symmetric deformations of Calogero models. Journal of Physics A: Mathematical and General, 41(19), article number 194010. doi: 10.1088/1751-8113/41/19/194010
Assis, P. E. G. & Fring, A. (2008). Non-Hermitian Hamiltonians of Lie algebraic type. Journal of Physics A: Mathematical and Theoretical, 42(1), article number 015203. doi: 10.1088/1751-8113/42/1/015203
Fring, A. (2007). PT-symmetry and Integrability. Acta Polytechnica, 47, pp. 44-49.
Faria, C. F. D. M. & Fring, A. (2007). Non-Hermitian Hamiltonians with real eigenvalues coupled to electric fields: From the time-independent to the time-dependent quantum mechanical formulation. Laser Physics, 17(4), pp. 424-437. doi: 10.1134/s1054660x07040196
Fring, A. (2007). PT-symmetric deformations of the Korteweg-de Vries equation. Journal of Physics A: Mathematical and Theoretical, 40(15), pp. 4215-4224. doi: 10.1088/1751-8113/40/15/012
de Morrison Faria, C. F. & Fring, A. (2006). Time evolution of non-Hermitian Hamiltonian systems. Journal of Physics A: Mathematical and General, 39(29), pp. 9269-9289. doi: 10.1088/0305-4470/39/29/018
Fring, A. (2006). A note on the integrability of non-Hermitian extensions of Calogero-Moser-Sutherland models. Modern Physics Letters A (MPLA), 21(08), pp. 691-699. doi: 10.1142/s0217732306019682
Fring, A. & Korff, C. (2006). Non-crystallographic reduction of generalized Calogero-Moser models. Journal of Physics A: Mathematical and General, 39(5), pp. 1115-1131. doi: 10.1088/0305-4470/39/5/007
Fring, A. & Manojlovic, N. (2006). G(2)-Calogero-Moser Lax operators from reduction. Journal of Nonlinear Mathematical Physics, 13(4), pp. 467-478. doi: 10.2991/jnmp.2006.13.4.1
Faria, C. F. D. M. & Fring, A. (2006). Isospectral Hamiltonians from Moyal products. Czechoslovak Journal of Physics, 56(9), pp. 899-908. doi: 10.1007/s10582-006-0386-x
Fring, A. & Korff, C. (2005). Affine Toda field theories related to Coxeter groups of noncrystallographic type. Nuclear Physics B, 729(3), pp. 361-386. doi: 10.1016/j.nuclphysb.2005.08.044
Castro-Alvaredo, O. & Fring, A. (2005). Integrable models with unstable particles. Progress in Mathematics, 237, pp. 59-87. doi: 10.1007/3-7643-7341-5_2
Fring, A. (2005). Supersymmetric integrable scattering theories with unstable particles. Journal of High Energy Physics, 2005(01), article number 030. doi: 10.1088/1126-6708/2005/01/030
Fring, A. & Korff, C. (2004). Exactly solvable potentials of Calogero type for q-deformed Coxeter groups. Journal of Physics A: Mathematical and General, 37(45), pp. 10931-10949. doi: 10.1088/0305-4470/37/45/012
Castro-Alvaredo, A. & Fring, A. (2004). On vacuum energies and renomalizability in integrable quantum field theories. Nuclear Physics B, 687(3), pp. 303-322. doi: 10.1016/j.nuclphysb.2004.04.005
Castro-Alvaredo, O. & Fring, A. (2004). Applications of quantum integrable systems. International Journal of Modern Physics A (IJMPA), 19(supp02), pp. 92-116. doi: 10.1142/s0217751x04020336
Castro-Alvaredo, O. & Fring, A. (2004). Chaos in the thermodynamic Bethe ansatz. Physics Letters A, 334(2-3), pp. 173-179. doi: 10.1016/j.physleta.2004.11.009
Castro-Alvaredo, O. & Fring, A. (2004). Universal boundary reflection amplitudes. Nuclear Physics B, B682(3), 551-. doi: 10.1016/j.nuclphysb.2004.01.009
Castro-Alvaredo, O., Fring, A. & Faria, C. F. D. M. (2003). Relativistic treatment of harmonics from impurity systems in quantum wires. Physical Review B (PRB), 67(12), 125405-.. doi: 10.1103/physrevb.67.125405
Castro-Alvaredo, O. & Fring, A. (2003). Breathers in the elliptic sine-Gordon model. Journal of Physics A: Mathematical and General, 36(40), pp. 10233-10249. doi: 10.1088/0305-4470/36/40/008
Castro Alvaredo, O. & Fring, A. (2003). Conductance from Non-perturbative Methods II. JHEP Conference Proceedings, unesp(2002), article number 10.
Castro-Alvaredo, O. & Fring, A. (2003). Rational sequences for the conductance in quantum wires from affine Toda field theories. Journal of Physics A: Mathematical and General, 36(26), L425-L432. doi: 10.1088/0305-4470/36/26/101
Castro-Alvaredo, O. & Fring, A. (2002). From integrability to conductance, impurity systems. Nuclear Physics B, 649(3), pp. 449-490. doi: 10.1016/s0550-3213(02)01029-5
Fring, A. (2002). Mutually local fields from form factors. International Journal of Modern Physics B (IJMBP), 16(14n15), pp. 1915-1924. doi: 10.1142/s0217979202011639
Castro-Alvaredo, O., Dreissig, J. & Fring, A. (2002). Integrable scattering theories with unstable particles. The European Physical Journal C - Particles and Fields, 35(3), pp. 393-411. doi: 10.1140/epjc/s2004-01780-x
Castro Alvaredo, O. & Fring, A. (2002). Conductance from Non-perturbative Methods II. Journal of High Energy Physics, 2002(10),
Castro Alvaredo, O. & Fring, A. (2002). Conductance from Non-perturbative Methods I. JHEP Conference Proceedings, unesp(2002), article number 15.
Castro-Alvaredo, O. & Fring, A. (2002). Finite temperature correlation functions from form factors. Nuclear Physics B, 636(3), pp. 611-631. doi: 10.1016/s0550-3213(02)00409-1
Castro-Alvaredo, O., Fring, A. & Göhmann, F. (2002). On the absence of simultaneous reflection and transmission in integrable impurity systems. Physics Letters,
Castro-Alvaredo, O. & Fring, A. (2002). Scaling functions from q-deformed Virasoro characters. Journal of Physics A: Mathematical and General, 35(3), pp. 609-635. doi: 10.1088/0305-4470/35/3/310
Castro-Alvaredo, O. & Fring, A. (2002). Unstable particles versus resonances in impurity systems, conductance in quantum wires. Journal of Physics: Condensed Matter, 14(47), L721-L728. doi: 10.1088/0953-8984/14/47/101
Castro-Alvaredo, O. & Fring, A. (2001). Form factors from free fermionic Fock fields, the Federbush model. Nuclear Physics B, 618(3), pp. 437-464. doi: 10.1016/s0550-3213(01)00462-x
Castro-Alvaredo, O. & Fring, A. (2001). Form-factors from free fermionic Fock fields, the Federbush model. Nuclear Physics B, B618(3), 437-. doi: 10.1016/S0550-3213(01)00462-X
Castro-Alvaredo, O. & Fring, A. (2001). Constructing infinite particle spectra. Physical Review D (PRD), 64(8), 7-. doi: 10.1103/physrevd.64.085005
Castro-Alvaredo, O. & Fring, A. (2001). Decoupling the SU(N)2-homogeneous sine-Gordon model. Physical Review D (PRD), D64(8), article number 085007. doi: 10.1103/PhysRevD.64.085007
Castro-Alvaredo, O. & Fring, A. (2001). Identifying the operator content, the Homogeneous sine-Gordon models. Nuclear Physics B, B604(1-2), 367-. doi: 10.1016/S0550-3213(01)00055-4
Faria, C. F. D. M., Fring, A. & Schrader, R. (2000). Existence criteria for stabilization from the scaling behaviour of ionization probabilities. Journal of Physics B: Atomic, Molecular and Optical Physics, 33(8), pp. 1675-1685. doi: 10.1088/0953-4075/33/8/316
Castro-Alvaredo, O. & Fring, A. (2000). Decoupling the SU(N)_2-homogeneous Sine-Gordon model. Physical Review D (PRD), 64(8), article number 085007. doi: 10.1103/physrevd.64.085007
Castro-Alvaredo, O., Fring, A. & Korff, C. (2000). Form factors of the homogeneous sine-Gordon models. Physics Letters B, B484(1-2), 167-. doi: 10.1016/S0370-2693(00)00565-7
Fring, A. & Korff, C. (2000). Colour valued Scattering Matrices. Physics Letters B, 477(1-3), pp. 380-386. doi: 10.1016/s0370-2693(00)00226-4
Bytsko, A. G. & Fring, A. (2000). Factorized combinations of virasoro characters. Communications in Mathematical Physics, 209(1), pp. 179-205. doi: 10.1007/s002200050019
Fring, A. & Korff, C. (2000). Large and small Density Approximations to the thermodynamic Bethe Ansatz. Nuclear Physics B, 579(3), pp. 617-631. doi: 10.1016/s0550-3213(00)00250-9
Fring, A., Korff, C. & Schulz, B. J. (2000). On the universal representation of the scattering matrix of affine Toda field theory. Nuclear Physics B, 567(3), pp. 409-453. doi: 10.1016/s0550-3213(99)00578-7
Castro-Alvaredo, O. & Fring, A. (2000). Renormalization group flow with unstable particles. Physical Review D (PRD), D63(2), article number 021701. doi: 10.1103/PhysRevD.63.021701
Castro-Alvaredo, O., Fring, A., Korff, C. & Miramontes, J. L. (2000). Thermodynamic Bethe ansatz of the homogeneous sine-Gordon models. Nuclear Physics B, 575(3), pp. 535-560. doi: 10.1016/s0550-3213(00)00162-0
Faria, C. F. D. M., Fring, A. & Schrader, R. (1999). Stabilization not for certain and the usefulness of bounds. AIP Conference Proceedings, 525, pp. 150-161. doi: 10.1063/1.1291934
Bytsko, A. G. & Fring, A. (1999). A Note on ADE-Spectra in Conformal Field Theory. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 454(1-2), pp. 59-69. doi: 10.1016/s0370-2693(99)00300-7
Bytsko, A. G. & Fring, A. (1999). ADE spectra in conformal field theory. Physics Letters B, 454(1-2), pp. 59-69. doi: 10.1016/S0370-2693(99)00300-7
Faria, C. F. D. M., Fring, A. & Schrader, R. (1999). Analytical treatment of stabilization. Laser Physics, 9(1), pp. 379-387.
Fring, A., Korff, C. & Schulz, B. J. (1999). The ultraviolet behaviour of integrable quantum field theories, affine Toda field theory. Nuclear Physics B, 549(3), pp. 579-612. doi: 10.1016/s0550-3213(99)00216-3
Bytsko, A. G. & Fring, A. (1998). Anyonic Interpretation of Virasoro Characters and the Thermodynamic Bethe Ansatz. Nuclear Physics B, 521(3), pp. 573-591. doi: 10.1016/s0550-3213(98)00222-3
Bytsko, A. G. & Fring, A. (1998). Thermodynamic Bethe Ansatz with Haldane Statistics. Nuclear Physics B, 532(3), pp. 588-608. doi: 10.1016/s0550-3213(98)00531-8
Faria, C. F. D. M., Fring, A. & Schrader, R. (1998). On the influence of pulse shapes on ionization probability. Journal of Physics B: Atomic, Molecular and Optical Physics, 31(3), pp. 449-464. doi: 10.1088/0953-4075/31/3/013
Babujian, H., Fring, A., Karowski, M. & Zapletal, A. (1998). Exact Form Factors in Integrable Quantum Field Theories: the Sine-Gordon Model. Nuclear Physics B, 538(3), pp. 535-586. doi: 10.1016/s0550-3213(98)00737-8
Fring, A., Kostrykin, V. & Schrader, R. (1997). Ionization probabilities through ultra-intense fields in the extreme limit. Journal of Physics A: Mathematical and Theoretical, 30(24), pp. 8599-8610. doi: 10.1088/0305-4470/30/24/020
Belavin, A. & Fring, A. (1997). On the Fermionic Quasi-particle Interpretation in Minimal Models of Conformal Field Theory. Physics Letters B, 409(1-4), pp. 199-205. doi: 10.1016/s0370-2693(97)00879-4
Fring, A., Kostrykin, V. & Schrader, R. (1996). On the absence of bound-state stabilization through short ultra-intense fields. Journal of Physics B: Atomic, Molecular and Optical Physics, 29(23), pp. 5651-5671. doi: 10.1088/0953-4075/29/23/011
Fring, A. (1996). Braid Relations in Affine Toda Field Theory. International Journal of Modern Physics A (ijmpa), 11(07), pp. 1337-1352. doi: 10.1142/s0217751x96000614
Fring, A. & Köberle, R. (1995). Boundary Bound States in Affine Toda Field Theory. International Journal of Modern Physics A (ijmpa), 10(05), pp. 739-751. doi: 10.1142/s0217751x95000346
Fring, A., Johnson, P. R., Kneipp, M. A. C. & Olive, D. I. (1994). Vertex operators and soliton time delays in affine Toda field theory. Nuclear Physics B, 430(3), pp. 597-614. doi: 10.1016/0550-3213(94)90161-9
Fring, A. & Köberle, R. (1994). Affine Toda Field Theory in the Presence of Reflecting Boundaries. Nuclear Physics B, 419(3), pp. 647-662. doi: 10.1016/0550-3213(94)90349-2
Fring, A. & Köberle, R. (1994). Factorized Scattering in the Presence of Reflecting Boundaries. Nuclear Physics B, 421(1), pp. 159-172. doi: 10.1016/0550-3213(94)90229-1
Fring, A., Mussardo, G. & Simonetti, P. (1993). Form Factors for Integrable Lagrangian Field Theories, the Sinh-Gordon Model. Nuclear Physics B, 393(1-2), pp. 413-441. doi: 10.1016/0550-3213(93)90252-k
Fring, A., Mussardo, G. & Simonetti, P. (1993). Form Factors of the Elementary Field in the Bullough-Dodd Model. Physics Letters B, 307(1-2), pp. 83-90. doi: 10.1016/0370-2693(93)90196-o
Fring, A. (1992). Couplings in Affine Toda Field Theories. Unpublished,
Fring, A. & Olive, D. I. (1992). The fusing rule and the scattering matrix of affine Toda theory. Nuclear Physics B, 379(1-2), pp. 429-447. doi: 10.1016/0550-3213(92)90602-8
Fring, A., Liao, H. C. & Olive, D. I. (1991). The mass spectrum and coupling in affine Toda theories. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 266(1-2), pp. 82-86. doi: 10.1016/0370-2693(91)90747-e