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Bianchini, D., Castro-Alvaredo, O., Doyon, B. , Levi, E. & Ravanini, F. (2015). Entanglement entropy of non-unitary conformal field theory. Journal of Physics A: Mathematical and Theoretical, 48(4), 04FT01. doi: 10.1088/1751-8113/48/4/04FT01
Levi, E., Castro-Alvaredo, O. & Doyon, B. (2013). Universal corrections to the entanglement entropy in gapped quantum spin chains: a numerical study. Physical Review B: Condensed Matter and Materials Physics, 88(9), doi: 10.1103/PhysRevB.88.094439
Castro-Alvaredo, O. & Levi, E. (2011). Higher particle form factors of branch point twist fields in integrable quantum field theories. Journal of Physics A: Mathematical and General, 44(25), doi: 10.1088/1751-8113/44/25/255401
Castro-Alvaredo, O., Doyon, B. & Levi, E. (2011). Arguments towards a c-theorem from branch-point twist fields. Journal of Physics A: Mathematical and General, 44(49), doi: 10.1088/1751-8113/44/49/492003