Bipartite Entanglement Entropy in Massive Two-Dimensional Quantum Field Theory
Journal Article
·
· Physical Review Letters
- Department of Mathematical Sciences, Durham University, DH1 3LE (United Kingdom)
Recently, Cardy, Castro Alvaredo, and the author obtained the first exponential correction to saturation of the bipartite entanglement entropy at large region lengths in massive two-dimensional integrable quantum field theory. It depends only on the particle content of the model, and not on the way particles scatter. Based on general analyticity arguments for form factors, we propose that this result is universal, and holds for any massive two-dimensional model (also out of integrability). We suggest a link of this result with counting pair creations far in the past.
- OSTI ID:
- 21180132
- Journal Information:
- Physical Review Letters, Vol. 102, Issue 3; Other Information: DOI: 10.1103/PhysRevLett.102.031602; (c) 2009 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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