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EnglishWe enumerate the cases in 2d conformal field theory where the logarithm of the reduced density matrix (the entanglement or modular hamiltonian) may be written as an integral over the energy-momentum tensor times a local weight. These include known examples and new ones corresponding to the time-dependent scenarios of a global and local quench. In these latter cases the entanglement hamiltonian depends on the momentum density as well as the energy density. In all cases the entanglement spectrum is that of the appropriate boundary CFT. We emphasize the role of boundary conditions at the entangling surface and the appearance of boundary entropies as universal O(1) terms in the entanglement entropy. ArXIV
Entanglement Hamiltonians in two-dimensional conformal field theory / Cardy, J.; Tonni, Erik. - In: JOURNAL OF STATISTICAL MECHANICS: THEORY AND EXPERIMENT. - ISSN 1742-5468. - 2016:12(2016), pp. 1-29.
| Titolo: | Entanglement Hamiltonians in two-dimensional conformal field theory |
| Autori: | Cardy, J.; Tonni, Erik |
| Rivista: | |
| Data di pubblicazione: | 2016 |
| Volume: | 2016 |
| Fascicolo: | 12 |
| Pagina iniziale: | 1 |
| Pagina finale: | 29 |
| Numero di Articolo: | 123103 |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1088/1742-5468/2016/12/123103 |
| URL: | https://arxiv.org/abs/1608.01283 http://cdsads.u-strasbg.fr/abs/2016JSMTE..12.3103C |
| Appare nelle tipologie: | 1.1 Journal article |
File in questo prodotto:
| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| 1608.01283v1.pdf | Preprint does not differ much from the accepted version | Documento in Pre-print | Non specificato | Open Access Visualizza/Apri |
http://hdl.handle.net/20.500.11767/48120
