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• Autor
• Eisler, Viktor
• Peschel, Ingo
• TitelAnalytical results for the entanglement Hamiltonian of a free-fermion chain
• Datei
• Persistent Identifier
• Erschienen inJournal of physics / A
• Band50
• Erscheinungsjahr2017
• LicenceCC-BY
• Zugriffsrechte
• AbstractWe study the ground-state entanglement Hamiltonian for an interval of $$N$$ sites in a free-fermion chain with arbitrary filling. By relating it to a commuting operator, we find explicit expressions for its matrix elements in the large-$$N$$ limit. The results agree with numerical calculations and show that deviations from the conformal prediction persist even for large systems.