Evolution of entanglement entropy following a quantum quench: Analytic results for the XY chain in a transverse magnetic field

The non-equilibrium evolution of the block entanglement entropy is investigated in the XY chain in a transverse magnetic field after the Hamiltonian parameters are suddenly changed from and to arbitrary values. Using Toeplitz matrix representation and multidimensional phase methods, we provide analy...

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Detalles Bibliográficos
Autores principales: Fagotti, M, Calabrese, P
Formato: Journal article
Lenguaje:English
Publicado: 2008