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...
Prif Awduron: | Fagotti, M, Calabrese, P |
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Fformat: | Journal article |
Iaith: | English |
Cyhoeddwyd: |
2008
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