## Nonequilibrium quantum phase transitions in the XY model: comparison of unitary time evolution and reduced density matrix approaches

- S Ajisaka, F Barra, B Žunkovič
- New J. Phys
- 2014

- Published 2015

Within the rigorous axiomatic framework for the description of quantum mechanical systems with a large number of degrees of freedom, we show that the nonequilibrium steady state, constructed in the quasifree fermionic system corresponding to the isotropic XY chain in which a finite sample, coupled to two thermal reservoirs at different temperatures, is… CONTINUE READING

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