Browsing by Author "Zunkovic, Bojan"
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Zunkovic, Bojan (EPL Association, 2015)We show that discrete quasiprobability distributions defined via the discrete Heisenberg-Weyl group can be obtained as discretizations of the continuous SU(N) quasiprobability distributions. This is done by identifying ...
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Ajisaka, Shigeru; Barra de la Guarda, Felipe; Zunkovic, Bojan (IOP Publishing, 2014)We study nonequilibrium quantum phase transitions in the XY spin 1/2 chain using the C* algebra. We show that the well-known quantum phase transition at a magnetic field of h = 1 also persists in the nonequilibrium setting ...