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Immunity of information encoded in decoherence-free subspaces to particle loss
information decoherence-free subspaces particle loss
2011/8/17
Abstract: We demonstrate that for an ensemble of qudits, subjected to collective decoherence in the form of perfectly correlated random SU(d) unitaries, quantum superpositions stored in the decoherenc...
Disentanglement and Decoherence without dissipation at non-zero temperatures
Disentanglement Decoherence without dissipation non-zero temperatures
2010/10/20
Decoherence is well understood, in contrast to disentanglement. According to common lore, irre-
versible coupling to a dissipative environment is the mechanism for loss of entanglement. Here, we show...