Reservoir dynamics induced by coupling to a quantum system

AbuMoise, Abed Alsalam (2019) Reservoir dynamics induced by coupling to a quantum system. Masters thesis, Memorial University of Newfoundland.

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Abstract

We consider the dynamics of fixed size subsystems of an open quantum system, in which N particles interact via a common quantum noise (reservoir). We show that correlations among the particles and between the particles and the reservoir, which are brought about through the interaction for finite N, vanish completely in the high complexity limit N → ∞. We investigate the effect of the particle system on the reservoir, which itself is a large quantum system. For each fixed time, we find the explicit construction of a Hilbert space representation of the asymptotic (N → ∞) reservoir state and analyze the relation between those representations at different times.

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