Nonlinearity and constrained quantum motion

Nonlinearity and constrained quantum motion

The dynamical equation satisfied by the density matrix, when a quantum system is subjected to one or more constraints arising from conserved quantities, is derived. The resulting nonlinear motion of the density matrix has the property that the evolution is independent of the specific composition of...

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Veröffentlicht in:arXiv.org 2009-09
Hauptverfasser: Brody, Dorje C, Gustavsson, Anna C T, Hughston, Lane P
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Sprache:eng
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Density
Nonlinearity
Physics - Quantum Physics
Quantum theory
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creator Brody, Dorje C
Gustavsson, Anna C T
Hughston, Lane P
description The dynamical equation satisfied by the density matrix, when a quantum system is subjected to one or more constraints arising from conserved quantities, is derived. The resulting nonlinear motion of the density matrix has the property that the evolution is independent of the specific composition of the pure-state mixture generating the initial state of the system.
doi_str_mv 10.48550/arxiv.0909.5164
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subjects Density
Nonlinearity
Physics - Quantum Physics
Quantum theory
title Nonlinearity and constrained quantum motion
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