Description of Quantum Noise by a Langevin Equation

2 July 1984

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 53 (1) , 13-16
https://doi.org/10.1103/physrevlett.53.13

Abstract

We derive an equation of motion for a fully observed classical system which is coupled to a quantum companion whose degrees of freedom are only partially observed. Our purpose is to discuss the nature of the quantum noise by using a generalization of the Langevin equation.

Keywords

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