High order quantum decoherence via multi-particle amplitude for boson system

Details High order quantum decoherence via multi-particle amplitude for boson system High order quantum decoherence via multi-particle amplitude for boson system

2001-05-24

arxiv.org/abs/quant-ph/0105122v1

Physics

Quantum Physics

7 pages, revtex, 4 eps figures

Scientific paper

In this paper we depict the high order quantum coherence of a boson system by using the multi-particle wave amplitude, whose norm square is just the high order correlation function. This multi-time amplitude can be shown to be a superposition of several "multi-particle paths". When the environment or a apparatus entangles with them to form a generalized "which-way" measurement for many particle system, the quantum decoherence happens in the high order case dynamically. An explicit illustration is also given with an intracavity system of two modes interacting with a moving mirror.

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