Second Quantization of Cini Model for High Order Quantum Decoherence in Quantum Measurement

Details Second Quantization of Cini Model for High Order Quantum Decoherence in Quantum Measurement Second Quantization of Cini Model for High Order Quantum Decoherence in Quantum Measurement

2001-06-02

arxiv.org/abs/quant-ph/0106008v1

Physics

Quantum Physics

12 pages, revtex, 2 figures

Scientific paper

By making the second quantization for the Cini Model of quantum measurement without wave function collapse [M. Cini, Nuovo Cimento, B73 27(1983)], the second order quantum decoherence (SOQD) is studied with a two mode boson system interacting with an idealized apparatus composed by two quantum oscillators. In the classical limit that the apparatus is prepared in a Fock state with a very large quantum number, or in a coherent state with average quantum numbers large enough, the SOQD phenomenon appears similar to the first order case of quantum decoherence.

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