Localization of Macroscopic Object Induced by the Factorization of Internal Adiabatic Motion

Details Localization of Macroscopic Object Induced by the Factorization of Internal Adiabatic Motion Localization of Macroscopic Object Induced by the Factorization of Internal Adiabatic Motion

2000-10-29

arxiv.org/abs/quant-ph/0010102v1

ITP-CAS/Quantum/2000.10-1,ESI

Physics

Quantum Physics

Revtex4,23 pages,1figure

Scientific paper

10.1007/s100530170041

To account for the phenomenon of quantum decoherence of a macroscopic object, such as the localization and disappearance of interference, we invoke the adiabatic quantum entanglement between its collective states(such as that of the center-of-mass (C.M)) and its inner states based on our recent investigation. Under the adiabatic limit that motion of C.M dose not excite the transition of inner states, it is shown that the wave function of the macroscopic object can be written as an entangled state with correlation between adiabatic inner states and quasi-classical motion configurations of the C.M. Since the adiabatic inner states are factorized with respect to each parts composing the macroscopic object, this adiabatic separation can induce the quantum decoherence. This observation thus provides us with a possible solution to the Schroedinger cat paradox

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