Nonlocality II: Nonlocality as the dynamical origin of the non-markovian process in quantum isolated system

Details Nonlocality II: Nonlocality as the dynamical origin of the non-markovian process in quantum isolated system Nonlocality II: Nonlocality as the dynamical origin of the non-markovian process in quantum isolated system

2005-12-21

arxiv.org/abs/quant-ph/0512182v1

Physics

Quantum Physics

5 pages, no figures; The version may be updated in resent days

Scientific paper

In the previous paper, it has been proved that elastic scattering processes of two quantum particles are always accompanied with nonlocal processes. Furthermore, it is found that setting an additional Hamiltonian after the originally scattering one can help to describe the two type of processes in a united frame. Here we discuss the contribution of this additional Hamiltonian to irreversible process in isolated quantum systems. The use of the Hamiltonian can induce the non-Markovian Langevin equation, showing a complex memory effect, and thus revealing the irreversible essence of isolated system without appealing to reservoir or approximate methods (e.g. coarse grain) as usually done.

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