Localized states ("qubits"), entanglement and decoherence from Wigner zoo

Details Localized states ("qubits"), entanglement and decoherence from Wigner zoo Localized states ("qubits"), entanglement and decoherence from Wigner zoo

2004-05-10

arxiv.org/abs/quant-ph/0405044v1

J. of Modern Optics, Volume 51, Numbers 6-7, 1105, 2004

Physics

Quantum Physics

4 pages, 3 figures, Presented at the Fifth Workshop on Mysteries, Puzzles and Paradoxes in Quantum Mechanics, Gargnano, Garda

Scientific paper

We present the application of the variational-wavelet approach to the construction and analysis of solutions of Wigner/von Neumann/Moyal and related equations corresponding to the nonlinear (polynomial) dynamical problems. (Naive) deformation quantization, the multiresolution representation (exact multiscale decompostion) and the variational approach are the key points. We construct the solutions via the high-localized nonlinear eigenmodes in the base of the compactly supported wavelets and the wavelet packets. We demonstrate the appearance of (stable) localized patterns (waveletons) and consider entanglement and decoherence as possible applications.

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