Physics – Quantum Physics
Scientific paper
2011-11-24
in "Mathematical Horizons for Quantum Physics'', H. Araki, B.-G. Englert, L.-C. Kwek, J. Suzuki (Eds.); IMS-NUS Lecture Notes
Physics
Quantum Physics
Scientific paper
We describe quantum and classical Hamiltonian dynamics in a common Hilbert space framework, that allows the treatment of mixed quantum-classical systems. The analysis of some examples illustrates the possibility of entanglement between classical and quantum systems. We give a summary of the main tools of Berezin-Toeplitz and geometric quantization, that provide a relation between the classical and the quantum models, based essentially on the selection of a subspace of the classical Hilbert space. Coherent states provide a systematic tool for the inverse process, called dequantization, that associates a classical Hamiltonian system to a given quantum dynamics through the choice of a complete set of coherent states.
Jauslin Hans-Rudolf
Sugny Dominique
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