Quantum canonical invariance-a Moyal approach
Gerald V. Dunne
Abstract
Open-access reader
Gerald V. Dunne
Abstract
Open-access reader
The quasiclassical generalised Moyal quantisation procedure is applied to the problem of quantum canonical invariance. Simple new formulae for the Moyal bracket corresponding to various correspondence rules are given, and are used to calculate the 'additional potential terms' arising from a point canonical transformation made on a free Hamiltonian. The status of canonical transformations in other equivalent quantum phase space formulations is also reviewed.
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The quasiclassical generalised Moyal quantisation procedure is applied to the problem of quantum canonical invariance. Simple new formulae for the Moyal bracket corresponding to various correspondence rules are given, and are used to calculate the 'additional potential terms' arising from a point canonical transformation made on a free Hamiltonian. The status of canonical transformations in other equivalent quantum phase space formulations is also reviewed.
Key concepts: Canonical transformation, Canonical quantization, Method of quantum characteristics, Hamiltonian (control theory), Canonical coordinates, Phase space, Mathematics, Quantum