2001
DOI: 10.1063/1.1366327
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Generating all Wigner functions

Abstract: In the context of phase-space quantization, matrix elements and observables result from integration of c-number functions over phase space, with Wigner functions serving as the quasiprobability measure. The complete sets of Wigner functions necessary to expand all phase-space functions include off-diagonal Wigner functions, which may appear technically involved. Nevertheless, it is shown here that suitable generating functions of these complete sets can often be constructed, which are relatively simple, and le… Show more

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Cited by 67 publications
(88 citation statements)
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“…(An alternative connection between coherent states and the Moyal star product is deduced in [18], [19]. )…”
Section: )mentioning
confidence: 99%
“…(An alternative connection between coherent states and the Moyal star product is deduced in [18], [19]. )…”
Section: )mentioning
confidence: 99%
“…Since this commutator commutes in turn with B, one can use a simpler version of BCH which says that (see for example [46])…”
Section: Quantum Hamiltonian and Wigner-kirkwood Correctionsmentioning
confidence: 99%
“…The coefficients of these terms can be determined in closed form by exploiting some particular cases of the BCH formula (see [46] for examples of such calculations). We will now determine these coefficients.…”
Section: Quantum Hamiltonian and Wigner-kirkwood Correctionsmentioning
confidence: 99%
“…The Wigner function is a useful tool in understanding the relationship between quantum systems and their classical counterparts [1][2][3][4][5], especially for chaotic systems in which visualization in phase-space has been crucial in enabling breakthroughs [6]. The Wigner function is also very useful for studying the quantum-to-classical transition, the process in which classical dynamics emerges as an effective theory from the underlying quantum mechanics [7][8][9][10][11][12], and for which open systems play an important role [13][14][15][16][17].…”
Section: Introductionmentioning
confidence: 99%