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Algebras of distributions suitable for phase‐space quantum mechanics. II. Topologies on the Moyal algebra

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Authors

Várilly Boyle, Joseph C.
Gracia Bondía, José M.

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Abstract

The topology of the Moyal *-algebra may be defined in three ways: the algebra may be regarded as an operator algebra over the space of smooth declining functions either on the configuration space or on the phase space itself; or one may construct the *-algebra via a filtration of Hilbert spaces (or other Banach spaces) of distributions. We prove the equivalence of the three topologies thereby obtained. As a consequence, by filtrating the space of tempered distributions by Banach subspaces, we give new sufficient conditions for a phase-space function to correspond to a trace-class operator via the Weyl correspondence rule.

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Quantum mechanics in phase space, Tempered distributions, Locally convex spaces

Citation

https://aip.scitation.org/doi/10.1063/1.527984

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