Construct · 1 fields · 1 citations

Hudson's theorem: a standalone construct

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Quantum foundations

the result that a pure quantum state has a nonnegative Wigner function only if it is a Gaussian state.

In quantum foundations, Hudson's theorem refers to the result that a pure quantum state has a nonnegative Wigner function only if it is a Gaussian state. This meaning comes from Hudson (1974) in Reports on Mathematical Physics.[1]

Unit
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Nearby constructs

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References

Hudson, R. L. (1974). When is the wigner quasi-probability density non-negative? Reports on Mathematical Physics, 6(2), 249-252. https://doi.org/10.1016/0034-4877(74)90007-x

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