Hydrodynamical quantum state reconstruction
classification
🪐 quant-ph
keywords
distributionhydrodynamicalmeasuringarbitrarydensitydiscretematrixmoments
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The density matrix of a nonrelativistic wave-packet in an arbitrary, one-dimensional and time-dependent potential can be reconstructed by measuring hydrodynamical moments of the Wigner distribution. An n-th order Taylor polynomial in the off-diagonal variable is obtained by measuring the probability distribution at n+1 discrete time values.
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