Hydrodynamical quantum state reconstruction

Details Hydrodynamical quantum state reconstruction Hydrodynamical quantum state reconstruction

1998-05-15

arxiv.org/abs/quant-ph/9805046v1

Phys.Rev.Lett.80:5461-5464,1998

Physics

Quantum Physics

4 pages, 3 figures, to appear in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.80.5461

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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