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Quasi-probability representations of quantum theory with applications to quantum information science
Quasi-probability representations quantum theory applications quantum information science
2010/11/5
This article comprises a review of both the quasi-probability representations of infinite-dimensional quantum theory (including the Wigner function) and the more recently defined quasi-probability rep...
Separability and Fourier representations of density matrices
Separability Fourier representations density matrices
2010/10/13
Using the finite Fourier transform, we introduce a generalization of Pauli-spin matrices for ddimensional spaces, and the resulting set of unitary matrices S (d) is a basis for d × d matrices. If N = ...