92 citations · 501 across the 27 of their papers we have counts for
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math-ph2011★ 15 cited
On detection of quasiclassical states
Michał Oszmaniec, Marek Kuś
We give a criterion of classicality for mixed states in terms of expectation values of a quantum observable. Using group representation theory we identify all cases when the criter…
math-ph2011★ 18 cited
Geometry of the local equivalence of states
Adam Sawicki, Marek Kuś
We present a description of locally equivalent states in terms of symplectic geometry. Using the moment map between local orbits in the space of states and coadjoint orbits of the…