Equivalence between two-mode spin squeezed states and pure entangled states with equal spin
Dominic W. Berry, Barry C. Sanders
Abstract
We prove that a pure entangled state of two subsystems with equal spin is equivalent to a two-mode spin-squeezed state under local operations except for a set of bipartite states with measure zero, and we provide a counterexample to the generalization of this result to two subsystems of unequal spin.
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