Equivalence between two-mode spin squeezed states and pure entangled states with equal spin

Details Equivalence between two-mode spin squeezed states and pure entangled states with equal spin Equivalence between two-mode spin squeezed states and pure entangled states with equal spin

2005-01-13

arxiv.org/abs/quant-ph/0501065v1

J. Phys. A: Math. Gen. 38, L205 (2005).

Physics

Quantum Physics

6 pages, no figures

Scientific paper

10.1088/0305-4470/38/14/L01

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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