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

Dominic W. Berry; Barry C. Sanders

doi:10.1088/0305-4470/38/14/L01

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

Dominic W. Berry^*, Barry C. Sanders

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

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 provide a counterexample to the generalization of this result to two subsystems of unequal spin.

Original language	English
Pages (from-to)	L205-L211
Number of pages	7
Journal	Journal of Physics A: Mathematical and General
Volume	38
Issue number	14
DOIs	https://doi.org/10.1088/0305-4470/38/14/L01
Publication status	Published - 8 Apr 2005

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10.1088/0305-4470/38/14/L01

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title = "Equivalence between two-mode spin squeezed states and pure entangled states with equal spin",

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 provide a counterexample to the generalization of this result to two subsystems of unequal spin.",

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AU - Sanders, Barry C.

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AB - 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 provide a counterexample to the generalization of this result to two subsystems of unequal spin.

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DO - 10.1088/0305-4470/38/14/L01

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JO - Journal of Physics A: Mathematical and General

JF - Journal of Physics A: Mathematical and General

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