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Quantum
Information and Computation
ISSN: 1533-7146
published since 2001
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Vol.3 No.3, May 2003 |
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Entanglement transformations of pure Gaussian states
(pp211-223)
Geza
Giedke, Jens Eisert, J. Ignacio Cirac, and Martin B. Plenio
doi:
https://doi.org/10.26421/QIC3.3-3
Abstracts:
We present a theory of entanglement transformations of
Gaussian pure states with local Gaussian operations and classical
communication. This is the experimentally accessible set of operations
that can be realized with optical elements such as beam splitters, phase
shifts and squeezers, together with homodyne measurements. We provide a
simple necessary and sufficient condition for the possibility to
transform a pure bipartite Gaussian state into another one. We contrast
our criterion with what is possible if general local operations are
available.
Key words:
entanglement, Gaussian states, state transformations |
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