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Optimal Spin Squeezing Inequalities Detect Bound Entanglement in Spin Models

Year: 2007
Type: article
Abstract: We determine the complete set of generalized spin squeezing inequalities. These are entanglement criteria that can be used for the experimental detection of entanglement in a system of spin-1/2 particles in which the spins cannot be individually addressed. They can also be used to show the presence of bound entanglement in the thermal states of several spin models.
DOI: 10.1103/physrevlett.99.250405
Institutions: Institute of Photonic Sciences, Institute for Solid State Physics and Optics, Hungarian Academy of Sciences, Universität Innsbruck, Austrian Academy of Sciences, Institute for Quantum Optics and Quantum Information Innsbruck
Language: English
Open Access status: hybrid
Estimated APC paid: $3,750
OpenAlex ID: W2043915619
FWCI: 18.48
Cites: 33
Cited by: 227
Related to: 10