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Entanglement Theory Quantum Correlations
Entanglement witnesses and geometry of entanglement of two--qutrit states
arXiv
Authors: Reinhold A. Bertlmann, Philipp Krammer
Year
2009
Paper ID
9110
Status
Preprint
Abstract Read
~2 min
Abstract Words
85
Citations
N/A
Abstract
We construct entanglement witnesses with regard to the geometric structure of the Hilbert--Schmidt space and investigate the geometry of entanglement. In particular, for a two--parameter family of two--qutrit states that are part of the magic simplex we calculate the Hilbert--Schmidt measure of entanglement. We present a method to detect bound entanglement which is illustrated for a three--parameter family of states. In this way we discover new regions of bound entangled states. Furthermore we outline how to use our method to distinguish entangled from separable states.
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- This paper contributes to the Entanglement Theory & Quantum Correlations research area in the Quantum Articles archive.
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- We construct entanglement witnesses with regard to the geometric structure of the Hilbert--Schmidt space and investigate the geometry of entanglement.
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