In quantum information science, the concurrence is a state invariant involving qubits.

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2008

2008

Let H(d) be the space of complex hermitian matrices of size dÃ—d and let H+(d) âŠ‚ H(d) be the cone of positive semidefiniteâ€¦Â (More)

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2008

2008

The two-qubit canonical decomposition SU(4) = [SU(2)âŠ— SU(2)]âˆ†[SU(2)âŠ— SU(2)] writes any two-qubit quantum computation as aâ€¦Â (More)

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Review

2006

Review

2006

- Julien Vidal
- 2006

We review the entanglement properties in collective models and their relationship with quantum phase transitions. Focusing on theâ€¦Â (More)

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2005

2005

- Gilad Gour
- 2005

We consider the maximum bipartite entanglement that can be distilled from a single copy of a multipartite mixed entangled stateâ€¦Â (More)

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2004

2004

We study the ordering of two-qubit states with respect to the degree of bipartite entanglement using the Wootters concurrenceâ€”aâ€¦Â (More)

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Highly Cited

2004

Highly Cited

2004

- Raven E. Saks, Leah Platt Boustan, +4 authors Abigail Waggoner
- 2004

Differences in the supply of housing generate substantial variation in housing prices across the United States. Because housingâ€¦Â (More)

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2003

2003

Entanglement plays central role in quantum information theory [1]. Pure state entanglement of bipartite systems is wellâ€¦Â (More)

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Highly Cited

2003

Highly Cited

2003

- Chad Syverson, G. Becker, +5 authors Plutarchos Sakellaris
- 2003

Tremendous differences in producer productivity levels exist, even within narrowly defined industries. This paper explores theâ€¦Â (More)

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2001

2001

- Pranaw Rungta, VladimÃr R. Buzek, Carlton M. Caves, G. J. Milburn
- 2001

Wootters [Phys. Rev. Lett. 80, 2245 (1998)] has given an explicit formula for the entanglement of formation of two qubits inâ€¦Â (More)

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Review

2001

Review

2001

- William K. Wootters
- Quantum Information & Computation
- 2001

In both classical mechanics and quantum mechanics, one can de ne a pure state to be a state that is as completely speci ed as theâ€¦Â (More)

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