308 citations
- Cornell UniversityUS3 papers
- Universidade Federal Rural de PernambucoBR3 papers
- Instituto Nacional de Matemática Pura e AplicadaBR2 papers
- KU LeuvenBE2 papers
- Universidade de São PauloBR2 papers
- Universidade Federal de AlagoasBR2 papers
- Universidade Federal de SergipeBR2 papers
- Binghamton UniversityUS1 paper
- Centre National de la Recherche ScientifiqueFR1 paper
- Helsinki Institute of PhysicsFI1 paper
- Institute for Physics of MicrostructuresRU1 paper
- Laboratoire de Mathématiques Jean LerayFR1 paper
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quant-ph2009★ 17 cited
Thermal entanglement witness for materials with variable local spin lengths
Andre M. C. Souza, Francisco A. G. Almeida
We show that the thermal entanglement in a spin system using only magnetic susceptibility measurements is restricted to the insulator materials. We develop a generalization of the…
quant-ph2009★ 113 cited
Collapses and revivals of stored orbital angular momentum of light in a cold atomic ensemble
D. Moretti, D. Felinto, J. W. R. Tabosa
We report on the storage of orbital angular momentum of light in a cold ensemble of cesium atoms. We employ Bragg diffraction to retrieve the stored optical information impressed i…
quant-ph2008★ 4 cited
A conjugate for the Bargmann representation
A. D. Ribeiro, F. Parisio, M. A. M. de Aguiar
In the Bargmann representation of quantum mechanics, physical states are mapped into entire functions of a complex variable z*, whereas the creation and annihilation operators $\ha…