978 citations
- Universidade de São PauloBR33 papers
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Showing 2003 · quant-phShow all
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quant-ph2003
Thermal entanglement in the two-qubit Heisenberg XYZ model
G. Rigolin
We study the entanglement of a two-qubit one dimensional XYZ Heisenberg chain in thermal equilibrium at temperature T. We obtain an analytical expression for the entanglement of fo…
quant-ph2003★ 17 cited
Quantum tomography for Dirac spinors
Ricardo A. Mosna, Jayme Vaz
We present a tomographic scheme, based on spacetime symmetries, for the reconstruction of the internal degrees of freedom of a Dirac spinor. We discuss the circumstances under whic…