Spin-spin correlators in Majorana representation

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dc.creatorShnirman, Alexander
dc.creatorMakhlin, Yuriy
dc.date2003-05-04
dc.date.accessioned2026-07-07T02:51:10Z
dc.date.available2026-07-07T02:51:10Z
dc.descriptionIn the Majorana representation of a spin 1/2 we find an identity which relates spin-spin correlators to one-particle fermionic correlators. This should be contrasted with the straightforward approach in which two-particle (four-fermion) correlators need to be calculated. We discuss applications to the analysis of the dynamics of a spin coupled to a dissipative environment and of a quantum detector performing a continuous measurement of a qubit's state.
dc.identifierhttps://arxiv.org/abs/cond-mat/0305064
dc.identifierhttp://arxiv.org/abs/cond-mat/0305064
dc.identifierPhys. Rev. Lett. 91, 207204 (2003)
dc.identifierdoi:10.1103/PhysRevLett.91.207204
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/21353
dc.subjectMesoscale and Nanoscale Physics
dc.subjectStrongly Correlated Electrons
dc.titleSpin-spin correlators in Majorana representation
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