Characterization of correlations in two-fermion systems based on measurement induced disturbances

We introduce an approach for the characterization of quantum correlations in two-fermion systems based upon the state disturbances generated by the measurement of “local” observables (that is, quantum observables represented by one-body operators). This approach leads to a concept of quantum correla...

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Bibliographic Details
Published in:The European physical journal. D, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2013-04, Vol.67 (4), Article 79
Main Authors: Majtey, Ana P., Zander, C., Plastino, Angel R.
Format: Article
Language:English
Subjects:
Applications of Nonlinear Dynamics and Chaos Theory
Atomic
Classical and quantum physics: mechanics and fields
Exact sciences and technology
Fermion systems and electron gas
Foundations, theory of measurement, miscellaneous theories (including aharonov-bohm effect, bell inequalities, berry's phase)
Molecular
Optical and Plasma Physics
Physical Chemistry
Physics
Physics and Astronomy
Quantum information
Quantum Information Technology
Quantum mechanics
Quantum Physics
Quantum statistical mechanics
Regular Article
Spectroscopy/Spectrometry
Spintronics
Statistical physics, thermodynamics, and nonlinear dynamical systems
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Summary:We introduce an approach for the characterization of quantum correlations in two-fermion systems based upon the state disturbances generated by the measurement of “local” observables (that is, quantum observables represented by one-body operators). This approach leads to a concept of quantum correlations in systems of identical fermions different from entanglement.
ISSN:1434-6060
1434-6079
DOI:10.1140/epjd/e2013-30594-7