Nuclear polarization and entanglement in spin systems

Authors:
G. B. Furman;V. M. Meerovich;V. L. Sokolovsky
Affiliations:
Department of Physics, Ben-Gurion University of the Negev, Beer-Sheva, Israel 84105 and Ohalo College, Qazrin, Israel 12900;Department of Physics, Ben-Gurion University of the Negev, Beer-Sheva, Israel 84105;Department of Physics, Ben-Gurion University of the Negev, Beer-Sheva, Israel 84105
Venue:
Quantum Information Processing
Year:
2009

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Abstract

We investigated relationships between entanglement measures and the order parameter (nuclear polarization) in nuclear spin systems controlled by the nuclear magnetic resonance (NMR) technique. Since spin polarization can be easily manipulated by the NMR technique, experimentalists are presented with an opportunity to study the dynamic properties of entanglement, i.e., the creation and evolution of entangled states. Our approach may constitute the basis for researching the relations between the entanglement measures and measurable parameters of order in other quantum systems.