New Journal of Physics

New Journal of Physics

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Deutsche Physikalische Gessellschaft IOP Institute of Physics
New Journal of Physics Volume 8 June 2006 Create an alert RSS this journal

G De Chiara et al 2006 New J. Phys. 8 95 doi:10.1088/1367-2630/8/6/095

A scheme for entanglement extraction from a solid

G De Chiara1,4, Č Brukner2, R Fazio1, G M Palma1 and V Vedral2,3

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Abstract References Cited By

Some thermodynamical properties of solids, such as heat capacity and magnetic susceptibility, have recently been shown to be linked to the amount of entanglement in a solid. However, this entanglement may appear a mere mathematical artefact of the typical symmetrization procedure of many-body wavefunction in solid state physics. Here we show that this entanglement is physical, demonstrating the principles of its extraction from a typical solid-state system by scattering two particles off the system. Moreover, we show how to simulate this process using present day optical lattice technology. This demonstrates not only that entanglement exists in solids but also that it can be used for quantum information processing or as a test of Bell's inequalities.


PACS

03.67.Mn Entanglement measures, witnesses, and other characterizations

03.65.Ud Entanglement and quantum nonlocality (e.g. EPR paradox, Bell's inequalities, GHZ states, etc.)

Subjects

Computational physics

Quantum information and quantum mechanics

Dates

Issue 6 (June 2006)

Received 1 March 2006

Published 12 June 2006



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