Thursday, July 11, 2013

1307.2699 (Wolfgang Lechner et al.)

From Classical to Quantum Glasses with Ultracold Polar Molecules    [PDF]

Wolfgang Lechner, Peter Zoller
The dynamics of a bilayer system of ultracold dipolar molecules exhibits classical and quantum glassy behavior, characterized by long tails in the relaxation time and dynamical heterogeneity. In the proposed setup, quantum fluctuations are of the order of thermal fluctuations and the degree of frustration can tuned by the interlayer distance. We present experimental accessible order parameters based on marker molecules, distinguished by properly chosen internal levels, and find quantum features of dynamical heterogeneity.
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