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Entropy 2013, 15(5), 1516-1527; doi:10.3390/e15051516
Article

Phase-Space Position-Momentum Correlation and Potentials

 and *
Received: 14 March 2013; in revised form: 13 April 2013 / Accepted: 16 April 2013 / Published: 25 April 2013
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Abstract: Solutions to the radial Schr¨odinger equation of a particle in a quantum corral are used to probe how the statistical correlation between the position, and The momentum of the particle depends on the effective potential. The analysis is done via the Wigner function and its Shannon entropy. We show by comparison to the particle-in-a-box model that the attractive potential increases the magnitude of the correlation, while a repulsive potential decreases the magnitude of this correlation. Varying the magnitude of the repulsive potential yields that the correlation decreases with a stronger repulsive potential.
Keywords: Wigner function; position-momentum correlation; localization phase-space distribution Wigner function; position-momentum correlation; localization phase-space distribution
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Laguna, H.G.; Sagar, R.P. Phase-Space Position-Momentum Correlation and Potentials. Entropy 2013, 15, 1516-1527.

AMA Style

Laguna HG, Sagar RP. Phase-Space Position-Momentum Correlation and Potentials. Entropy. 2013; 15(5):1516-1527.

Chicago/Turabian Style

Laguna, Humberto G.; Sagar, Robin P. 2013. "Phase-Space Position-Momentum Correlation and Potentials." Entropy 15, no. 5: 1516-1527.


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