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Temperature Effects, Frieden–Hawkins’ Order-Measure, and Wehrl Entropy

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La Plata Physics Institute, National University and CCT-CONICET, C. C. 727, La Plata 1900, Argentina
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Physics Department, North Catholic University, Av. Angamos 0610, Antofagasta 1240000, Chile
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Physics Department and IFISC-CSIC, University of Balearic Islands, Palma de Mallorca 07122, Spain
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Exact and Natural Sciences Faculty, La Pampa National University, Uruguay 151, Santa Rosa 6300, La Pampa, Argentina
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Author to whom correspondence should be addressed.
Entropy 2012, 14(11), 2081-2099; https://doi.org/10.3390/e14112081
Received: 3 September 2012 / Revised: 20 October 2012 / Accepted: 22 October 2012 / Published: 26 October 2012
We revisit the Frieden–Hawkins’ Fisher order measure with a consideration of temperature effects. To this end, we appeal to the semiclassical approach. The order-measure’s appropriateness is validated in the semiclassical realm with regard to two physical systems. Insight is thereby gained with respect to the relationships amongst semiclassical quantifiers. In particular, it is seen that Wehrl’s entropy is as good a disorder indicator as the Frieden–Hawkins’ one. View Full-Text
Keywords: order; semiclassical methods; quantum statistical mechanics; Husimi distributions order; semiclassical methods; quantum statistical mechanics; Husimi distributions
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Pennini, F.; Plastino, A.; Ferri, G.L. Temperature Effects, Frieden–Hawkins’ Order-Measure, and Wehrl Entropy. Entropy 2012, 14, 2081-2099.

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