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Title: Thermodynamics of entropy-driven phase transformations
Authors: Radosz, A.
Ostasiewicz, K.
Magnuszewski, P.
Damczyk, J.
Radosiński, L.
Kusmartsev, F.V.
Samson, J.H.
Issue Date: 2006
Publisher: © American Physical Society
Citation: RADOSZ, R et al, 2006. Thermodynamics of entropy-driven phase transformations. Physical Review E, 026127
Abstract: Thermodynamic properties of one-dimensional lattice models exhibiting entropy-driven phase transformations are discussed in quantum and classical regimes. Motivated by the multistability of compounds exhibiting photoinduced phase transitions, we consider systems with asymmetric, double, and triple well on-site potential. One finds that among a variety of regimes, quantum versus classical, discrete versus continuum, a key feature is asymmetry distinguished as a "shift" type and "shape" type in limiting cases. The behavior of the specific heat indicates one phase transformation in a "shift" type and a sequence of two phase transformations in "shape"-type systems. Future analysis in higher dimensions should allow us to identify which of these entropy-driven phase transformations would evolve into phase transitions of the first order.
Description: This article has been published in the journal, Physical Review E [© American Physical Society]. It is also available at: http://link.aps.org/abstract/PRE/v73/e026127.
URI: https://dspace.lboro.ac.uk/2134/1300
Appears in Collections:Published Articles (Physics)

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