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cond-mat.stat-mech2021★ 8 cited
Two state model for critical points and the negative slope of the melting-curve
Graeme J. Ackland, Hongxiang Zong, Victor Naden Robinson Sandro Scandolo +1
We present a thermodynamic model which explains the presence of a negative slope in the melt curve, as observed in systems as diverse as the alkali metals and molecular hydrogen at…
cond-mat.stat-mech2005★ 14 cited
Theoretical evidence for a reentrant phase diagram in {\em ortho-para} mixtures of solid H
Balazs Hetenyi, Sandro Scandolo, Erio Tosatti
We develop a multi order parameter mean-field formalism for systems of coupled quantum rotors. The scheme is developed to account for systems where {\it ortho-para} distinction is…