Volume 100, Number 6, December 2012
|Number of page(s)||5|
|Section||Condensed Matter: Structural, Mechanical and Thermal Properties|
|Published online||04 January 2013|
fcc-bcc-fluid triple point for model pair interactions with variable softness
Max-Planck-Institut für extraterrestrische Physik - D-85741 Garching, Germany, EU
(a) Also at Joint Institute for High Temperatures - 125412 Moscow, Russia; email@example.com
Received: 1 October 2012
Accepted: 26 November 2012
It is demonstrated that the coordinates of the fcc-bcc-fluid triple point of various model systems are located in a relatively narrow region, when expressed in terms of the two proper variables, characterizing the softness and strength of the interaction force at the mean interparticle separation. This can be regarded as a consequence of the “corresponding states principle” for strongly interacting particle systems we have put forward recently (Khrapak S. A., Chaudhuri M. and Morfill G. E., J. Chem. Phys., 134 (2011) 241101). The related possibilities to predict the existence and approximate location of the fcc-bcc-fluid triple point for a wide range of pair interactions with variable softness are illustrated. Relation of the obtained results to experimental studies of complex (dusty) plasmas are briefly discussed.
PACS: 64.60.Ej – Studies/theory of phase transitions of specific substances / 64.70.D- – Solid-liquid transitions / 52.27.Lw – Dusty or complex plasmas; plasma crystals
© EPLA, 2012
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