This article has an erratum: [erratum]
Volume 89, Number 4, February 2010
|Number of page(s)||5|
|Published online||11 March 2010|
Melting line and new metastable state of hydrogen at megabar pressures
Joint Institute for High Temperatures of Russian Academy of Science - Izhorskaya 13/19, 125412, Moscow, Russia
2 Keldysh Institute of Applied Mathematics of Russian Academy of Science - Miusskaya sq. 4, 125047, Moscow, Russia
Corresponding author: firstname.lastname@example.org
Accepted: 11 February 2010
We present a model of a quantum conductive fluid which forms as the molecular crystal hydrogen is subjected to melting at megabar pressures. This model explains the recent experimental observations of anomalies in this melting process. The model is founded on the cell approach that takes the contribution of localized states into consideration. We show that, for temperatures below 13000 K, the fluid produced by the melting process may exist in a metastable state with a density ~2.3 g/cm3, and may possibly retain this state after the depressurization.
PACS: 05.70.-a – Thermodynamics / 05.70.Fh – Phase transitions: general studies
© EPLA, 2010
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