Undercooled state of liquid rubidium

R. N. Singh; R. P. Jaju

Undercooled state of liquid rubidium

R. N. Singh, R. P. Jaju

Physics

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

A first principle theoretical scheme which is based on pseudopotential perturbation theory, the thermodynamics of hard sphere systems and the variational method based on Gibbs-Bogoliaubov inequality is used to investigate the specific heat of liquid Rb in the undercooled region (T< T_m). C^l _p is found to increase with decreasing T and exhibits a maxima in the vicinity of 60 K. The anomalies in C^l _p in the undercooled region are discussed in terms of structure and volume dependent contributions of energies and entropies.

Original language	English
Pages (from-to)	67-74
Number of pages	8
Journal	Physics and Chemistry of Liquids
Volume	36
Issue number	2
Publication status	Published - 1998

Keywords

Liquid metal Rb
Specific heat

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Physical and Theoretical Chemistry
Materials Chemistry

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abstract = "A first principle theoretical scheme which is based on pseudopotential perturbation theory, the thermodynamics of hard sphere systems and the variational method based on Gibbs-Bogoliaubov inequality is used to investigate the specific heat of liquid Rb in the undercooled region (T< Tm). Cl p is found to increase with decreasing T and exhibits a maxima in the vicinity of 60 K. The anomalies in Cl p in the undercooled region are discussed in terms of structure and volume dependent contributions of energies and entropies.",

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AB - A first principle theoretical scheme which is based on pseudopotential perturbation theory, the thermodynamics of hard sphere systems and the variational method based on Gibbs-Bogoliaubov inequality is used to investigate the specific heat of liquid Rb in the undercooled region (T< Tm). Cl p is found to increase with decreasing T and exhibits a maxima in the vicinity of 60 K. The anomalies in Cl p in the undercooled region are discussed in terms of structure and volume dependent contributions of energies and entropies.

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KW - Specific heat

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