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Ground State Structure of the Metallic Hydrogen

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Published under licence by IOP Publishing Ltd
, , Citation Zhu Zai-wan and Li Jun-jie 1998 Chinese Phys. Lett. 15 362 DOI 10.1088/0256-307X/15/5/019

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1 Department of Physics, Yanbian University, Yanji 133002

Dates

  1. Received 5 November 1997
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0256-307X/15/5/362

Abstract

By using Heine-Abarencov pseudopotential method with mono-parameter rc, the expressions for ground state energy epsilon (rs), pressure P (rs), and bulk modulus B(rs) of metallic hydrogen (fcc, bcc, and hcp structures) are derived. Based on Gibbs free energy function criterion, the calculation shows that cold metallic hydrogen lattice (T = 0K) belongs to hcp structure.

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