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Phonons and specific heat of linear dense phases of atoms physisorbed in the grooves of carbon nanotube bundles

Antonio Siber

cond-mat.stat-mecharXiv:cond-mat/0212584

Abstract

The vibrational properties (phonons) of a one-dimensional periodic phase of atoms physisorbed in the external groove of the carbon nanotube bundle are studied. Analytical expressions for the phonon dispersion relations are derived. The derived expressions are applied to Xe, Kr and Ar adsorbates. The specific heat pertaining to dense phases of these adsorbates is calculated.

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