Phys. Rev. B 76, 195408 (2007) [7 pages]Low-temperature orientational glass transition in molecular C60Received 22 February 2007; revised 23 July 2007; published 7 November 2007 We propose a model for the description of the low-temperature orientational glass transition in solid molecular C60 using the basic concepts and methods of spin-glass and multipole-glass theory. The physical origin of the frustration and the disorder is discussed. We obtain coexistence of orientational and glass orders in the glass phase and a broad maximum of the orientational specific heat in agreement with experimental data. The orientational ordering under pressure is discussed. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.76.195408
DOI:
10.1103/PhysRevB.76.195408
PACS:
81.05.Tp, 64.70.Kb, 64.60.Cn, 75.50.Lk
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