title   
  

Odd q-state clock spin-glass models in three dimensions, asymmetric phase diagrams, and multiple algebraically ordered phases

İlker, Efe and Berker, A. Nihat (2014) Odd q-state clock spin-glass models in three dimensions, asymmetric phase diagrams, and multiple algebraically ordered phases. Physical Review E, 90 . ISSN 1539-3755 (Print) 1550-2376 (Online)

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Official URL: http://dx.doi.org/10.1103/PhysRevE.90.062112

Abstract

Distinctive orderings and phase diagram structures are found, from renormalization-group theory, for odd q-state clock spin-glass models in d=3 dimensions. These models exhibit asymmetric phase diagrams, as is also the case for quantum Heisenberg spin-glass models. No finite-temperature spin-glass phase occurs. For all odd q≥5, algebraically ordered antiferromagnetic phases occur. One such phase is dominant and occurs for all q≥5. Other such phases occupy small low-temperature portions of the phase diagrams and occur for 5≤q≤15. All algebraically ordered phases have the same structure, determined by an attractive finite-temperature sink fixed point where a dominant and a subdominant pair states have the only nonzero Boltzmann weights. The phase transition critical exponents quickly saturate to the high q value.

Item Type:Article
Additional Information:Article number: 062112
Subjects:UNSPECIFIED
ID Code:26598
Deposited By:A. Nihat Berker
Deposited On:28 Dec 2014 20:07
Last Modified:28 Dec 2014 20:07

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