The Zero Temperature Phase Diagram of the Kitaev Model

Nash, Charles and O'Connor, Denjoe (2009) The Zero Temperature Phase Diagram of the Kitaev Model. Physical Review Letters, 102 (14). 147203-1-147203-4. ISSN 1079-7114

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We show that the zero temperature phase diagram of the vortex free sector of the Kitaev model is in one to one correspondence with that of the classical dimer model on the corresponding lattice. We find that the model generically has three distinct phases. On a honeycomb lattice with a 3 × 3 fundamental domain all three phases are accessible. As the couplings are varied there are two distinct transitions. The new transition is one to a gapped phase that opens up in the interior of the B phase of the Kitaev model.

Item Type: Article
Additional Information: Copyright Notice "©2009 American Physical Society. This article appeared in Physical Review Letters and may be found at"
Keywords: Kitaev model; Physics; Dimer model; Zero temperature phase diagram.
Academic Unit: Faculty of Science and Engineering > Experimental Physics
Item ID: 1566
Identification Number: 10.1103/PhysRevLett.102.147203
Depositing User: Prof. Charles Nash
Date Deposited: 05 Oct 2009 14:08
Journal or Publication Title: Physical Review Letters
Publisher: American Physical Society
Refereed: Yes
Funders: EU-NCG Marie Curie Network No. MTRN-CT-2006-031962

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