Global constraints on Z2 fluxes in two different anisotropic limits of a hypernonagon Kitaev model
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چکیده
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The global phase diagram of a doped Kitaev-Heisenberg model is studied using an SU (2) slave-boson mean-field method. Near the Kitaev limit,p-wave superconducting states which break the time-reversal symmetry are stabilized as reported by You et al. [Phys. Rev. B 86, 085145 (2012)] irrespective of the sign of the Kitaev interaction. By further doping, a d-wave superconducting state appears when...
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ژورنال
عنوان ژورنال: Physica B: Condensed Matter
سال: 2018
ISSN: 0921-4526
DOI: 10.1016/j.physb.2017.08.008