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    Publication Date: 2018-09-06
    Description: Author(s): Bernhard Ihrig, Luminita N. Mihaila, and Michael M. Scherer Near the critical point of a phase transition, physical observables are characterized by a set of pure numbers – the critical exponents – which are identical for a whole class of transitions defining a “universality class”. Novel Dirac materials exhibit quantum critical points, which are not captured by conventional universality classes and their description defines new challenges for theory. The authors present here a comprehensive renormalization group study and give quantitative predictions for universality classes of Dirac fermions, as relevant to semimetal-insulator transitions in graphene and emergent supersymmetry in topological insulators. The authors also compare to independent conformal bootstrap results and quantum Monte Carlo estimates. [Phys. Rev. B 98, 125109] Published Wed Sep 05, 2018
    Keywords: Electronic structure and strongly correlated systems
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
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