Emergent symmetries and coexisting orders in Dirac fermion systems
2020
The authors show the onset of emergent symmetries in complex Dirac materials, linking them to relativistic quantum field theories. By combining two complementary non-perturbative approaches, the functional renormalization group and quantum Monte Carlo simulations, the paper establishes the generic stability of quantum multi-critical points with enhanced symmetries and phase-coexistence in such systems.
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