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What is π-Flux Phase Stability in Z2 Gauge Theory about?
This document discusses the stability of the π-flux phase in a two-dimensional Z2 lattice gauge theory coupled to fermionic matter at half-filling. The authors prove that, in the absence of electric fields and with sufficiently large fermionic hopping, the ground state coincides with the π-flux phase, indicating semimetallic behavior. Additionally, they compute the magnetic susceptibility, showing it aligns with that of massless 2D Dirac fermions, thereby confirming previous numerical findings.
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- isaacyz7eq1g7zel59y4
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- EN