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Physical Review D
Fermi condensation is usually a phenomena of strongly correlated system. In this paper, we point out a novel mechanism for condensation of Dirac fermions due to the Weyl anomaly. The condensation has its physical origin in the nontrivial response of the fermion vacuum to changes in the background spacetime (either boundary location or the background metric), and can be felt when a background scalar field is turned on. The scalar field can be, for example, the Higgs field in a fundamental theorydoi:10.1103/physrevd.102.046011 fatcat:ev6fvtvge5fezddltlag2w62sy