1306.5498 (Chyh-Hong Chern)
Chyh-Hong Chern
A renormalizable gauge theory is constructed to identify the pseudogap phase in cuprates as a Stueckelberg phase. The pseudogap transition is a Berezinski-Kosterlitz-Thouless-like transition, where the gauge field combines with the Stueckelberg field and acquires a mass. Consequently, the electronic spectrum opens a gap at the pseudogap transition without breaking the time-reversal and the translational symmetry.
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http://arxiv.org/abs/1306.5498
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