Patrick Lee

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Figure
Parametrically amplified Josephson plasma waves in YBa2Cu3O6+x: Evidence for local superconducting fluctuations up to the pseudogap temperature T*

Fig. 1: Schematic of the variational state used in our calculations. There is a 2⁢𝜋/3 gauge flux per kagome unit cell, which leads to a tripling of the magnetic unit cell, formed by the lattice vectors shown in blue. The state is parameterized by fluxes through the up and down triangles 𝜙1 and 𝜙2, respectively.
Dirac Node Pinning from Dzyaloshinskii-Moriya Interactions in a Kagome Spin Liquid