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Deconfined criticality from the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>QED</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:math> -Gross-Neveu model at three loops
The ${\mathrm{QED}}_{3}$-Gross-Neveu model is a $(2+1)$-dimensional $\mathrm{U}(1)$ gauge theory involving Dirac fermions and a critical real scalar field. This theory has recently been argued to represent a dual description of the deconfined quantum critical point between N\'eel and valence bond solid orders in frustrated quantum magnets. We study the critical …