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TT: Fachverband Tiefe Temperaturen

TT 56: Superconductivity: Theory I

TT 56.2: Vortrag

Mittwoch, 11. März 2026, 15:15–15:30, CHE/0089

Critical behavior of the Superconducting Phase Transition in a Lattice Gauge Theory Approach — •Greta S. Reese^1,2 and Ludwig Mathey^1,2 — ¹The Hamburg Centre for Ultrafast Imaging, Hamburg, Germany — ²Center for Optical Quantum Technologies, University of Hamburg, 22761 Hamburg, Germany

We present a U(1) lattice gauge model to describe the superconducting phase transition of a type-II superconductor. Using the Landau Ginzburg free energy, we perform Monte Carlo simulations to investigate how the presence of a gauge field influences the nature of the phase transition. In particular, we study the effects of the gauge field on the Cooper pair density and the heat capacity.

Keywords: gauge field; critical behavior