Dresden 2026 – wissenschaftliches Programm
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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. Reese1,2 and Ludwig Mathey1,2 — 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