Generic thermodynamics of condensates with extremely small superfluid density ---Application to UTe 2 and hidden second phase transition---

arXiv:2609.19834 · cond-mat.supr-con · Submitted 2026-09-17 · Read on arXiv

cond-mat.supr-con

Submitted: 2026-09-17

Updated: 2026-09-17

Terminology

• Phase Transitions — 2× in this paper · explained in 2 episodes
• Quantization — 2× in this paper · explained in 12 episodes
• Symmetry Breaking — 2× in this paper · explained in 3 episodes
• Anisotropy — 1× in this paper · explained in 3 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Particle-hole asymmetry — 1× in this paper · explained in 2 episodes
• Spin-Orbit Coupling (SOC) — 1× in this paper · explained in 3 episodes

Sources

• Superfluid Density, Penetration Depth, Condensate Density
• Vanishing Phase Stiffness and Fluctuation-Dominated Superconductivity in UTe 2
• Thermodynamic Discovery of Tetracriticality and Emergent Multicomponent Superconductivity in UTe$_2$
• Quantitative thermodynamic study of superconducting and normal states in UTe2 under pressure
• Robust nodal behavior in the thermal conductivity of superconducting UTe$_2$

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