Temperature as a Proxy for the Decoherence Rate: Superconductivity in ODTOE Coherence Metrics and Four Channels of Condensate Protection — Overview
The governing axis of superconductivity is modeled as the decoherence rate of the electronic condensate; temperature sets the dominant thermal channel. The third law of thermodynamics makes absolute zero an asymptotic limit for closing the thermal channel alone, while the…
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The governing axis of superconductivity is modeled as the decoherence rate of the electronic condensate; temperature sets the dominant thermal channel. The third law of thermodynamics makes absolute zero an asymptotic limit for closing the thermal channel alone, while the superconductor–insulator transition at T→0 shows non-thermal decoherence channels at work. 2025 superfluid-stiffness measurements show quantum geometry can carry phase coherence where kinetic energy vanishes. ODTOE metrics (coherence S, contraction modulus q(B,S), lifetime law T=T0/(1−S)ⁿ, the Strue/Sphantom pair) organize four protection channels — energy gap, phase stiffness, quantum geometry, protected subspaces — into one control model with two tiers of falsifiable predictions and a measurement protocol. The cuprate pseudogap reads as phantom coherence; an engineering road toward superconductivity at arbitrary temperature follows four coherence-engineering roads R1–R4.