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Determination of the Diffusion Coefficient in the Complex-Time Quantum-Thermal-Geometric Equation

Y. Li

Published Mar 22, 2026• 0 citations
Publisher

Abstract

We present a rigorous determination of the diffusion coefficient \(\alpha\) appearing in the Complex-Time Quantum-Thermal-Geometric (CTQTG) equation\(\partial_{\theta}\Psi = -H\Psi - \alpha\Delta_{\theta}\Psi\),where \(\theta = \tau + i t/\hbar\). Starting from the gradient-flow derivation of the equation, we show that \(\alpha\) can be absorbed into a redefinition of the complex time coordinate, leaving a single universal constant that can be set to unity by an appropriate choice of units. Physical constraints such as the zero-temperature limit, the fluctuation-dissipation theorem, and the requirement of consistency with standard quantum mechanics and thermodynamics are then shown to be automatically satisfied after this rescaling. The final form of the CTQTG equation is therefore\[\partial_{\theta}\Psi = -H\Psi - \Delta_{\theta}\Psi,\]which we argue is the unique dimensionless formulation consistent with both mathematical structure and physical principles.

DOI
10.5281/zenodo.19159641

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