We present a comprehensive formulation of Complex-Time Quantum--Thermal--Geometric Dynamics (CTQTG), a first-principles framework unifying quantum mechanics, thermal physics, and emergent spacetime geometry through analytic continuation in the time parameter. The central dynamical equation is given byequation_ (, x) = - H (x) - _^ (g) (, x), equationwhere \ (= + i t/\) defines a complex temporal coordinate, \ (\) is a fundamental coupling constant governing geometric diffusion, and \ (_^ (g) \) denotes the Laplace--Beltrami operator on a curved complex-time manifold. We extend this construction from quantum mechanics to quantum field theory, demonstrating that thermal field theory emerges naturally from compactification of the imaginary-time dimension, while gravitational dynamics arise from the backreaction of quantum fields on the complex-time geometry. The path integral formulation reveals the deep connection between complex-time evolution and the statistical mechanics of quantum fields. The formalism yields testable predictions for low-energy quantum systems and provides a pathway toward a unified description of quantum phenomena, thermodynamics, and spacetime geometry.
Y. Li (Mon,) studied this question.
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