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This research identifies an intrinsic mechanism where time-reversal symmetry breaks down in large-scale systems to drive them toward thermodynamic equilibrium and entropy increase. The finding directly addresses the loss of quantum coherence that currently limits computational potential, offering a fundamental explanation for decoherence without relying on external environmental noise. By reframing this process as a natural consequence of temporal development rather than an inconsistency, it provides critical theoretical insight into scaling quantum hardware to macroscopic limits.
Researchers find Time-Symmetry Breaking Drives Quantum Systems to Equilibrium

Quantum mechanics is widely recognised as being incomplete, not consistent with the second law of thermodynamics, and does not provide a physical account of the measurement process. Christopher J. Coveney shows that time-reversal symmetry gives rise to time-symmetry breaking and attains thermodynamic equilibrium at long times, accompanied by a loss of quantum coherence and increase in entropy.
Christopher J. Coveney’s of the University of Oxford and collaboration institue University College London recent work reveals a fundamental inconsistency within quantum mechanics, challenging its compatibility with the established second law of thermodynamics. Coveney’s research demonstrates that time-reversal symmetry, typically inherent in…
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