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Quantum Energy-Time Lattice: A Novel Framework for Discrete Energy-Time Symmetry Breaking

Jincheng Zhang

Zenodo (CERN European Organization for Nuclear Research), 2026

Abstract

In this paper, we introduce the concept of the Quantum Energy-Time Lattice (QETL), a theoretical framework proposing that discrete energy exchange events in non-equilibrium open quantum systems can naturally form a structured lattice in the temporal and energetic domains. Unlike conventional discrete time crystals that break continuous time-translation symmetry through periodic driving of spatial or spin configurations, the QETL framework posits that periodicity emerges intrinsically within the energy exchange profile such that E(t + nT_E) equals E(t), where T_E represents the fundamental energy-exchange period and n is an integer. Crucially, we demonstrate that a system exhibiting this temporal-energetic lattice structure does not necessarily manifest as an ordinary time crystal, as the underlying quantum state may retain internal phase fluctuations or decoherence channels that prevent standard sub-harmonic synchronization. We formulate the mathematical dynamics governing QETL, analyze its characteristic observable signals where the energy exchange spectrum exhibits sharp peaks at omega_n equal to nomega_E, and explore the profound implications of establishing a dual energy-time lattice symmetry. This paradigm opens new avenues for exploring non-equilibrium quantum matter and offers deep insights into the fundamental interplay between energy dissipation, temporal order, and quantum coherence.

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