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Ling-Feng Liu

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Preprint Sep 2026

Non-Hermitian Quantum Mechanics I: Instantaneous Self-Energy

Starting from the unitary evolution of a closed quantum system, we rigorously demonstrate that the projection of the global wavefunction onto an arbitrary local subsystem is governed by an exact, time-dependent non-Hermitian Schr\"odinger equation. Crucially, the derivation does not rely on conventional approximations...

Ling-Feng Liu, Wei-Wei Yang, Jiang-Ping Hu et al. · 0 citations

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