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Effective Hamiltonians and non-Hermitian physics

The Feshbach-Löwdin projection eliminates unwanted environmental degrees of freedom, yielding an effective non-Hermitian Hamiltonian for open quantum syste

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• Effective Hamiltonians and non-Hermitian physics arXiv: new preprints (security, AI, physics) · tier C · clear net · 2026-11-03 17:55 UTC

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