An operator-frame principal bundle with an Ehresmann connection yields a quantum geometric tensor that remains analytic across vacuum-instability phase transitions where conventional state-space geometry fails.
Feshbach, title title Unified Theory of Nuclear Reactions
4 Pith papers cite this work, alongside 2,953 external citations. Polarity classification is still indexing.
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A CAP-GW method is developed for approximating positions and lifetimes of shape resonances in small molecular anions, validated on N2^-, CO^-, and others with accuracy comparable to wavefunction-based approaches.
Zeno elimination via Schur complement in GKSL dynamics induces negative directions in quadratic response tensors even when the microscopic tensor is positive definite.
Neural-network ensembles match closed Gaussian systems but lack the open-system non-Hermitian generator and continuous spectrum required by nuclear optical models, yielding a structural negative on applicability.
citing papers explorer
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Operator-frame geometry of non-compact quantum systems with frame-vacuum phase transitions
An operator-frame principal bundle with an Ehresmann connection yields a quantum geometric tensor that remains analytic across vacuum-instability phase transitions where conventional state-space geometry fails.
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Complex Absorbing Potential Green's Function Methods for Resonances
A CAP-GW method is developed for approximating positions and lifetimes of shape resonances in small molecular anions, validated on N2^-, CO^-, and others with accuracy comparable to wavefunction-based approaches.
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Signature structure of quadratic response under Zeno-Schur coarse graining in open quantum systems
Zeno elimination via Schur complement in GKSL dynamics induces negative directions in quadratic response tensors even when the microscopic tensor is positive definite.
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Integrating Out, Twice:The Open-System Case That Neural-Network Ensemble Theory Is Missing
Neural-network ensembles match closed Gaussian systems but lack the open-system non-Hermitian generator and continuous spectrum required by nuclear optical models, yielding a structural negative on applicability.