Derivative of Krylov spread complexity diverges logarithmically at SSH topological transitions and is bounded by fidelity susceptibility in general two-band Hamiltonians, with a non-unitary duality between phases.
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2026 2representative citing papers
Bootstrapped time-integrated spread complexity of maximally entangled states resolves ergodic regimes of the Rosenzweig-Porter ensemble and trades off monotonically with integrated fidelity by construction of the Krylov decomposition.
citing papers explorer
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Krylov complexity and fidelity susceptibility in two-band Hamiltonians
Derivative of Krylov spread complexity diverges logarithmically at SSH topological transitions and is bounded by fidelity susceptibility in general two-band Hamiltonians, with a non-unitary duality between phases.
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Scrambling of Entanglement from Integrability to Chaos: Bootstrapped Time-Integrated Spread Complexity
Bootstrapped time-integrated spread complexity of maximally entangled states resolves ergodic regimes of the Rosenzweig-Porter ensemble and trades off monotonically with integrated fidelity by construction of the Krylov decomposition.