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Geometrically Taming Dynamical Entanglement Growth in Purified Quantum States
Tim Pokart, Carl Lehmann, Jan Carl Budich
Entanglement properties of purified quantum states are of key interest for two reasons. First, in quantum information theory, minimally entangled purified states define the Entangl…
Non-Hermitian topological ohmmeter
Viktor Könye, Kyrylo Ochkan, Anastasiia Chyzhykova +4
Measuring large electrical resistances forms an essential part of common applications such as insulation testing, but suffers from a fundamental problem: the larger the resistance,…
Long time rigidity to flux-induced symmetry breaking in quantum quench dynamics
Lorenzo Rossi, Luca Barbiero, Jan Carl Budich +1
We investigate how the breaking of charge conjugation symmetry impacts on the dynamics of a half-filled fermionic lattice system after global quenches. We show that,…
Protection of Correlation-Induced Phase Instabilities by Exceptional Susceptibilities
Matthias Reitner, Lorenzo Crippa, Dominik Robert Fus +3
At thermal equilibrium, we find that generalized susceptibilities encoding the static physical response properties of Hermitian many-electron systems possess inherent non-Hermitian…
Non-Linear Interference Challenging Topological Protection of Chiral Edge States
Benjamin Michen, Jan Carl Budich
We report on a non-linear scattering effect that challenges the notion of topological protection for wave packets propagating in chiral edge modes. Specifically, in a Floquet topol…
Correlation-Induced Sensitivity and Non-Hermitian Skin Effect of Quasiparticles
Tommaso Micallo, Carl Lehmann, Jan Carl Budich
Non-Hermitian (NH) Hamiltonians have been shown to exhibit unique signatures, including the NH skin effect and an exponential spectral sensitivity with respect to boundary conditio…