A modulated driven-dissipative oscillator realizes non-Hermitian topological amplification and frequency conversion via a local winding number in synthetic frequency space.
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Entanglement asymmetry for space-inversion symmetry of free fermions on honeycomb lattices exhibits nonanalytic dependence on energy imbalance and persists after a quench to the symmetric point due to flat bands in certain geometries.
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Floquet Topological Frequency-Converting Amplifier
A modulated driven-dissipative oscillator realizes non-Hermitian topological amplification and frequency conversion via a local winding number in synthetic frequency space.
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Dynamics of entanglement asymmetry for space-inversion symmetry of free fermions on honeycomb lattices
Entanglement asymmetry for space-inversion symmetry of free fermions on honeycomb lattices exhibits nonanalytic dependence on energy imbalance and persists after a quench to the symmetric point due to flat bands in certain geometries.