A single-particle dark state in a dissipating spin chain induces universal long-time many-body dynamics with momentum distribution scaling as k sqrt(t) and density decaying as 1/(sqrt(t) log t).
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Configuration-dependent energy shifts split Dicke superradiance into selective collective decay channels that trap finite-momentum spin waves and stabilize entanglement generated solely by dissipation.
A Morse-theoretic topological index defined on the imaginary part of non-Hermitian spectra is shown to count Fermi points and fix the effective central charge of the non-equilibrium steady state.
Rotating two collective spin subsystems by angle heta lengthens quantum-jump waiting times (finite and N-independent at heta= heta=π), mitigating detector resolution at the cost of longer entanglement saturation times.
Seeding boundary time crystals induces a measurement-induced phase transition where steady-state entanglement entropy scales with system size N in the seeded phase but decays exponentially otherwise.
In the open coupled-top Dicke model, photon loss induces spontaneous synchronization and two distinct dissipative quantum scars, one protected with persistent revivals and one showing slow decay linked to chaos-assisted tunneling for small spins.
citing papers explorer
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Universal dynamics from a single-particle dark state
A single-particle dark state in a dissipating spin chain induces universal long-time many-body dynamics with momentum distribution scaling as k sqrt(t) and density decaying as 1/(sqrt(t) log t).
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Kinetically constrained superradiance
Configuration-dependent energy shifts split Dicke superradiance into selective collective decay channels that trap finite-momentum spin waves and stabilize entanglement generated solely by dissipation.
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Spectral-topology-induced criticality in non-Hermitian fermionic metals
A Morse-theoretic topological index defined on the imaginary part of non-Hermitian spectra is shown to count Fermi points and fix the effective central charge of the non-equilibrium steady state.
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Controlling Waiting Time Statistics in Monitored Collective Spins: Mitigating Detector's Resolution Barrier in Measurement-Induced Phase Transitions
Rotating two collective spin subsystems by angle heta lengthens quantum-jump waiting times (finite and N-independent at heta= heta=π), mitigating detector resolution at the cost of longer entanglement saturation times.
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Quantum Trajectory Entanglement in Seeded Boundary Time Crystals
Seeding boundary time crystals induces a measurement-induced phase transition where steady-state entanglement entropy scales with system size N in the seeded phase but decays exponentially otherwise.
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Chaos to Synchronization and Dissipative Quantum Scarring in Open Coupled top-Dicke model in a Lossy Cavity
In the open coupled-top Dicke model, photon loss induces spontaneous synchronization and two distinct dissipative quantum scars, one protected with persistent revivals and one showing slow decay linked to chaos-assisted tunneling for small spins.