Fourier imaging isolates a ring-shaped superradiant emission pattern from cold 87Rb clouds that matches the most superradiant collective jump operator, with superlinear intensity scaling after spatial filtering.
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In the subradiant regime of a bad-cavity laser, a dissipative phase transition maps to a switch from detailed-balance Markov chains to ones with time-asymmetric currents and N-scaling entropy production, producing observable self-pulsing.
The maximum photon emission rate in atomic ensembles scales universally as atom number times optical depth at fixed density, unifying ordered and disordered systems from independent emission to the Dicke limit.
The chiral Dicke model exhibits robust U(1) symmetry breaking in a superradiant phase and multiversality, with the dynamical critical exponent zν changing from 1 to 1/2 along a special parameter line.
Linear optical schemes postselect symmetric qudit Dicke states, with ancillary photons exceeding the success probability upper bound of non-ancillary schemes.
Quantum simulation of thermalization in a nonuniform Dicke model with up to 200 trapped ions shows sensitivity of observables and entropy growth to coupling inhomogeneity.
Loss in an auxiliary cavity induces nonreciprocal excitation exchange in a three-cavity quantum battery, yielding significantly higher steady-state energy in the battery than the charger.
Superconducting qubit array with tunable waveguide couplings demonstrates programmable superradiance and subradiance stabilized by interactions beyond the ideal Dicke model.
Aligning an exceptional point with a dissipative phase transition in an extended open Dicke model amplifies critical fluctuations and modifies critical exponents through EP-induced Jordan-block dynamics.
Exact few-magnon Bloch states block-diagonalize the J1-J2 ring Hamiltonian for N=6,8 into at most 4x4 blocks, giving analytical access to Majumdar-Ghosh and HKNN ground states whose momentum-space forms match their real-space versions for N=6.
Mass imbalance and Coulomb strength control a BCS-BEC crossover in polaritonic condensates, with semiconductors favoring BEC-like excitonic states at low density and semimetals favoring BCS pairing except at strong interactions and large imbalance.
The single-slit diffraction pattern is recast as the squared projection of the photon state onto the detector-coupled bright mode, with minima corresponding to photons in undetectable dark modes.
In Markovian open quantum systems with bistability, noise-induced stochastic switching limits relaxation and follows an Arrhenius law with inverse system size as effective temperature, distinct from deterministic slow relaxation due to a small Liouvillian gap.
citing papers explorer
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Fourier imaging of collective spontaneous emission modes in superradiant cold atomic clouds
Fourier imaging isolates a ring-shaped superradiant emission pattern from cold 87Rb clouds that matches the most superradiant collective jump operator, with superlinear intensity scaling after spatial filtering.
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Dynamical aspects of steady-state subradiance: Detailed balance and its breakdown
In the subradiant regime of a bad-cavity laser, a dissipative phase transition maps to a switch from detailed-balance Markov chains to ones with time-asymmetric currents and N-scaling entropy production, producing observable self-pulsing.
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Optical depth dictates universal bounds on many-body decay in atomic ensembles
The maximum photon emission rate in atomic ensembles scales universally as atom number times optical depth at fixed density, unifying ordered and disordered systems from independent emission to the Dicke limit.
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Robust continuous symmetry breaking and multiversality in the chiral Dicke model
The chiral Dicke model exhibits robust U(1) symmetry breaking in a superradiant phase and multiversality, with the dynamical critical exponent zν changing from 1 to 1/2 along a special parameter line.
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Linear Optical Schemes to Postselect High-Dimensional Dicke States
Linear optical schemes postselect symmetric qudit Dicke states, with ancillary photons exceeding the success probability upper bound of non-ancillary schemes.
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Quantum simulation of thermalization dynamics of a nonuniform Dicke model
Quantum simulation of thermalization in a nonuniform Dicke model with up to 200 trapped ions shows sensitivity of observables and entropy growth to coupling inhomogeneity.
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Loss-induced nonreciprocal quantum battery
Loss in an auxiliary cavity induces nonreciprocal excitation exchange in a three-cavity quantum battery, yielding significantly higher steady-state energy in the battery than the charger.
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Programmable Superradiance in an Interacting Qubit Array
Superconducting qubit array with tunable waveguide couplings demonstrates programmable superradiance and subradiance stabilized by interactions beyond the ideal Dicke model.
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Enhanced dissipative criticality at an exceptional point
Aligning an exceptional point with a dissipative phase transition in an extended open Dicke model amplifies critical fluctuations and modifies critical exponents through EP-induced Jordan-block dynamics.
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Exact momentum-space analysis of small spin-1/2 $J_1$-$J_2$ rings
Exact few-magnon Bloch states block-diagonalize the J1-J2 ring Hamiltonian for N=6,8 into at most 4x4 blocks, giving analytical access to Majumdar-Ghosh and HKNN ground states whose momentum-space forms match their real-space versions for N=6.
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BCS-BEC crossover of polaritonic condensates in mass-imbalanced semimetal/semiconductor microcavities
Mass imbalance and Coulomb strength control a BCS-BEC crossover in polaritonic condensates, with semiconductors favoring BEC-like excitonic states at low density and semimetals favoring BCS pairing except at strong interactions and large imbalance.
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Quantum Origin of Diffraction from Bright and Dark States
The single-slit diffraction pattern is recast as the squared projection of the photon state onto the detector-coupled bright mode, with minima corresponding to photons in undetectable dark modes.
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Switching Dynamics of Metastable Open Quantum Systems
In Markovian open quantum systems with bistability, noise-induced stochastic switching limits relaxation and follows an Arrhenius law with inverse system size as effective temperature, distinct from deterministic slow relaxation due to a small Liouvillian gap.