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20052026
most citedKeldysh approach for non-equilibrium phase transitions in quantum optics: beyond the Dicke model in optical cavities

253 citations · 1.5k across the 41 of their papers we have counts for

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cond-mat.quant-gas2016★ 26 cited

Quantum-optical magnets with competing short- and long-range interactions: Rydberg-dressed spin lattice in an optical cavity

Jan Gelhausen, Michael Buchhold, Achim Rosch +1

The fields of quantum simulation with cold atoms [1] and quantum optics [2] are currently being merged. In a set of recent pathbreaking experiments with atoms in optical cavities […

cond-mat.quant-gas2016★ 38 cited

Many-Body Quantum Optics with Decaying Atomic Spin States: (, ) Dicke model

Jan Gelhausen, Michael Buchhold, Philipp Strack

We provide a theory for quantum-optical realizations of the open Dicke model with internal, atomic spin states subject to spontaneous emission with rate . This introduces a seco…

cond-mat.quant-gas2014★ 56 cited

Quantum kinetics of ultracold fermions coupled to an optical resonator

Francesco Piazza, Philipp Strack

We study the far-from-equilibrium statistical mechanics of periodically driven fermionic atoms in a lossy optical resonator. We show that the interplay of the Fermi surface with ca…

cond-mat.quant-gas2013★ 20 cited

Fluctuations of imbalanced fermionic superfluids in two dimensions induce continuous quantum phase transitions and non-Fermi liquid behavior

Philipp Strack, Pawel Jakubczyk

We study the nature of superfluid pairing in imbalanced Fermi mixtures in two spatial dimensions. We present evidence that the combined effect of Fermi surface mismatch and order p…

cond-mat.quant-gas2013★ 123 cited

Umklapp Superradiance from a Collisionless Quantum Degenerate Fermi Gas

Francesco Piazza, Philipp Strack

The quantum dynamics of the electromagnetic light mode of an optical cavity filled with a coherently driven Fermi gas of ultracold atoms strongly depends on geometry of the Fermi s…

cond-mat.quant-gas2013★ 89 cited

Bose-Einstein Condensation versus Dicke-Hepp-Lieb Transition in an Optical Cavity

Francesco Piazza, Philipp Strack, Wilhelm Zwerger

We provide an exact solution for the interplay between Bose-Einstein condensation and the Dicke-Hepp-Lieb self-organization transition of an ideal Bose gas trapped inside a single-…