Introduction to the Dicke Model: From Equilibrium to Nonequilibrium, and Vice Versa
The Dicke model describes the coupling between a quantized cavity field and a large
ensemble of two‐level atoms. When the number of atoms tends to infinity, this model can …
ensemble of two‐level atoms. When the number of atoms tends to infinity, this model can …
Open quantum systems with local and collective incoherent processes: Efficient numerical simulations using permutational invariance
The permutational invariance of identical two-level systems allows for an exponential
reduction in the computational resources required to study the Lindblad dynamics of …
reduction in the computational resources required to study the Lindblad dynamics of …
Emergent dark states from superradiant dynamics in multilevel atoms in a cavity
We investigate the collective decay dynamics of atoms with a generic multilevel structure
(angular momenta F↔ F′) coupled to two light modes of different polarization inside a …
(angular momenta F↔ F′) coupled to two light modes of different polarization inside a …
Emerging dissipative phases in a superradiant quantum gas with tunable decay
Exposing a many-body system to external drives and losses can transform the nature of its
phases and opens perspectives for engineering new properties of matter. How such …
phases and opens perspectives for engineering new properties of matter. How such …
Nonlinear semiclassical dynamics of the unbalanced, open Dicke model
In recent years there have been significant advances in the study of many-body interactions
between atoms and light confined to optical cavities. One model that has received …
between atoms and light confined to optical cavities. One model that has received …
Many-body open quantum systems
These Lecture Notes discuss the recent theoretical advances in the understanding of open
quantum many-body physics in platforms where both dissipative and coherent processes …
quantum many-body physics in platforms where both dissipative and coherent processes …
Entangled time-crystal phase in an open quantum light-matter system
R Mattes, I Lesanovsky, F Carollo - Physical Review A, 2023 - APS
Time crystals are nonequilibrium many-body phases in which the state of the system
dynamically approaches a limit cycle. While these phases have recently been the focus of …
dynamically approaches a limit cycle. While these phases have recently been the focus of …
Scrambling in the Dicke model
Y Alavirad, A Lavasani - Physical Review A, 2019 - APS
The scrambling rate λ L associated with the exponential growth of out-of-time-ordered
correlators can be used to characterize quantum chaos. Here we use a particular Majorana …
correlators can be used to characterize quantum chaos. Here we use a particular Majorana …
Driven-dissipative Ising model: An exact field-theoretical analysis
DA Paz, MF Maghrebi - Physical Review A, 2021 - APS
Driven-dissipative many-body systems are difficult to analyze analytically due to their
nonequilibrium dynamics, dissipation, and many-body interactions. In this paper, we …
nonequilibrium dynamics, dissipation, and many-body interactions. In this paper, we …
Lasing and counter-lasing phase transitions in a cavity-QED system
We study the effect of spontaneous emission and incoherent atomic pumping on the
nonlinear semiclassical dynamics of the unbalanced Dicke model—a generalization of the …
nonlinear semiclassical dynamics of the unbalanced Dicke model—a generalization of the …