446 citations · 1.2k across the 13 of their papers we have counts for
14 papers
Analog Simulation of Massive Relativistic Quantum Fields in 2 + 1 Dimensions
Yansheng Zhang, Feiyang Wang, Paul H. C. Wong +8
Quantum field theories provide fundamental models of complex interacting systems, from high-energy physics and cosmology to condensed matter. However, solving these models in non-p…
Suppression and enhancement of bosonic stimulation by atomic interactions
Konstantinos Konstantinou, Yansheng Zhang, Paul H. C. Wong +7
The tendency of identical bosons to bunch, seen in the Hanbury Brown-Twiss effect and Bose-Einstein condensation, is a hallmark of quantum statistics. This bunching can enhance the…
Phases, instabilities and excitations in a two-component lattice model with photon-mediated interactions
Leon Carl, Rodrigo Rosa-Medina, Sebastian D. Huber +3
Engineering long-range interacting spin systems with ultra cold atoms offers the possibility to explore exotic magnetically ordered phases in strongly-correlated scenarios. Quantum…
Emergence of isotropy and dynamic scaling in 2D wave turbulence in a homogeneous Bose gas
Maciej Gałka, Panagiotis Christodoulou, Martin Gazo +4
We realise a turbulent cascade of wave excitations in a homogeneous 2D Bose gas, and probe on all relevant time and length scales how it builds up from small to large momenta, unti…
Observing dynamical currents in a non-Hermitian momentum lattice
Rodrigo Rosa-Medina, Francesco Ferri, Fabian Finger +6
We report on the experimental realization and detection of dynamical currents in a spin-textured lattice in momentum space. Collective tunneling is implemented via cavity-assisted…
Emerging dissipative phases in a superradiant quantum gas with tunable decay
Francesco Ferri, Rodrigo Rosa-Medina, Fabian Finger +5
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 character…
Observation of first and second sound in a BKT superfluid
Panagiotis Christodoulou, Maciej Gałka, Nishant Dogra +3
Superfluidity in its various forms has fascinated scientists since the observation of frictionless flow in liquid helium II. In three spatial dimensions (3D), it is conceptually as…
Generation, manipulation and detection of snake state trajectories of a neutral atom in a ring-cavity
Poornima Shakya, Nishant Dogra, Sankalpa Ghosh
We propose a set-up to create and detect the atomic counterpart of snake state trajectories which occur at the interface where the magnetic field reverses direction. Such a magneti…
Continuous feedback on a quantum gas coupled to an optical cavity
Katrin Kroeger, Nishant Dogra, Rodrigo Rosa-Medina +4
We present an active feedback scheme acting continuously on the state of a quantum gas dispersively coupled to a high-finesse optical cavity. The quantum gas is subject to a transv…
Dissipation Induced Structural Instability and Chiral Dynamics in a Quantum Gas
Nishant Dogra, Manuele Landini, Katrin Kroeger +3
Dissipative and unitary processes define the evolution of a many-body system. Their interplay gives rise to dynamical phase transitions and can lead to instabilities. We discovered…
Formation of a spin texture in a quantum gas coupled to a cavity
M. Landini, N. Dogra, K. Kroeger +3
We observe cavity mediated spin-dependent interactions in an off-resonantly driven multi-level atomic Bose-Einstein condensate that is strongly coupled to an optical cavity. Applyi…
Metastability and avalanche dynamics in strongly-correlated gases with long-range interactions
Lorenz Hruby, Nishant Dogra, Manuele Landini +2
We experimentally study the stability of a bosonic Mott-insulator against the formation of a density wave induced by long-range interactions, and characterize the intrinsic dynamic…
Phase Transitions in a Bose-Hubbard Model with Cavity-Mediated Global-Range Interactions
N. Dogra, F. Brennecke, S. D. Huber +1
We study a system with competing short- and global-range interactions in the framework of the Bose-Hubbard model. Using a mean-field approximation we obtain the phase diagram of th…
Quantum phases from competing short- and long-range interactions in an optical lattice
Renate Landig, Lorenz Hruby, Nishant Dogra +4
Insights into complex phenomena in quantum matter can be gained from simulation experiments with ultracold atoms, especially in cases where theoretical characterization is challeng…