195 citations · 655 across the 19 of their papers we have counts for
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Quantum Cherenkov transition of finite momentum Bose polarons
Kushal Seetharam, Yulia Shchadilova, Fabian Grusdt +2
We investigate the behavior of a finite-momentum impurity immersed in a weakly interacting three-dimensional Bose-Einstein condensate (BEC) of ultra-cold atoms, giving a detailed a…
Dynamical quantum Cherenkov transition of fast impurities in quantum liquids
Kushal Seetharam, Yulia Shchadilova, Fabian Grusdt +2
The challenge of understanding the dynamics of a mobile impurity in an interacting quantum many-body medium comes from the necessity of including entanglement between the impurity…
Spectrum, Landau-Zener theory and driven-dissipative dynamics of a staircase of photons
J. Marino, Y. E. Shchadilova, M. Schleier-Smith +1
We study the production of photons in a model of three bosonic atomic modes non-linearly coupled to a cavity mode. In absence of external driving and dissipation, the energy levels…
Fermionic formalism for driven-dissipative multi-level systems
Yulia Shchadilova, Mor M. Roses, Emanuele G. Dalla Torre +2
We present a fermionic description of non-equilibrium multi-level systems. Our approach uses the Keldysh path integral formalism and allows us to take into account periodic drives,…
Strong coupling Bose polarons out of equilibrium: Dynamical RG approach
Fabian Grusdt, Kushal Seetharam, Yulia Shchadilova +1
When a mobile impurity interacts with a surrounding bath of bosons, it forms a polaron. Numerous methods have been developed to calculate how the energy and the effective mass of t…
Intertwined and vestigial order with ultracold atoms in multiple cavity modes
Sarang Gopalakrishnan, Yulia E. Shchadilova, Eugene Demler
Atoms in transversely pumped optical cavities "self-organize" by forming a density wave and emitting superradiantly into the cavity mode(s). For a single-mode cavity, the propertie…
Strong coupling Bose polarons in a BEC
Fabian Grusdt, Richard Schmidt, Yulia E. Shchadilova +1
We use a non-perturbative renormalization group approach to develop a unified picture of the Bose polaron problem, where a mobile impurity is strongly interacting with a surroundin…
Quantum dynamics of ultracold Bose polarons
Yulia E. Shchadilova, Richard Schmidt, Fabian Grusdt +1
We analyze the dynamics of Bose polarons in the vicinity of a Feshbach resonance between the impurity and host atoms. We compute the radio-frequency absorption spectra for the case…
Transient phases and dynamical transitions in the post quench evolution of the generalized Bose-Anderson model
Dmitry V. Chichinadze, Pedro Ribeiro, Yulia E. Shchadilova +1
The exact description of the time evolution of open correlated quantum systems remains one of the major challenges of the condensed matter theory, specially for asymptotic long tim…
Polaronic mass renormalization of impurities in BEC: correlated Gaussian wavefunction approach
Yulia E. Shchadilova, Fabian Grusdt, Alexey N. Rubtsov +1
We propose a class of variational Gaussian wavefunctions to describe Fröhlich polarons at finite momenta. Our wavefunctions give polaron energies that are in excellent agreement wi…
Two-dimensional Bose gas of tilted dipoles: roton instability and condensate depletion
A. K. Fedorov, I. L. Kurbakov, Y. E. Shchadilova +1
We predict the effect of the roton instability for a two-dimensional weakly interacting gas of tilted dipoles in a single homogeneous quantum layer. Being typical for strongly corr…