Impurities and polarons in bosonic quantum gases: a review on recent progress

F Grusdt, N Mostaan, E Demler, LAP Ardila - arXiv preprint arXiv …, 2024 - arxiv.org
This review describes the field of Bose polarons, arising when mobile impurities are
immersed into a bosonic quantum gas. The latter can be realized by a Bose-Einstein …

Dynamics of relaxation and dressing of a quenched Bose polaron

D Boyanovsky, D Jasnow, XL Wu, RC Coalson - Physical Review A, 2019 - APS
We study the nonequilibrium dynamics of relaxation and dressing of a mobile impurity with
velocity v, suddenly immersed, or quenched, into a zero-temperature homogeneous Bose …

Impurity in a heteronuclear two-component Bose mixture

G Bighin, A Burchianti, F Minardi, T Macrì - Physical Review A, 2022 - APS
We study the fate of an impurity in an ultracold heteronuclear Bose mixture, focusing on the
experimentally relevant case of a K 41-Rb 87 mixture, with the impurity in a K 41 hyperfine …

Correlated quantum dynamics of two quenched fermionic impurities immersed in a Bose-Einstein condensate

SI Mistakidis, L Hilbig, P Schmelcher - Physical Review A, 2019 - APS
We unravel the nonequilibrium dynamics of two fermionic impurities immersed in a one-
dimensional bosonic gas following an interspecies interaction quench. Monitoring the …

Polarons and their induced interactions in highly imbalanced triple mixtures

K Keiler, SI Mistakidis, P Schmelcher - Physical Review A, 2021 - APS
We unravel the polaronic properties of impurities immersed in a correlated trapped one-
dimensional Bose-Bose mixture. This setup allows the impurities to couple either attractively …

Bose polaron in spherical trap potentials: Spatial structure and quantum depletion

J Takahashi, R Imai, E Nakano, K Iida - Physical Review A, 2019 - APS
We investigate how the presence of a localized impurity in a Bose-Einstein condensate of
trapped cold atoms that interact with each other weakly and repulsively affects the profile of …

Study of RbCl quantum pseudo-dot qubits using Shannon and Laplace entropies

M Servatkhah - Optical and Quantum Electronics, 2020 - Springer
In this work, an electron was considered which is coupled to the LO-phonon in RbCl
quantum pseudo-dot. The Pekar variational method was used to calculate the …

Simulating Quantum Many-Body States with Neural-Network Exponential Ansatz

W Zeng, J Zhang, L Chen… - arXiv preprint arXiv …, 2024 - arxiv.org
Preparing quantum many-body states on classical or quantum devices is a very challenging
task that requires accounting for exponentially large Hilbert spaces. Although this complexity …

Study of Extensive and Nonextensive Entropy of RbCl Quantum Well Qubit in an Asymmetric Gaussian Potential

M Habibinejad, A Ghanbari - Journal of Low Temperature Physics, 2021 - Springer
We have presented extensive and nonextensive entropy of RbCl quantum well qubits
(QWQ). To this end, we have considered an electron that is coupled to the LO-phonon in …

Diagrammatic Monte Carlo for electronic correlation in molecules: High-order many-body perturbation theory with low scaling

G Bighin, QP Ho, M Lemeshko, TV Tscherbul - Physical Review B, 2023 - APS
We present a low-scaling diagrammatic Monte Carlo approach to molecular correlation
energies. Using combinatorial graph theory to encode many-body Hugenholtz diagrams, we …