117 citations · 452 across the 11 of their papers we have counts for
11 papers
The Bose polaron as thermometer of a trapped Bose gas: a quantum Monte Carlo study
Tomasz Wasak, Gerard Pascual, Gregory E. Astrakharchik +2
Quantum impurities interacting with quantum environments offer unique insights into many-body systems. Here, we explore the thermometric potential of a neutral impurity immersed in…
Universal Properties of Anisotropic Dipolar Bosons in Two Dimensions
J. Sánchez-Baena, L. A. Peña Ardila, G. Astrakharchik +1
The energy of ultra-dilute quantum many-body systems is known to exhibit a universal dependence on the gas parameter , with the density, the dimensionality of th…
The origin of the period- quasi-breathing in disk-shaped Gross-Pitaevskii breathers
J. Torrents, V. Dunjko, M. Gonchenko +2
We address the origins of the quasi-periodic breathing observed in [Phys. Rev.\ X vol. 9, 021035 (2019)] in disk-shaped harmonically trapped two-dimensional Bose condensates, where…
Hole-induced anomaly in the thermodynamic behavior of a one-dimensional Bose gas
Giulia De Rosi, Riccardo Rota, Grigori E. Astrakharchik +1
We reveal an intriguing anomaly in the temperature dependence of the specific heat of a one-dimensional Bose gas. The observed peak holds for arbitrary interaction and remembers a…
Polaron Interactions and Bipolarons in One-Dimensional Bose Gases in the Strong Coupling Regime
Martin Will, Gregory E. Astrakharchik, Michael Fleischhauer
Bose polarons, quasi-particles composed of mobile impurities surrounded by cold Bose gas, can experience strong interactions mediated by the many-body environment and form bipolaro…
Strong coupling Bose polarons in a two-dimensional gas
L. A. Peña Ardila, G. E. Astrakharchik, S. Giorgini
We study the properties of Bose polarons in two dimensions using quantum Monte Carlo techniques. Results for the binding energy, the effective mass, and the quasiparticle residue a…