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Ultradilute Low-Dimensional Liquids.

- D. Petrov, G. Astrakharchik
- PhysicsPhysical review letters
- 24 May 2016

TLDR

Dynamics of one-dimensional quantum droplets

- G. Astrakharchik, B. Malomed
- PhysicsPhysical Review A
- 19 March 2018

The structure and dynamics of one-dimensional binary Bose gases forming quantum droplets is studied by solving the corresponding amended Gross-Pitaevskii equation. Two physically different regimes… Expand

One-dimensional multicomponent Fermi gas in a trap: quantum Monte Carlo study

- N. Matveeva, G. Astrakharchik
- Physics
- 29 March 2016

One-dimensional world is very unusual as there is an interplay between quantum statistics and geometry, and a strong short-range repulsion between atoms mimics Fermi exclusion principle, fermionizing… Expand

Local density approximation for a perturbative equation of state (10 pages)

- G. Astrakharchik
- Physics
- 29 July 2005

Knowledge of a series expansion of the equation of state provides a deep insight into the physical nature of a quantum system. Starting from a generic ``perturbative'' equation of state of a… Expand

Liquid State of One-Dimensional Bose Mixtures: A Quantum Monte Carlo Study.

- L. Parisi, G. Astrakharchik, S. Giorgini
- PhysicsPhysical review letters
- 18 October 2018

TLDR

Fluctuations of the number of particles within a given volume in cold quantum gases

- G. Astrakharchik, R. Combescot, L. Pitaevskiĭ
- Physics
- 15 December 2007

In ultracold gases many experiments use atom imaging as a basic observable. The resulting image is averaged over a number of realizations and mostly only this average is used. Only recently the noise… Expand

Exact ground-state properties of a one-dimensional Coulomb gas

- G. Astrakharchik, M. Girardeau
- Physics
- 30 December 2010

The ground-state properties of a single-component one-dimensional Coulomb gas are investigated. We use Bose-Fermi mapping for the ground-state wave function which permits solution of the Fermi sign… Expand

Ionic polaron in a Bose-Einstein condensate

- G. Astrakharchik, L. A. P. Ardila, R. Schmidt, K. Jachymski, A. Negretti
- Physics
- 25 May 2020

The presence of strong interactions in a many-body quantum system can lead to a variety of exotic effects. Here we show that even in a comparatively simple setup consisting of a charged impurity in a… Expand

Trapped one-dimensional ideal Fermi gas with a single impurity

- G. Astrakharchik, I. Brouzos
- Physics
- 27 March 2013

Ground-state properties of a single impurity in a one-dimensional Fermi gas are investigated in uniform and trapped geometries. The energy of a trapped system is obtained (i) by generalizing the… Expand

Super-Tonks-Girardeau regime in trapped one-dimensional dipolar gases

- G. Astrakharchik, Y. Lozovik
- Physics
- 28 September 2007

Possible signatures of a super-Tonks-Girardeau gas in bosonic systems of trapped quasi-one-dimensional dipoles are discussed at zero temperature. We provide estimation of the frequency of the lowest… Expand

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