dc.identifier.uri |
http://dx.doi.org/10.15488/14210 |
|
dc.identifier.uri |
https://www.repo.uni-hannover.de/handle/123456789/14324 |
|
dc.contributor.author |
Astrakharchik, Grigory E.
|
|
dc.contributor.author |
Ardila, Luis A. Peña
|
|
dc.contributor.author |
Schmidt, Richard
|
|
dc.contributor.author |
Jachymski, Krzysztof
|
|
dc.contributor.author |
Negretti, Antonio
|
|
dc.date.accessioned |
2023-07-20T10:57:09Z |
|
dc.date.available |
2023-07-20T10:57:09Z |
|
dc.date.issued |
2021 |
|
dc.identifier.citation |
Astrakharchik, G.E.; Ardila, L.A.P.; Schmidt, R.; Jachymski, K.; Negretti, A.: Ionic polaron in a Bose-Einstein condensate. In: Communications Physics 4 (2021), 94. DOI: https://doi.org/10.1038/s42005-021-00597-1 |
|
dc.description.abstract |
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 weakly interacting bosonic medium the competition of length scales gives rise to a highly correlated mesoscopic state. Using quantum Monte Carlo simulations, we unravel its vastly different polaronic properties compared to neutral quantum impurities. Moreover, we identify a transition between the regime amenable to conventional perturbative treatment in the limit of weak atom-ion interactions and a many-body bound state with vanishing quasi-particle residue composed of hundreds of atoms. In order to analyze the structure of the corresponding states, we examine the atom-ion and atom-atom correlation functions which both show nontrivial properties. Our findings are directly relevant to experiments using hybrid atom-ion setups that have recently attained the ultracold regime. |
eng |
dc.language.iso |
eng |
|
dc.publisher |
London : Springer Nature |
|
dc.relation.ispartofseries |
Communications Physics 4 (2021) |
|
dc.rights |
CC BY 4.0 Unported |
|
dc.rights.uri |
https://creativecommons.org/licenses/by/4.0 |
|
dc.subject |
Atoms |
eng |
dc.subject |
Ions |
eng |
dc.subject |
Monte Carlo methods |
eng |
dc.subject |
Polarons |
eng |
dc.subject |
Statistical mechanics |
eng |
dc.subject.ddc |
530 | Physik
|
|
dc.title |
Ionic polaron in a Bose-Einstein condensate |
eng |
dc.type |
Article |
|
dc.type |
Text |
|
dc.relation.essn |
2399-3650 |
|
dc.relation.doi |
https://doi.org/10.1038/s42005-021-00597-1 |
|
dc.bibliographicCitation.volume |
4 |
|
dc.bibliographicCitation.firstPage |
94 |
|
dc.description.version |
publishedVersion |
|
tib.accessRights |
frei zug�nglich |
|