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| 001 | 904590 | ||
| 005 | 20220318173145.0 | ||
| 024 | 7 | _ | |a 10.1038/s42005-021-00597-1 |2 doi |
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| 100 | 1 | _ | |a Astrakharchik, Grigory E. |0 P:(DE-HGF)0 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Ionic polaron in a Bose-Einstein condensate |
| 260 | _ | _ | |a London |c 2021 |b Springer Nature |
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| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a 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. |
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| 700 | 1 | _ | |a Ardila, Luis A. Peña |0 P:(DE-HGF)0 |b 1 |
| 700 | 1 | _ | |a Schmidt, Richard |0 0000-0003-2776-269X |b 2 |
| 700 | 1 | _ | |a Jachymski, Krzysztof |0 P:(DE-Juel1)176636 |b 3 |
| 700 | 1 | _ | |a Negretti, Antonio |0 P:(DE-HGF)0 |b 4 |
| 773 | _ | _ | |a 10.1038/s42005-021-00597-1 |g Vol. 4, no. 1, p. 94 |0 PERI:(DE-600)2921913-9 |n 1 |p 94 |t Communications Physics |v 4 |y 2021 |x 2399-3650 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/904590/files/s42005-021-00597-1.pdf |y OpenAccess |
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