Details
| Original language | English |
|---|---|
| Article number | L021302 |
| Journal | Physical Review A |
| Volume | 107 |
| Issue number | 2 |
| Publication status | Published - Feb 2023 |
Abstract
Breakthrough experiments have newly explored the fascinating physics of dipolar quantum droplets and supersolids. The recent realization of dipolar mixtures opens further intriguing possibilities. We show that under rather general conditions, the presence of a second component catalyzes droplet nucleation and supersolidity in an otherwise unmodulated condensate. Droplet catalyzation in miscible mixtures, which may occur even for a surprisingly small impurity doping, results from a local roton instability triggered by the doping-dependent modification of the effective dipolar strength. The catalyzation mechanism may trigger the formation of a two-fluid supersolid, characterized by a generally different superfluid fraction of each component, which opens intriguing possibilities for the future study of spin physics in dipolar supersolids.
ASJC Scopus subject areas
- Physics and Astronomy(all)
- Atomic and Molecular Physics, and Optics
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In: Physical Review A, Vol. 107, No. 2, L021302, 02.2023.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Catalyzation of supersolidity in binary dipolar condensates
AU - Scheiermann, D.
AU - Ardila, L. A.Peña
AU - Bland, T.
AU - Bisset, R. N.
AU - Santos, L.
N1 - Funding Information: Acknowledgments. We thank V. Cikojevic for his contribution during the first stages of this work. We acknowledge support of the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy—EXC-2123 QuantumFrontiers—Grants No. 390837967 and No. FOR 2247. T.B. acknowledges funding from FWF Grant No. I4426 2019.
PY - 2023/2
Y1 - 2023/2
N2 - Breakthrough experiments have newly explored the fascinating physics of dipolar quantum droplets and supersolids. The recent realization of dipolar mixtures opens further intriguing possibilities. We show that under rather general conditions, the presence of a second component catalyzes droplet nucleation and supersolidity in an otherwise unmodulated condensate. Droplet catalyzation in miscible mixtures, which may occur even for a surprisingly small impurity doping, results from a local roton instability triggered by the doping-dependent modification of the effective dipolar strength. The catalyzation mechanism may trigger the formation of a two-fluid supersolid, characterized by a generally different superfluid fraction of each component, which opens intriguing possibilities for the future study of spin physics in dipolar supersolids.
AB - Breakthrough experiments have newly explored the fascinating physics of dipolar quantum droplets and supersolids. The recent realization of dipolar mixtures opens further intriguing possibilities. We show that under rather general conditions, the presence of a second component catalyzes droplet nucleation and supersolidity in an otherwise unmodulated condensate. Droplet catalyzation in miscible mixtures, which may occur even for a surprisingly small impurity doping, results from a local roton instability triggered by the doping-dependent modification of the effective dipolar strength. The catalyzation mechanism may trigger the formation of a two-fluid supersolid, characterized by a generally different superfluid fraction of each component, which opens intriguing possibilities for the future study of spin physics in dipolar supersolids.
UR - http://www.scopus.com/inward/record.url?scp=85149718062&partnerID=8YFLogxK
U2 - 10.48550/arXiv.2202.08259
DO - 10.48550/arXiv.2202.08259
M3 - Article
AN - SCOPUS:85149718062
VL - 107
JO - Physical Review A
JF - Physical Review A
SN - 2469-9926
IS - 2
M1 - L021302
ER -