Supersolid Vortex Crystals in Rydberg-Dressed Bose-Einstein Condensates

被引:109
|
作者
Henkel, N. [1 ]
Cinti, F. [1 ,2 ]
Jain, P. [2 ]
Pupillo, G. [3 ,4 ,5 ,6 ,7 ]
Pohl, T. [1 ]
机构
[1] Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany
[2] Univ Alberta, Dept Phys, Edmonton, AB, Canada
[3] Univ Innsbruck, IQOQI, A-6020 Innsbruck, Austria
[4] Univ Innsbruck, Inst Theoret Phys, A-6020 Innsbruck, Austria
[5] Univ Strasbourg, ISIS, UMR 7006, Strasbourg, France
[6] Univ Strasbourg, IPCMS, UMR 7504, Strasbourg, France
[7] CNRS, Strasbourg, France
基金
欧洲研究理事会;
关键词
OPTICAL LATTICES; QUANTUM PHASES; SOLID HELIUM; ATOMS; GASES; SUPERFLUID; BLOCKADE; STATE; HE-4;
D O I
10.1103/PhysRevLett.108.265301
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We study rotating quasi-two-dimensional Bose-Einstein condensates, in which atoms are dressed to a highly excited Rydberg state. This leads to weak effective interactions that induce a transition to a mesoscopic supersolid state. Considering slow rotation, we determine its superfluidity using quantum Monte Carlo simulations as well as mean field calculations. For rapid rotation, the latter reveal an interesting competition between the supersolid crystal structure and the rotation-induced vortex lattice that gives rise to new phases, including arrays of mesoscopic vortex crystals.
引用
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页数:5
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