Observation of Vortex Pinning in Bose-Einstein Condensates
S. Tung, V. Schweikhard, E. A. Cornell
Abstract
We report the observation of vortex pinning in rotating gaseous Bose-Einstein condensates (BEC). The vortices are pinned to columnar pinning sites created by a co-rotating optical lattice superimposed on the rotating BEC. We study the effects of two different types of optical lattice, triangular and square. With both geometries we see an orientation locking between the vortex and the optical lattices. At sufficient intensity the square optical lattice induces a structural cross-over in the vortex lattice.
Create a lesson
Related papers
Non-Hermitian Skin Effect from Radiative Coupling in a Reciprocal Chiral Medium
Kin Hung Fung, Changhao Meng, Yixin Xiao et al.
Landau Theory for Commensurate Charge-Density Waves Coupled to Uniform Lattice Deformation
Keiji Nakatsugawa, Toshiyuki Fujii, Satoshi Tanda
PCB-Integrated CoPt Micromagnets for Magnetophoresis
Melissa Mitchell, Henrique Mira, Simon Bending et al.
Raman magnon spectroscopy of local interactions and ground state selection in Sr2IrO4
Xiang Li, Scott E. Cooper, Ahmed E. Fahmy et al.
Nonreciprocal Control of the Goos--Hänchen Shift via the Barnett Effect in Cavity Magnomechanics
Shah Fahad, Gao Xianlong
Theory of the Spinon-Mediated Witness Spin Glass in Herbertsmithite
Mitikorn Wood-Thanan, Felix Flicker