Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Kwon, Woo Jin"'
Autor:
Pezzè, Luca, Xhani, Klejdja, Daix, Cyprien, Grani, Nicola, Donelli, Beatrice, Scazza, Francesco, Hernandez-Rajkov, Diego, Kwon, Woo Jin, Del Pace, Giulia, Roati, Giacomo
Arrays of Josephson junctions are at the forefront of research on quantum circuitry for quantum computing, simulation and metrology. They provide a testing bed for exploring a variety of fundamental physical effects where macroscopic phase coherence,
Externí odkaz:
http://arxiv.org/abs/2311.05523
Autor:
Kleinbach, Kathrin S., Meinert, Florian, Engel, Felix, Kwon, Woo Jin, Löw, Robert, Pfau, Tilman, Raithel, Georg
Publikováno v:
Phys. Rev. Lett. 118, 223001 (2017)
We report on a novel method for photo-association of strongly polar trilobite Rydberg molecules. This exotic ultralong-range dimer, consisting of a ground-state atom bound to the Rydberg electron via electron-neutral scattering, inherits its polar ch
Externí odkaz:
http://arxiv.org/abs/1703.01096
Akademický článek
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We report on the experimental observation of vortex cluster shedding from a moving obstacle in an oblate atomic Bose-Einstein condensate. At low obstacle velocities $v$ above a critical value, vortex clusters consisting of two like-sign vortices are
Externí odkaz:
http://arxiv.org/abs/1608.02762
Publikováno v:
Phys. Rev. A 94, 033612 (2016)
In recent experiments, the relaxation dynamics of highly oblate, turbulent Bose-Einstein condensates (BECs) was investigated by measuring the vortex decay rates in various sample conditions [Phys. Rev. A $\bf 90$, 063627 (2014)] and, separately, the
Externí odkaz:
http://arxiv.org/abs/1607.00092
Publikováno v:
Phys. Rev. Lett. 116, 185301 (2016)
We present an experimental study on the interaction and dynamics of half-quantum vortices (HQVs) in an antiferromagnetic spinor Bose-Einstein condensate. By exploiting the orbit motion of a vortex dipole in a trapped condensate, we perform a collisio
Externí odkaz:
http://arxiv.org/abs/1512.07696
Publikováno v:
Physical Review A 92, 051601(R) (2015)
We investigate the dissipative dynamics of a corotating vortex pair in a highly oblate axisymmetric Bose-Einstein condensate trapped in a harmonic potential. The initial vortex state is prepared by creating a doubly charged vortex at the center of th
Externí odkaz:
http://arxiv.org/abs/1509.02236
Publikováno v:
Phys. Rev. A 92, 033613 (2015)
We investigate vortex shedding from a moving penetrable obstacle in a highly oblate Bose-Einstein condensate. The penetrable obstacle is formed by a repulsive Gaussian laser beam that has the potential barrier height lower than the chemical potential
Externí odkaz:
http://arxiv.org/abs/1508.00958
Publikováno v:
Phys. Rev. Lett. 115, 015301 (2015)
We report on the observation of half-quantum vortices (HQVs) in the easy-plane polar phase of an antiferromagnetic spinor Bose-Einstein condensate. Using in situ magnetization-sensitive imaging, we observe that pairs of HQVs with opposite core magnet
Externí odkaz:
http://arxiv.org/abs/1503.05648
Publikováno v:
Phys. Rev. A 91, 053615 (2015)
We present measurements of the critical velocity for vortex shedding in a highly oblate Bose-Einstein condensate with a moving repulsive Gaussian laser beam. As a function of the barrier height $V_0$, the critical velocity $v_c$ shows a dip structure
Externí odkaz:
http://arxiv.org/abs/1502.03542