45 citations · 91 across the 6 of their papers we have counts for
6 papers
Chaos-assisted Turbulence in Spinor Bose-Einstein Condensates
Jongmin Kim, Jongheum Jung, Junghoon Lee +2
We present a turbulence-sustaining mechanism in a spinor Bose-Einstein condensate, which is based on the chaotic nature of internal spin dynamics. Magnetic driving induces a comple…
Spin-driven stationary turbulence in spinor Bose-Einstein condensates
Deokhwa Hong, Junghoon Lee, Jongmin Kim +4
We report the observation of stationary turbulence in antiferromagnetic spin-1 Bose-Einstein condensates driven by a radio-frequency magnetic field. The magnetic driving injects en…
Critical Energy Dissipation in a Binary Superfluid Gas by a Moving Magnetic Obstacle
Joon Hyun Kim, Deokhwa Hong, Kyuhwan Lee +1
We study the critical energy dissipation in an atomic superfluid gas with two symmetric spin components by an oscillating magnetic obstacle. Above a certain critical oscillation fr…
Crossover from weak to strong quench in a spinor Bose-Einstein condensate
Seji Kang, Deokhwa Hong, Joon Hyun Kim +1
We investigate the early-time dynamics of a quasi-two-dimensional spin-1 antiferromagnetic Bose-Einstein condensate after a sudden quench from the easy-plane to the easy-axis polar…
Observation of Two Sound Modes in a Binary Superfluid Gas
Joon Hyun Kim, Deokhwa Hong, Yong-il Shin
We study the propagation of sound waves in a binary superfluid gas with two symmetric components. The binary superfluid is constituted using a Bose-Einstein condensate of Na…
Metastable hard-axis polar state of a spinor Bose-Einstein condensate under a magnetic field gradient
Joon Hyun Kim, Deokhwa Hong, Seji Kang +1
We investigate the stability of a hard-axis polar state in a spin-1 antiferromagnetic Bose-Einstein condensate under a magnetic field gradient, where the easy-plane spin anisotropy…