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5 papers
Breathing mode in two-dimensional binary self-bound Bose gas droplets
Philipp Stürmer, Mikael Nilsson Tengstrand, Rashi Sachdeva +1
In this work, we present the study of the stationary structures and the breathing mode behavior of a two-dimensional self-bound binary Bose droplet. We employ an analytical approac…
Persistent Currents in Toroidal Dipolar Supersolids
M. Nilsson Tengstrand, D. Boholm, R. Sachdeva +2
We investigate the rotational properties of a dipolar Bose-Einstein condensate trapped in a toroidal geometry. Studying the ground states in the rotating frame and at fixed angular…
A two-state model for vortex nucleation in a rotating Bose-Einstein condensate
G. Eriksson, J. Bengtsson, G. M. Kavoulakis +1
It is well-known that a rotating Bose-Einstein condensate forms vortices to carry the angular momentum. For a first vortex to nucleate at the trap center, the rotational frequency…
Rotating binary Bose-Einstein condensates and vortex clusters in quantum droplets
M. Nilsson Tengstrand, P. Stürmer, E. Karabulut +1
Quantum droplets may form out of a gaseous Bose-Einstein condensate, stabilized by quantum fluctuations beyond mean field. We show that multiple singly-quantized vortices may form…
Bosonic Szilard Engine Assisted by Feshbach Resonances
J. Bengtsson, M. Nilsson Tengstrand, S. M. Reimann
It was recently found that the information-to-work conversion in a quantum Szilard engine can be increased by using a working medium of bosons with attractive interactions. In the…