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6 papers · 2 filters
Reentrant behavior of the breathing-mode-oscillation frequency in a one-dimensional Bose gas
A. Iu. Gudyma, G. E. Astrakharchik, Mikhail B. Zvonarev
We calculate the breathing mode frequency in a one-dimensional Bose gas confined to a harmonic trap of frequency . We predict Exciting temporal oscillations of the density…
Stable dilute supersolid of two-dimensional dipolar bosons
Zhen-Kai Lu, Yun Li, D. S. Petrov +1
We consider two-dimensional bosonic dipoles oriented perpendicularly to the plane. On top of the usual two-body contact and long-range dipolar interactions we add a contact three-b…
Interference effects in the two-dimensional scattering of microcavity polaritons by an obstacle: phase dislocations and resonances
A. M. Kamchatnov, N. Pavloff
We consider interference effects within the linear description of the scattering of two-dimensional microcavity polaritons by an obstacle. The polariton wave may exhibit phase disl…
The three-body parameter for Efimov states in lithium-6
Bo Huang, Kenneth M. O'Hara, Rudolf Grimm +2
We present a state-of-the-art reanalysis of experimental results on Efimov resonances in the three-fermion system of Li. We discuss different definitions of the 3-body paramete…
Quantum signature of analog Hawking radiation in momentum space
D. Boiron, A. Fabbri, P. -É. Larré +3
We consider a sonic analog of a black hole realized in the one-dimensional flow of a Bose-Einstein condensate. Our theoretical analysis demonstrates that one- and two-body momentum…
Elastic Multi-Body Interactions on a Lattice
D. S. Petrov
We show that by coupling two hyperfine states of an atom in an optical lattice one can independently control two-, three-, and four-body on-site interactions in a non-perturbative…