326 citations · 1.3k across the 16 of their papers we have counts for
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Macroscopic Self-Trapping and Dynamical Phase Transition in Momentum Space Bose-Einstein Condensates
Colby Schimelfenig, Federico Serrano, Corey Halverson +3
Self-trapping is a hallmark phenomenon of nonlinear dynamics. It has significant applications in modern physics, including band structure engineering, phase transition dynamics, qu…
Nonlinear stage of modulational instability in repulsive two-component Bose-Einstein condensates
S. Mossman, S. I. Mistakidis, G. C. Katsimiga +5
Modulational instability (MI) is a fundamental phenomenon in the study of nonlinear dynamics, spanning diverse areas such as shallow water waves, optics, and ultracold atomic gases…
Observation of Momentum Space Josephson Effects
Annesh Mukhopadhyay, Xi-Wang Luo, Colby Schimelfenig +4
The momentum space Josephson effect describes the supercurrent flow between weakly coupled Bose-Einstein condensates (BECs) at two discrete momentum states. Here, we experimentally…
Observation of dense collisional soliton complexes in a two-component Bose-Einstein condensate
S. Mossman, G. C. Katsimiga, S. I. Mistakidis +5
Solitons are nonlinear solitary waves which maintain their shape over time and through collisions, occurring in a variety of nonlinear media from plasmas to optics. We present an e…
Non-exponential tunneling due to mean-field induced swallowtails
Q. Guan, M. K. H. Ome, T. M. Bersano +3
Typically, energy levels change without bifurcating in response to a change of a control parameter. Bifurcations can lead to loops or swallowtails in the energy spectrum. The simpl…
Observation and Analysis of Multiple Dark-Antidark Solitons in Two-Component Bose-Einstein Condensates
G. C. Katsimiga, S. I. Mistakidis, T. M. Bersano +6
We report on the static and dynamical properties of multiple dark-antidark solitons (DADs) in two-component, repulsively interacting Bose-Einstein condensates. Motivated by experim…
Vector Dark-Antidark Solitary Waves in Multi-Component Bose-Einstein condensates
I. Danaila, M. A. Khamehchi, V. Gokhroo +2
Multi-component Bose-Einstein condensates exhibit an intriguing variety of nonlinear structures. In recent theoretical work, the notion of magnetic solitons has been introduced. He…
Spin-orbit coupled Bose-Einstein condensates in a one-dimensional optical lattice
C. Hamner, Yongping Zhang, M. A. Khamehchi +2
The realization of artificial gauge fields and spin-orbit coupling for ultra-cold quantum gases promises new insight into paradigm solid state systems. Here we experimentally probe…
Phase Winding a Two-Component BEC in an Elongated Trap: Experimental Observation of Moving Magnetic Orders and Dark-bright Solitons
C. Hamner, Yongping Zhang, J. J. Chang +2
We experimentally investigate the phase winding dynamics of a harmonically trapped two-component BEC subject to microwave induced Rabi oscillations between two pseudospin component…
Scattering of atomic dark-bright solitons from narrow impurities
A. Álvarez, J. Cuevas, F. R. Romero +5
In this work, we study the collision of an atomic dark-bright soliton, in a two-component Bose-Einstein condensate, with a Gaussian barrier or well. First, we present the results o…
Beating dark-dark solitons in Bose-Einstein condensates
D. Yan, J. J. Chang, C. Hamner +6
Motivated by recent experimental results, we study beating dark-dark solitons as a prototypical coherent structure that emerges in two-component Bose-Einstein condensates. We showc…
Multiple dark-bright solitons in atomic Bose-Einstein condensates
D. Yan, J. J. Chang, C. Hamner +6
We present experimental results and a systematic theoretical analysis of dark-br ight soliton interactions and multiple-dark-bright soliton complexes in atomic t wo-component Bose-…
Dark-dark solitons and modulational instability in miscible, two-component Bose-Einstein condensates
M. A. Hoefer, J. J. Chang, C. Hamner +1
We investigate the dynamics of two miscible superfluids experiencing fast counterflow in a narrow channel. The superfluids are formed by two distinguishable components of a trapped…
Dynamics of Dark-Bright Solitons in Cigar-Shaped Bose-Einstein Condensates
S. Middelkamp, J. J. Chang, C. Hamner +6
We explore the stability and dynamics of dark-bright solitons in two-component elongated Bose-Einstein condensates by developing effective 1D vector equations as well as solving th…
Generation of dark-bright soliton trains in superfluid-superfluid counterflow
C. Hamner, J. J. Chang, P. Engels +1
The dynamics of two penetrating superfluids exhibit an intriguing variety of nonlinear effects. Using two distinguishable components of a Bose-Einstein condensate, we investigate t…