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Formation and dynamics of self-bound droplets in dipolar molecular condensate
Xinyi Tang, Tianmiao Zhang, Zibin Zhao +5
We study self-bound quantum droplets in the regime dominated by microwave-induced non-axisymmetric dipole-dipole interactions, using the extended Gross-Pitaevskii equation with the…
Anomalous Topological Bloch Oscillations under Non-Abelian Gauge Fields
Chunyan Li, Ce Shang, Boris A. Malomed
Topological Bloch oscillations are a hallmark of quantum transport phenomenon in which wavepackets undergo oscillatory motion driven by the interplay between an external force and…
An amended Ehrenfest theorem for the Gross-Pitaevskii equation in one- and two-dimensional potential boxes
Hidetsugu Sakaguchi, Boris A. Malomed
It is known that the usual form of the Ehrenfest theorem (ET), which couples the motion of the center of mass (COM) of the one-dimensional (1D) wave function to the respective clas…
Quantum-droplet interferometry
Sriganapathy Raghav, Boris Malomed, Utpal Roy
We propose atom interferometers based on quantum droplet (QD), which is also being reported as a superior platform for interferometry. The emphasis has been given to harmonic-oscil…
The bulk modulus of three-dimensional quantum droplets
Zibin Zhao, Guilong Li, Zhaopin Chen +4
Quantum droplets (QDs), formed by ultradilute quantum fluids under the action of the Lee-Huang-Yang (LHY) effect, provide a unique platform for investigating a wide range of macros…
Phase transitions and dynamics of one-dimensional solitons in spin-orbit-coupled Bose-Bose mixtures
Gui-hua Chen, Hongcheng Wang, Boris A. Malomed +2
We investigate the formation, stability, and dynamics of solitons in a one-dimensional binary Bose-Einstein condensate under the action of the spin-orbit-coupling (SOC) and Lee-Hua…
Nonlinear management of the miscibility-immiscibility transition in binary Bose-Einstein condensates
B. B. Baizakov, B. A. Malomed, M. Salerno
We investigate application of the nonlinearity management (NM, i.e., periodic variation of the strength of the inter-component repulsion) to the miscibility-immiscibility (MIM) tra…
Stable hopfions in trapped quantum droplets
Zibin Zhao, Guilong Li, Huanbo Luo +4
Hopfions are a class of three-dimensional (3D) solitons which are built as vortex tori carrying intrinsic twist of the toroidal core. They are characterized by two independent topo…
Beating stripe solitons arising from helicoidal spin-orbit coupling in Bose-Einstein condensates
Cui-Cui Ding, Qin Zhou, B. A. Malomed
We demonstrate that the model of a spatially non-uniform two-component Bose-Einstein condensate (BEC) featuring the helicoidal spin-orbit coupling (SOC), gives rise to dark-bright…
Elongated vortex quantum droplets in binary Bose-Einstein condensates
Guilong Li, Zibin Zhao, Rui Zhang +4
Stability of elongated (``slender") quantum droplets (QDs) with embedded unitary and multiple vorticity is a problem that was not solved previously. In this work, we propose a solu…
Ground-state phase transitions in spin-1 Bose-Einstein condensates with spin-orbit coupling
Xin-Feng Zhang, Yuan-Fen Liu, Huan-Bo Luo +4
We investigate phase transitions of the ground state (GS) of spin-1 Bose-Einstein condensates under the combined action of the spin-orbit coupling (SOC) and gradient magnetic field…
Tightly bound solitons and vortices in three-dimensional bosonic condensates with the electromagnetically-induced gravity
Zibin Zhao, Guilong Li, Huanbo Luo +4
The long-range interaction, induced by laser illumination, offers a mechanism for the implementation of stable self-trapping in Bose-Einstein condensates (BECs) in the three-…
Can vortex quantum droplets be realized experimentally?
Guilong Li, Zibin Zhao, Bin Liu +3
The current state of research on vortices carried by quantum droplets (QDs) has predicted their existence, in the stable form, in two- and three-dimensional free-space binary Bose-…
Vector rogue waves in spin-1 Bose-Einstein condensates with spin-orbit coupling
Jun-Tao He, Hui-Jun Li, Ji Lin +1
We analytically and numerically study three-component rogue waves (RWs) in spin-1 Bose-Einstein condensates with Raman-induced spin-orbit coupling (SOC). Using the multiscale pertu…
Stable 3D vortex solitons of high topological charge in a Rydberg-dressed Bose-Einstein condensate with spin-orbit coupling
Yanchao Zhang, Chao Hang, Boris A. Malomed +1
Stable vortex solitons (VSs) are objects of great interest for fundamental studies and various applications, including particle trapping, microscopy, data encoding, and matter-wave…
Ultra-high-amplitude Peregrine solitons induced by helicoidal spin-orbit coupling
Cui-Cui Ding, Qin Zhou, B. A. Malomed
In the framework of the model of a spatially non-uniform Bose-Einstein condensate with helicoidal spin-orbit (SO) coupling, we find abnormal Peregrine solitons (PSs) on top of flat…
Three-dimensional solitons supported by the spin-orbit coupling and Rydberg-Rydberg interactions in PT-symmetric potentials
Yuan Zhao, Qihong Huang, Tixian Gong +3
Excited states (ESs) of two- and three-dimensional (2D and 3D) solitons of the semivortex (SV) and mixed-mode (MM) types, supported by the interplay of the spin-orbit coupling (SOC…
Rotating dipole and quadrupole quantum droplets in binary Bose-Einstein condensates
Dongshuai Liu, Yanxia Gao, Dianyuan Fan +2
Quantum droplets (QDs) are self-trapped modes stabilized by the Lee-Huang-Yang correction to the mean-field Hamiltonian of binary atomic Bose-Einstein condensates. The existence an…
Semi-vortex solitons and their excited states in spin-orbit-coupled binary bosonic condensates
Haiming Deng, Jinqing Li, Zhaopin Chen +5
It is known that two-dimensional two-component fundamental solitons of the semi-vortex (SV) type, with vorticities in their components, are stable ground stat…
Energy-level inversion for vortex states in spin-orbit coupled Bose-Einstein condensates
Huan-Bo Luo, Lu Li, Boris A. Malomed +2
We investigate vortex states in Bose-Einstein condensates under the combined action of the spin-orbit coupling (SOC), gradient magnetic field, and harmonic-oscillator trapping pote…
Stable higher-order vortex quantum droplets in an annular potential
Liangwei Dong, Mingjing Fan, Boris A. Malomed
We address the existence, stability, and evolution of two-dimensional vortex quantum droplets (VQDs) in binary Bose-Einstein condensates trapped in a ring-shaped potential. The int…
Two-dimensional quantum droplets in binary quadrupolar condensates
Aowei Yang, Jiahao Zhou, Xiaoqing Liang +5
We study the stability and characteristics of two-dimensional (2D) quasi-isotropic quantum droplets (QDs) of fundamental and vortex types, formed by binary Bose-Einstein condensate…
Angular-momentum modes in a bosonic condensate trapped in the inverse-square potential
Hidetsugu Sakaguchi, Boris A. Malomed
In the mean-field approximation, the well-known effect of the critical quantum collapse in a 3D gas of particles pulled to the center by potential U(r) = -U_0/r^2 is suppressed by…
Three-dimensional solitons in Rydberg-Dressed cold atomic gases with spin-orbit coupling
Yuan Zhao, Heng-Jie Hu, Qian-Qian Zhou +5
We present numerical results for three-dimensional (3D) solitons with symmetries of the semi-vortex (SV) and mixed-mode (MM) types, which can be created in spinor Bose-Einstein con…