Multiconfigurational time-dependent Hartree method for bosons with internal degrees of freedom: Theory and composite fragmentation of multicomponent Bose …

AUJ Lode - Physical Review A, 2016 - APS
In this paper, the multiconfigurational time-dependent Hartree for bosons (MCTDHB) method
is derived for the case of N identical bosons with internal degrees of freedom. The theory for …

Localized modes in quasi-two-dimensional Bose-Einstein condensates with spin-orbit and Rabi couplings

L Salasnich, WB Cardoso, BA Malomed - Physical Review A, 2014 - APS
We consider a two-component pancake-shaped, ie, effectively two-dimensional (2D), Bose-
Einstein condensate coupled by the spin-orbit (SO) and Rabi terms. The SO coupling …

Tricriticalities and quantum phases in spin-orbit-coupled spin-1 Bose gases

GI Martone, FV Pepe, P Facchi, S Pascazio… - Physical Review Letters, 2016 - APS
We study the zero-temperature phase diagram of a spin-orbit-coupled Bose-Einstein
condensate of spin 1, with equally weighted Rashba and Dresselhaus couplings …

Spin-orbit-coupled Bose-Einstein condensates held under a toroidal trap

XF Zhang, M Kato, W Han, SG Zhang, H Saito - Physical Review A, 2017 - APS
We study a quasispin-1/2 Bose-Einstein condensate with synthetically generated spin-orbit
coupling in a toroidal trap and show that the system has a rich variety of ground states. As …

Phase separation in a spin-orbit-coupled Bose-Einstein condensate

S Gautam, SK Adhikari - Physical Review A, 2014 - APS
We study a spin-orbit (SO)-coupled hyperfine spin-1 Bose-Einstein condensate (BEC) in a
quasi-one-dimensional trap. For an SO-coupled BEC in a one-dimensional box, we show …

Modulational instability in binary spin-orbit-coupled Bose-Einstein condensates

IA Bhat, T Mithun, BA Malomed, K Porsezian - Physical Review A, 2015 - APS
We study modulation instability (MI) of flat states in two-component spin-orbit-coupled (SOC)
Bose-Einstein condensates (BECs) in the framework of coupled Gross-Pitaevskii equations …

Phantom vortices: hidden angular momentum in ultracold dilute Bose-Einstein condensates

SE Weiner, MC Tsatsos, LS Cederbaum, AUJ Lode - Scientific reports, 2017 - nature.com
Vortices are essential to angular momentum in quantum systems such as ultracold atomic
gases. The existence of quantized vorticity in bosonic systems stimulated the development …

Stationary solitary waves in spin-orbit-coupled Bose-Einstein condensates

T Mithun, AR Fritsch, GN Koutsokostas… - Physical Review A, 2024 - APS
We consider solitary wave excitations above the ground state of F= 1 spin-orbit-coupled
Bose-Einstein condensates (SOBECs). The low-energy properties of SOBECs in any of the …

Many-body tunneling dynamics of Bose-Einstein condensates and vortex states in two spatial dimensions

R Beinke, S Klaiman, LS Cederbaum, AI Streltsov… - Physical Review A, 2015 - APS
In this work, we study the out-of-equilibrium many-body tunneling dynamics of a Bose-
Einstein condensate in a two-dimensional radial double well. We investigate the impact of …

Fragmentation and correlations in a rotating Bose–Einstein condensate undergoing breakup

S Dutta, AUJ Lode, OE Alon - Scientific Reports, 2023 - nature.com
The theoretical investigation of rotating Bose–Einstein condensates has mainly focused on
the emergence of quantum vortex states and the condensed properties of such systems. In …