DYNAMICS OF CIGAR-SHAPED BOSE-EINSTEIN CONDENSATES WITH THREE-BODY RECOMBINATION AND EXTERNAL FEEDING IN VARIABLE SHAPE OPTICAL LATTICES

2020 ◽  
Vol 32 (1) ◽  
pp. 1-19 ◽  
Author(s):  
Maïk Delon Mboumba
Keyword(s):  
Optical Lattices ◽  
Variable Shape ◽  
Three Body ◽  
Bose Einstein ◽  
External Feeding ◽  
Body Recombination

scholarly journals Inhibiting Three-Body Recombination in Atomic Bose-Einstein Condensates

2004 ◽  
Vol 92 (14) ◽  
Author(s):  
Chris P. Search ◽  
Weiping Zhang ◽  
Pierre Meystre
Keyword(s):  
Three Body ◽  
Bose Einstein ◽  
Body Recombination

Variational approach for two-component condensates dynamics with two- and three-body interactions and external feeding

2015 ◽  
Vol 29 (29) ◽  
pp. 1550202 ◽  
Author(s):  
Maïk Delon Mboumba ◽  
Alain Brice Moubissi ◽  
Thierry Blanchard Ekogo ◽  
Germain Hubert Ben-Bolie ◽  
Timoléon Crépin Kofane
Keyword(s):  
Variational Approach ◽  
Optical Lattices ◽  
Dynamical Behavior ◽  
Numerical Results ◽  
Two Component ◽  
The Stability ◽  
Three Body ◽  
External Feeding ◽  
Good Agreement ◽  
Number Of Particles

We study theoretically and numerically the dynamical behavior of two-component condensates with two- and three-body interactions in variable shape optical lattices and external feeding. By means of the variational approach, the evolution of the condensate amplitudes, widths and number of particles are investigated. The stability of stationary two-component solitons are derived through the Vakhitov–Kolokolov criterion which depends on the cubic and quintic nonlinearities. Direct numerical results of the two coupled Gross–Piteavskii equations (GPEs) which describe the dynamics of the two-component condensates are found to be in good agreement with the analytical predictions.

scholarly journals Three-body recombination calculations with a two-body mapped grid method

2021 ◽  
Vol 103 (3) ◽  
Author(s):  
T. Secker ◽  
J.-L. Li ◽  
P. M. A. Mestrom ◽  
S. J. J. M. F. Kokkelmans
Keyword(s):  
Grid Method ◽  
Three Body ◽  
Body Recombination

scholarly journals Atomic-state-dependent screening model for hot and warm dense plasmas

2021 ◽  
Vol 4 (1) ◽  
Author(s):  
Fuyang Zhou ◽  
Yizhi Qu ◽  
Junwen Gao ◽  
Yulong Ma ◽  
Yong Wu ◽  
...  
Keyword(s):  
Radiation Transport ◽  
Atomic State ◽  
Many Body ◽  
Dense Plasmas ◽  
Screening Model ◽  
State Dependent ◽  
Recombination Processes ◽  
Three Body ◽  
Many Body Interactions ◽  
Body Recombination

AbstractAn ion embedded in warm/hot dense plasmas will greatly alter its microscopic structure and dynamics, as well as the macroscopic radiation transport properties of the plasmas, due to complicated many-body interactions with surrounding particles. Accurate theoretically modeling of such kind of quantum many-body interactions is essential but very challenging. In this work, we propose an atomic-state-dependent screening model for treating the plasmas with a wide range of temperatures and densities, in which the contributions of three-body recombination processes are included. We show that the electron distributions around an ion are strongly correlated with the ionic state studied due to the contributions of three-body recombination processes. The feasibility and validation of the proposed model are demonstrated by reproducing the experimental result of the line-shift of hot-dense plasmas as well as the classical molecular dynamic simulations of moderately coupled ultra-cold neutral plasmas. Our work opens a promising way to treat the screening effect of hot and warm dense plasma, which is a bottleneck of those extensive studies in high-energy-density physics, such as atomic processes in plasma, plasma spectra and radiation transport properties, among others.

Sign in / Sign up

Export Citation Format

Share Document