The design, realization, and validation of the scheme for quantum degenerate research in microgravity

L Li, W Xiong, B Wang, T Li, Y Xie, A Liang… - IEEE Photonics …, 2023 - ieeexplore.ieee.org
In microgravity, atoms can be prepared to a lower temperature and manipulated with a
longer time. The Cold Atom Physics Research Rack (CAPR) in Chinese Space Station …

Realization of two-stage crossed beam cooling and the comparison with Delta-kick cooling in experiment

T Luan, Y Li, X Zhang, X Chen - Review of Scientific Instruments, 2018 - pubs.aip.org
We report the first experimental realization of the two-stage crossed beam cooling (TSCBC)
method that we proposed in 2013 [L. Wang et al., J. Phys. B: At., Mol. Opt. Phys. 46, 195302 …

Ground experiment verification and on-orbit prediction of the two-stage cooling at pK level in the Chinese space station

Y Xie, B Fan, H Li, A Liang, M Huang… - Journal of Physics B …, 2022 - iopscience.iop.org
In order to infer the expected temperature of the two-stage cooling experiment onboard the
Chinese space station (CSS) through ground experiments, we apply the direct simulation …

Tune-out wavelengths of the hyperfine components of the ground level of atoms

J Jiang, XJ Li, X Wang, CZ Dong, ZW Wu - Physical Review A, 2020 - APS
The static and dynamic electric-dipole polarizabilities and tune-out wavelengths for the
ground state of Cs atoms are calculated by using a semiempirical relativistic configuration …

Characterizing ultra-narrow momentum of atoms by standing-wave light-pulse sequences

S Zhou, C Chen, B Xu, A Liang, Y Wang, B Wang - JOSA B, 2022 - opg.optica.org
We propose a method to characterize the ultra-narrow momentum distribution of atomic
gases by employing a standing-wave light-pulse sequences beam splitter. The mechanism …

Optical simulation of an ultra-sensitive thermometer based on atom interferometry

B Xu, S Zhou, C Zhou - Optics & Laser Technology, 2024 - Elsevier
In this letter, we apply an optical setup to simulate the coherent evolution of an atomic
wavepacket under the action of a standing-wave optical pulse sequence. Predicted …

[HTML][HTML] Matter-wave interferometry based on barrier beam splitters

C Chen, S Zhou - Physics Letters A, 2024 - Elsevier
In this letter, we explore the use of barriers as coherent beam splitters for the construction of
matter-wave interferometers. The effect of barrier shape and width, wave-packet width, and …

Comparison of different techniques in optical trap for generating picokelvin 3D atom cloud in microgravity

H Yao, T Luan, C Li, Y Zhang, Z Ma, X Chen - Optics Communications, 2016 - Elsevier
Pursuing ultralow temperature 3D atom gas under microgravity conditions is one of the
popular topics in the field of ultracold research. Many groups around the world are using, or …

Tune-out and magic wavelengths of ions

J Jiang, Y Ma, X Wang, CZ Dong, ZW Wu - Physical Review A, 2021 - APS
The static and dynamic polarizabilities of the ground state and low-lying excited states of
Ba+ ions are calculated by using a relativistic semiempirical method: the relativistic …

Numerical study of evaporative cooling in the space station

B Fan, L Zhao, Y Zhang, J Sun, W Xiong… - Journal of Physics B …, 2020 - iopscience.iop.org
In this paper, we numerically studied the effects of mechanical vibration and magnetic fields
on evaporative cooling process carried in space station by direct simulation Monte Carlo …