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- Corpus ID: 269457217
@inproceedings{Chen2024TwoAI, title={Two atoms in a harmonic trap with spin-orbital-angular-momentum coupling}, author={Xiao-Long Chen and Aixi Chen and Shi-Guo Peng}, year={2024}, url={https://api.semanticscholar.org/CorpusID:269457217}}- Xiao-Long Chen, Aixi Chen, Shi-Guo Peng
- Published 30 April 2024
- Physics
We study the problem of two harmonically trapped atoms in the presence of spin-orbital-angular-momentum coupling. The two-body energy spectrum is numerically calculated by utilizing the exact diagonalization method. We analyze how the degeneracy of energy levels is lifted under the interplay between the interatomic interaction and spin-orbital-angular-momentum coupling. The exact numerical results show an excellent agreement with that of perturbation theory in the weak-interaction limit, as…
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62 References
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Physics
Physical review letters
This work induces a Raman transition using a pair of Gaussian and Laguerre-Gaussian laser beams to realize a condensate whose orbital angular momentum and its internal spin states are coupled, paving the way to explore exotic quantum phases in the spin-orbital-angular-momentum coupled quantum gases.
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- Highly Influential[PDF]
- Shi-Guo PengK. JiangXiao-Long ChenKe-Ji ChenP. ZouLianyi He
- 2022
Physics
AAPPS Bulletin
We briefly review the recent progress of theories and experiments on spin-orbital-angular-momentum (SOAM)-coupled quantum gases. The coupling between the intrinsic degree of freedom of particles and…
- Rui CaoJinsen HanJianhua WuJianmin YuanLianyi HeYongqiang Li
- 2022
Physics
Physical Review A
Spin-orbit coupling plays an important role in understanding exotic quantum phases. In this work, we present a scheme to combine spin-orbital-angular-momentum (SOAM) coupling and strong correlations…
- Yiwen HanShi-Guo PengKe-Ji ChenW. Yi
- 2022
Physics
Physical Review A
We study the two-body bound states in a spin-orbital-angular-momentum (SOAM) coupled quantum gas of fermions. Two different configurations are considered: an attractive $s$-wave interaction exists…
- Ke-Ji ChenFan WuLianyi HeW. Yi
- 2022
Physics
Physical Review Research
We show that pairing in an ultracold Fermi gas under spin-orbital-angular-momentum coupling (SOAMC) can acquire topological characters encoded in the quantized angular degrees of freedom. The…
- Yuriy BidasyukK. S. KovtunenkoO. O. Prikhodko
- 2022
Physics
Physical Review A
We report on a theoretical study of a ring-shaped Bose-Einstein condensate with Raman-induced spin-orbital-angular-momentum coupling. We analyze the structure of the ground-state of the system…
- Zong-Yao WangXiang-Can Cheng Jian-Wei Pan
- 2021
Physics
Science
The experimental realization of an IWSM band is reported by engineering 3D spin-orbit coupling for ultracold atoms and the topological Weyl points are clearly measured via the virtual slicing imaging technique in equilibrium and are further resolved in the quench dynamics.
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Physics
Theoretical study is presented for a spinor Bose-Einstein condensate, whose two components are coupled by copropagating Raman beams with different orbital angular momenta. The investigation is…
- Liang-Liang WangA. JiQing SunJian Li
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Physics
Physical review letters
An unprecedented vortex state, which breaks the continuous rotational symmetry to a discrete one spontaneously, is predicted to occur in the SOAMC gas, and the unique density distributions of the predicted vortex states enable a direct observation in experiment.
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- 2020
Physics
Physical review letters
It is demonstrated how SOAM coupling stabilizes vortices in Fermi superfluids through a unique mechanism that can be viewed as the angular analog to that of the spin-orbit-coupling-induced Fulde-Ferrell state under a Fermani surface deformation.
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