Experimental realization of spin-tensor momentum coupling in ultracold Fermi gases
| Autor: | Lianghui Huang, Donghao Li, Jing Zhang, Liangchao Chen, Peng Peng, Pengjun Wang, Guoqi Bian, Zengming Meng |
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| Rok vydání: | 2020 |
| Předmět: |
Physics
Zeeman effect FOS: Physical sciences 01 natural sciences 010305 fluids & plasmas Momentum Spin tensor symbols.namesake Coupling (physics) Dark state Quantum Gases (cond-mat.quant-gas) 0103 physical sciences symbols Physics::Atomic Physics Atomic physics Condensed Matter - Quantum Gases 010306 general physics Electronic band structure Spectroscopy Fermi Gamma-ray Space Telescope |
| Zdroj: | Physical Review A. 102 |
| ISSN: | 2469-9934 2469-9926 |
| DOI: | 10.1103/physreva.102.013309 |
| Popis: | We experimentally realize the spin-tensor momentum coupling (STMC) using the three ground Zeeman states coupled by three Raman laser beams in ultracold atomic system of $^{40}$K Fermi atoms. This new type of STMC consists of two bright-state bands as a regular spin-orbit coupled spin-1/2 system and one dark-state middle band. Using radio-frequency spin-injection spectroscopy, we investigate the energy band of STMC. It is demonstrated that the middle state is a dark state in the STMC system. The realized energy band of STMC may open the door for further exploring exotic quantum matters. Comment: 6 pages, 4 figures |
| Databáze: | OpenAIRE |
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