Analytical results for the superflow of spin-orbit-coupled Bose-Einstein condensates in optical lattices
| Autor: | Zhao-Yun Zeng, Jinpeng Xiao, Baiyuan Yang, Lei Li, Xiaobing Luo, Zhou Hu, Yunrong Luo, Aixi Chen |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
Condensed Matter::Quantum Gases
Physics Quantum Physics Condensed Matter::Other FOS: Physical sciences 01 natural sciences 010305 fluids & plasmas law.invention Brillouin zone Superfluidity Nonlinear system Quantum Gases (cond-mat.quant-gas) law Quantum mechanics Lattice (order) 0103 physical sciences Orbit (dynamics) Quantum Physics (quant-ph) Condensed Matter - Quantum Gases 010306 general physics Bose–Einstein condensate Spin-½ |
| Zdroj: | Physical Review A. 103 |
| ISSN: | 2469-9934 2469-9926 |
| DOI: | 10.1103/physreva.103.063324 |
| Popis: | In this paper, we show that for sufficiently strong atomic interactions, there exist analytical solutions of current-carrying nonlinear Bloch states at the Brillouin zone edge to the model of spin-orbit-coupled Bose-Einstein condensates (BECs) with symmetric spin interaction loaded into optical lattices. These simple but generic exact solutions provide an analytical demonstration of some intriguing properties which have neither an analog in the regular BEC lattice systems nor in the uniform spin-orbit-coupled BEC systems. It is an analytical example for understanding the superfluid and other related properties of the spin-orbit-coupled BEC lattice systems. 9 pages, 6 figures, a couple of typos in equation are corrected |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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