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Deng, Sheng-Xiong; Shi, Tao2; Yi, Su1,2
Spin excitations in dipolar spin-1 condensates
Source PublicationPHYSICAL REVIEW A
AbstractWe investigate the low-lying spin excitation of a trapped dipolar spin-1 condensate with antiferromagnetic spin-exchange interactions by numerically solving the Bogoliubov-de Gennes equations. We explore the behavior of the excited modes with different dipolar interaction strength and in different trap geometries. We also discuss the origin of the Nambu-Goldstone (NG) zero modes in different phases by analyzing the broken continuous symmetries of the ground-state wave function. In particular, we find a quasi-NG mode in the antiferromagnetic phase. These studies lead to the discovery of an unusual quantum phase and the exact critical trap aspect ratio for one of the phase transitions.
Cooperation Status国内
Subject AreaOptics ; Physics
MOST Discipline CatalogueOptics ; Physics, Atomic, Molecular & Chemical
Indexed BySCIE
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Document Type期刊论文
Affiliation1.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
3.Univ Chinese Acad Sci, CAS Ctr Excellence Topol Quantum Computat, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Deng, Sheng-Xiong,Shi, Tao,Yi, Su. Spin excitations in dipolar spin-1 condensates[J]. PHYSICAL REVIEW A,2020,102(1):13305.
APA Deng, Sheng-Xiong,Shi, Tao,&Yi, Su.(2020).Spin excitations in dipolar spin-1 condensates.PHYSICAL REVIEW A,102(1),13305.
MLA Deng, Sheng-Xiong,et al."Spin excitations in dipolar spin-1 condensates".PHYSICAL REVIEW A 102.1(2020):13305.
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