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Frontiers of Physics 2013年第3期

已有 2934 次阅读 2013-6-7 12:15 |系统分类:科研笔记

Cover: Dark solitons are localized defects in defocusing systems, and manifest themselves in repulsive Bose–Einstein condensate as a notch in the condensate density and a phase jump across the center. Ring dark solitons are candidates for observing long-time behaviors of 2D dark solitons, and their relevant explorations in the Bose–Einstein condensate began in 2003. It was shown that deeper ring dark solitons inclined to suffer snaking instabilities with a lifetime less than 20 milliseconds. In spinor Bose-Einstein condensates, however, ring dark solitons show more favorable stability comparing to that in scalar Bose–Einstein condensates. The deepest ring dark soliton can enjoy a lifetime of more than 40 milliseconds before decaying into four vortex and anti-vortex pairs. In addition, it can be found that the ring dark soliton in 87Rb condensate lives about 12 milliseconds longer than that in 23Na condensate, and this should be ascribed to the different spin-dependent interactions for these two kinds of condensates. The following dynamics of the vortex and anti-vortex pairs shows periodical oscillations, which is a common characteristic between 23Na and 87Rb condensates. For more detailed information, please refer to the article “Ground states, solitons and spin textures in spin-1 Bose–Einstein condensates” by Shu-Wei Song et al., pp 302–318. [Photo credits: Shu-Wei Song, Institute of Physics, CAS]

 

 

Special Section: Physics Beyond the Standard Model

 

Editorial

241

Recent progress in physics beyond the standard model

Shou-Hua Zhu

 

Review Articles

242

Overviewon neutrinos and the Daya Bay experiment
Miao He

248

SUSYsearches at ATLAS

Pascal Pralavorio, on behalf of the ATLAS Collaboration

257

Resultson non-SUSY searches for physics beyond standard model in ppcollisionsat CMS

Adrian Perieanu, on behalf of the CMS collaboration

270

Higgsboson searches at the Tevatron

Gavin J. Davies, on behalf of the CDF and D0 Collaborations

285

Distinguishmodels mimicking the SM Higgs

Jung Chang, Kingman Cheung*, Po-Yan Tseng, Tzu-Chiang Yuan

 

Perspective

294

Perspectiveson Higgs boson and supersymmetry

Pran Nath

 

Atomic, Molecular, and Optical Physics

 

Review Article

302

Groundstates, solitons and spin textures in spin-1 Bose-Einstein condensates

Shu-Wei Song, Lin Wen, Chao-Fei Liu, S.-C. Gou, Wu-Ming Liu*

 

Research Article

319

Analyticalsolutions for the spin-1 Bose-Einstein condensate in a harmonic trap

Yu-Ren Shi*, Xue-Ling Wang, Guang-Hui Wang, Cong-Bo Liu, Zhi-Gang Zhou, Hong-Juan Yang

 

Particle Physics, Nuclear Physics, Gravity, Cosmology, and Astrophysics

 

Review Article

328

Recentdevelopment in SU(3) covariant baryonchiral perturbation theory

Li-Sheng Geng

 

Soft Matter, Biological Physics, Statistical Physics, and
Interdisciplinary Physics

 

Research Article

349

Propagationdynamics on the Fermi-Pasta-Ulam lattices

Zong-Qiang Yuan, Zhi-Gang Zheng*

 

Special Focus

i

The Beijing–Hong Kong–Singapore Joint Centre for

Nonlinear and Complex Systems, Beijing Normal University

 

Note: If you are interested, you may download the whole issue in pdf format at

http://pan.baidu.com/share/link?shareid=1229325263&uk=824832246 

 

 



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