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题名: Diabolical points in multi-scatterer optomechanical systems
作者: Chesi, S;  Wang, YD;  Twamley, J
刊名: SCIENTIFIC REPORTS
出版日期: 2015
卷号: 5, 期号:0, 页码:7816
学科分类: Science & Technology - Other Topics
DOI: http://dx.doi.org/10.1038/srep07816
通讯作者: Chesi, S (reprint author), Beijing Computat Sci Res Ctr, Beijing 100084, Peoples R China.
文章类型: Article
英文摘要: Diabolical points, which originate from parameter-dependent accidental degeneracies of a system's energy levels, have played a fundamental role in the discovery of the Berry phase as well as in photonics (conical refraction), in chemical dynamics, and more recently in novel materials such as graphene, whose electronic band structure possess Dirac points. Here we discuss diabolical points in an optomechanical system formed by multiple scatterers in an optical cavity with periodic boundary conditions. Such configuration is close to experimental setups using micro-toroidal rings with indentations or near-field scatterers. We find that the optomechanical coupling is no longer an analytic function near the diabolical point and demonstrate the topological phase arising through the mechanical motion. Similar to a Fabry-Perot resonator, the optomechanical coupling can grow with the number of scatterers. We also introduce a minimal quantum model of a diabolical point, which establishes a connection to the motion of an arbitrary-spin particle in a 2D parabolic quantum dot with spin-orbit coupling.
类目[WOS]: Multidisciplinary Sciences
关键词[WOS]: CONICAL INTERSECTIONS ;  MOVING MIRROR ;  GRAPHENE ;  RADIATION ;  MOTION ;  CAVITY ;  PHASE
收录类别: SCI
项目资助者: Youth 1000 Talents of China Program ;  Macquarie University Research Centre for Quantum Science and Technology ;  Australian Research Council Centre of Excellence in Engineered Quantum Systems Project [CE110001013] ;  NSFC [11434011]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21114
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Chesi, S,Wang, YD,Twamley, J. Diabolical points in multi-scatterer optomechanical systems[J]. SCIENTIFIC REPORTS,2015,5(0):7816.
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