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Chesi, S; Wang, YD; Twamley, J; Chesi, S (reprint author), Beijing Computat Sci Res Ctr, Beijing 100084, Peoples R China.
Diabolical points in multi-scatterer optomechanical systems
Source PublicationSCIENTIFIC REPORTS
Language英语
AbstractDiabolical 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.
2015
Volume5Issue:0Pages:7816
Subject AreaScience & Technology - Other Topics
DOIhttp://dx.doi.org/10.1038/srep07816
Indexed BySCI
Funding OrganizationYouth 1000 Talents of China Program ; Youth 1000 Talents of China Program ; Youth 1000 Talents of China Program ; Youth 1000 Talents of China Program ; Macquarie University Research Centre for Quantum Science and Technology ; Macquarie University Research Centre for Quantum Science and Technology ; Macquarie University Research Centre for Quantum Science and Technology ; Macquarie University Research Centre for Quantum Science and Technology ; Australian Research Council Centre of Excellence in Engineered Quantum Systems Project [CE110001013] ; Australian Research Council Centre of Excellence in Engineered Quantum Systems Project [CE110001013] ; Australian Research Council Centre of Excellence in Engineered Quantum Systems Project [CE110001013] ; Australian Research Council Centre of Excellence in Engineered Quantum Systems Project [CE110001013] ; NSFC [11434011] ; NSFC [11434011] ; NSFC [11434011] ; NSFC [11434011]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21114
Collection理论物理所科研产出_SCI论文
Corresponding AuthorChesi, S (reprint author), Beijing Computat Sci Res Ctr, Beijing 100084, Peoples R China.
Recommended Citation
GB/T 7714
Chesi, S,Wang, YD,Twamley, J,et al. Diabolical points in multi-scatterer optomechanical systems[J]. SCIENTIFIC REPORTS,2015,5(0):7816.
APA Chesi, S,Wang, YD,Twamley, J,&Chesi, S .(2015).Diabolical points in multi-scatterer optomechanical systems.SCIENTIFIC REPORTS,5(0),7816.
MLA Chesi, S,et al."Diabolical points in multi-scatterer optomechanical systems".SCIENTIFIC REPORTS 5.0(2015):7816.
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