Optical trapping of gold nanoparticles by cylindrical vector beam

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	Optical trapping of gold nanoparticles by cylindrical vector beam
	Huang, L ; Guo, HL ; Li, JF ; Ling, L ; Feng, BH ; Li, ZY
刊名	OPTICS LETTERS
	2012
卷号	37 期号:10 页码:1694
关键词	METALLIC RAYLEIGH PARTICLES DIELECTRIC PARTICLES
ISSN号	0146-9592
通讯作者	Guo, HL (reprint author), Chinese Acad Sci, Inst Phys, Lab Opt Phys, Beijing 100190, Peoples R China.
中文摘要	We reconstruct the shape of the primordial power spectrum of curvature perturbations in extended cosmological models, including addition of massive neutrinos, extra relativistic species, or varying primordial helium abundance, from the latest cosmic microwave background data from the Wilkinson Microwave Anisotropy Probe, the Atacama Cosmology Telescope, and the South Pole Telescope. We find that a scale-invariant primordial spectrum is disfavored by the data at 95% confidence level even in the presence of massive neutrinos, however it can lie within the 95% confidence region if the effective number of relativistic species or the primordial helium abundance is allowed to vary freely. The constraints on the extension parameters from WMAP7 + ACT + H-0 + BAO are the total mass of neutrinos Sigma m(p) < 0.48 eV (95% C.L.), the effective number of relativistic species N-eff 4.50 +/- 0.81, and the primordial helium abundance Y-p 0.303 +/- 0.075. The constraints from WMAP7 + SPT + H-0 + BAO are Sigma m(p) < 0.45 eV (95% C.L.), N-eff 3.86 +/- 0.63, and Y-p 0.277 +/- 0.050.
收录类别	SCI
资助信息	973 Program of China [2011CB922002]; Chinese Academy of Sciences [Y1V2013L11]; National Natural Science Foundation of China [11104342]
语种	英语
公开日期	2013-09-24
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/50374]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Huang, L,Guo, HL,Li, JF,et al. Optical trapping of gold nanoparticles by cylindrical vector beam[J]. OPTICS LETTERS,2012,37(10):1694.
APA	Huang, L,Guo, HL,Li, JF,Ling, L,Feng, BH,&Li, ZY.(2012).Optical trapping of gold nanoparticles by cylindrical vector beam.OPTICS LETTERS,37(10),1694.
MLA	Huang, L,et al."Optical trapping of gold nanoparticles by cylindrical vector beam".OPTICS LETTERS 37.10(2012):1694.