Main > Chinese Optics Letters >  Volume 17 >  Issue 7 >  Page 072501 > Article
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  • Received: Feb. 12, 2019

    Accepted: Apr. 18, 2019

    Posted: Jul. 8, 2019

    Published Online: Jul. 8, 2019

    The Author Email: Guangqing Du (guangqingdu@mail.xjtu.edu.cn), Feng Chen (chenfeng@mail.xjtu.edu.cn)

    DOI: 10.3788/COL201917.072501

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    Yanhong Dong, Qing Yang, Guangqing Du, Feng Chen, Noor Uddin, Dayantha Lankanath, Xun Hou. Electronic manipulation of near-field nanofocusing in few-layer graphene-based hybrid nanotips[J]. Chinese Optics Letters, 2019, 17(7): 072501

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σ˜intra=2ie2kBT2π(ω+iτg1)ln[2cosh(EF2kBT)],(1)

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σ˜inter=e24[12+1πarctan(ω2EF2kBT)]e24[i2πln(ω+2EF)2(ω2EF)2+(2kBT)2].(2)

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τg=μEFevF2,(3)

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εr(ω)=iσ(ω)/(ωε0tg).(4)

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ng,2D=kF2/π=(EFvF)2/π.(5)

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