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Thermal radiation as a probe of one-dimensional electron liquids

机译:作为一维电子液体探针的热辐射

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Motivated by recent developments in the field of plasmonics, we develop the theory of radiation from one-dimensional electron liquids, showing that the spectrum of thermal radiation emitted from the system exhibits signatures of non-Fermi liquid behavior. We derive a multipole expansion for the radiation based on the Tomonaga-Luttinger liquid model. While the dipole radiation pattern is determined by the conductivity of the system, we demonstrate that the quadrupole radiation can reveal important features of the quantum liquid, such as the Luttinger parameter. Radiation offers a probe of the interactions of the system, including Mott physics as well as nonlinear Luttinger liquid behavior. We show that these effects can be probed in current experiments on effectively one-dimensional electron liquids, such as carbon nanotubes.
机译:最近在血浆领域的发展中的动机,我们开发了一种从一维电子液体的辐射理论,表明系统发出的热辐射光谱表现出非费米液体行为的象征。基于Tomonaga-Luttinger液模型,我们推导了辐射的多极扩展。虽然偶极辐射模式由系统的电导率确定,但我们证明了四极辐射可以揭示量子液体的重要特征,例如Luttinger参数。辐射提供了系统的相互作用的探针,包括Mott物理学以及非线性Luttinger液体行为。我们表明这些效果可以在有效的一维电子液体(例如碳纳米管)上进行目前的实验中的效果。

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  • 来源
    《Physical review》 |2019年第23期|235124.1-235124.5|共5页
  • 作者单位

    Univ Maryland NIST Joint Quantum Inst College Pk MD 20742 USA|Univ Maryland Inst Res Elect & Appl Phys College Pk MD 20742 USA;

    Princeton Univ Dept Phys Princeton NJ 08544 USA;

    Univ Illinois Dept Phys Urbana IL 61801 USA;

    Univ Illinois Dept Phys Urbana IL 61801 USA;

    Univ Maryland NIST Joint Quantum Inst College Pk MD 20742 USA|Univ Maryland Inst Res Elect & Appl Phys College Pk MD 20742 USA;

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