Transport Properties of a Quasi-1D Wigner Solid on Liquid Helium Confined in a Microchannel with Periodic Potential
Transport Properties of a Quasi-1D Wigner Solid on Liquid Helium Confined in a Microchannel with Periodic Potential
复制标题
准一维维格纳固体在具有周期势的微通道中限制的液氦上的输运特性
DOI:
10.1007/s10909-018-2089-7
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发表时间:
2019
影响因子:
2
通讯作者:
D. Konstantinov
中科院分区:
文献类型:
--
作者:
J.-Y. Lin;A. V. Smorodin;A. O. Badrutdinov;D. Konstantinov
We present transport measurements in a quasi-1D system of surface electrons on liquid helium confined in a 101-m-long and 5-m-wide microchannel where an electrostatic potential with periodicity of 1-m along the channel is introduced. In particular, we investigate the influence of such a potential on the nonlinear transport properties of a quasi-1D Wigner solid (WS) by varying the amplitude of the periodic potential in a wide range. At zero and small values of amplitude, the quasi-1D WS in the microchannel shows expected features such as the Bragg–Cherenkov scattering of ripplons and re-entrant melting. As the amplitude of the potential increases, the above features are strongly suppressed. This behavior suggests the loss of long-range positional order in the electron system, which is reminiscent of re-entrant melting behavior due to lateral confinement of the WS in the channel.
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DOI:
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期刊:
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