Structural order and melting of a quasi-one-dimensional electron system

David G. Rees, Niyaz R. Beysengulov, Yoshiaki Teranishi, Chun Shuo Tsao, Sheng-Shiuan Yeh, Shao Pin Chiu, Yong Han Lin, Dmitrii A. Tayurskii, Juhn-Jong Lin, Kimitoshi Kono

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Abstract

We investigate the influence of confinement on the positional order of a quasi-1D electron system trapped on the surface of liquid helium. We find evidence that the melting of the Wigner solid (WS) depends on the confinement strength, as well as electron density and temperature. A reentrant solid-liquid-solid transition is observed for increasing electron density under constant electrostatic confinement. As the electron row number Ny changes, varying commensurability results in a modulation of the WS order, even when Ny is large (several tens). This is confirmed by Monte Carlo simulations.

Original languageEnglish
Article number045139
Number of pages6
JournalPhysical Review B
Volume94
Issue number4
DOIs
StatePublished - 29 Jul 2016

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