Structural Transitions in a Quasi-1D Wigner Solid on Liquid Helium
| Autor: | David G. Rees, A. S. Vazjukov, Kimitoshi Kono, Yu V Lysogorskiy, N. R. Beysengulov, N. K. Galiullin, Dmitrii Tayurskii |
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| Rok vydání: | 2015 |
| Předmět: |
Physics
Electron density Liquid helium Monte Carlo method Electron Condensed Matter Physics 01 natural sciences Atomic and Molecular Physics and Optics Finite element method 010305 fluids & plasmas law.invention Crystal law Modulation 0103 physical sciences General Materials Science Electron configuration Atomic physics 010306 general physics |
| Zdroj: | Journal of Low Temperature Physics. 182:28-37 |
| ISSN: | 1573-7357 0022-2291 |
| DOI: | 10.1007/s10909-015-1344-4 |
| Popis: | We present a detailed study of structural transitions of an electron system on liquid helium in quasi-1D confinement geometry. The structural transitions are experimentally observed as current oscillations in transport measurements with changing electrostatic confinement parameters. Finite element modelling and Monte Carlo simulations were used to investigate the electron configuration. With increasing electron density, the single chain of electrons splits into a two-, three- and so on row configuration. A proliferation of defects accompanies each structural transition. We find a good agreement between the observed current modulation and the evolution of the electron row configuration predicted by our calculations. |
| Databáze: | OpenAIRE |
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