2020
DOI: 10.1140/epjb/e2020-10421-x
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The movement of a one-dimensional Wigner solid explained by a modified Frenkel-Kontorova model

Abstract: We propose a Frenkel-Kontorova model for a 1D chain of electrons forming a Wigner solid over 4 He. It is a highly idealized picture, but with the model at hand we can study the movement of the chain. We find out that the energetically most preferable movement is the successive sliding of a kink or an antikink through the chain. Then the force for a movement does not depend on the length of the chain. The force uniformly applied to all electrons must be larger than a force exciting only a kink or an antikink. W… Show more

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Cited by 5 publications
(2 citation statements)
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“…If one pulls the ends, all of the bellows relax. Newton trajectories with force f can be used to calculate many kinds of solitones of the FK chain and, thus, intermediate minima of the potential energy surface and saddle points with an increasing index [3,6,19,[46][47][48].…”
Section: The Meaning Of the Tensile Forcementioning
confidence: 99%
See 1 more Smart Citation
“…If one pulls the ends, all of the bellows relax. Newton trajectories with force f can be used to calculate many kinds of solitones of the FK chain and, thus, intermediate minima of the potential energy surface and saddle points with an increasing index [3,6,19,[46][47][48].…”
Section: The Meaning Of the Tensile Forcementioning
confidence: 99%
“…The latter acts on the extracted subsystem by a potential. Of special interest may be electronic applications [2][3][4][5][6][7] for Wigner electrons or Josephson junctions. Further models are chargedensity wave conductors [8][9][10], charge transport in solids and on crystal surfaces [11], magnetic or ferro-and antiferromagnetic domain walls [12], magnetic superlattices [13], superconductivity [14,15], and vortex matter [16][17][18], to name a few.…”
Section: Introductionmentioning
confidence: 99%