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Solitons in a one-dimensional Wigner crystal

Journal Article · · Physical Review. B, Condensed Matter and Materials Physics
 [1];  [2]
  1. Georgia Inst. of Technology, Atlanta, GA (United States). School of Physics
  2. Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
In one-dimensional quantum systems with strong long-range repulsion particles arrange in a quasi-periodic chain, the Wigner crystal. Here, we demonstrate that besides the familiar phonons, such one-dimensional Wigner crystal supports an additional mode of elementary excitations, which can be identified with solitons in the classical limit. Furthermore, we compute the corresponding excitation spectrum and argue that the solitons have a parametrically small decay rate at low energies. Finally, we discuss implications of our results for the behavior of the dynamic structure factor.
Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1357011
Alternate ID(s):
OSTI ID: 1180712
Journal Information:
Physical Review. B, Condensed Matter and Materials Physics, Journal Name: Physical Review. B, Condensed Matter and Materials Physics Journal Issue: 16 Vol. 91; ISSN 1098-0121; ISSN PRBMDO
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (3)

Equilibration in one-dimensional quantum hydrodynamic systems journal September 2017
Fate of classical solitons in one-dimensional quantum systems journal November 2015
Fate of classical solitons in one-dimensional quantum systems text January 2015

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