Fractionalization Waves in Two-dimensional Dirac Fermions: Quantum Imprint from One Dimension
arXiv:1809.01166 · doi:10.1103/PhysRevLett.122.065302
Abstract
Particle fractionalization is believed to orchestrate the physics of many strongly correlated systems, yet its direct experimental detection remains a challenge. We propose a simple measurement for an ultracold matter system, in which correlations in initially decoupled 1D chains are imprinted via quantum quench upon two-dimensional Dirac fermions. Luttinger liquid correlations launch relativistic "fractionalization waves" along the chains, while coupling noninteracting chains induces perpendicular dispersion. These could be easily distinguished in an ultracold gas experiment.
arXiv comment6+11 pages, 4+10 figures
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