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Continuous Preparation of a Fractional Chern Insulator
- Source :
- Phys. Rev. Lett. 115, 026802 (2015)
- Publication Year :
- 2014
-
Abstract
- We present evidence of a direct, continuous quantum phase transition between a Bose superfluid and the $\nu=1/2$ fractional Chern insulator in a microscopic lattice model. In the process, we develop a detailed field theoretic description of this transition in terms of the low energy vortex dynamics. The theory explicitly accounts for the structure of lattice symmetries and predicts a Landau forbidden transition that is protected by inversion. That the transition is continuous enables the quasi-adiabatic preparation of the fractional Chern insulator in non-equilibrium, quantum optical systems.<br />Comment: 9 pages, 5 figures. Version 2: revised presentation of numerical diagnostics
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. Lett. 115, 026802 (2015)
- Publication Type :
- Report
- Accession number :
- edsarx.1407.7034
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevLett.115.026802