Singlet Mott state simulating the bosonic Laughlin wave function

Biao Lian, Shoucheng Zhang

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


We study properties of a class of spin-singlet Mott states for arbitrary spin S bosons on a lattice, with particle number per cite n=S/l+1, where l is a positive integer. We show that such a singlet Mott state can be mapped to a bosonic Laughlin wave function on a sphere with a finite number of particles at filling ν=1/2l. Spin, particle, and hole excitations in the Mott state are discussed, among which the hole excitation can be mapped to the quasihole of the bosonic Laughlin wave function. We show that this singlet Mott state can be realized in a cold-atom system on an optical lattice and can be identified using Bragg spectroscopy and Stern-Gerlach techniques. This class of singlet Mott states may be generalized to map to bosonic Laughlin states with filling ν=q/2l.

Original languageEnglish (US)
Article number041110
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number4
StatePublished - Jan 31 2014
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


  • 37.10.Jk
  • 73.43.Cd
  • 75.10.Jm


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