Physics – Condensed Matter
Scientific paper
2003-08-06
Phys. Rev. Lett. 91 (2003) 150404
Physics
Condensed Matter
4 pages, to appear in PRL
Scientific paper
10.1103/PhysRevLett.91.150404
We study theoretically a Fermi-Dirac atomic gas in a one-dimensional optical lattice coupled to a coherent electromagnetic field with a topologically nontrivial soliton phase profile. We argue that the resulting fractional eigenvalues of the particle number operator can be detected via light scattering. This could be a truly quantum mechanical measurement of the particle number fractionalization in a dilute atomic gas.
Javanainen Juha
Ruostekoski Janne
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