Physics – Condensed Matter – Quantum Gases
Scientific paper
2010-03-11
Physics
Condensed Matter
Quantum Gases
28 pages and 9 figures
Scientific paper
We have investigated the behavior and stability of a Wigner crystal of rotating dipolar fermions in two dimensions. Using an ansatz wave function for the ground state of rotating two-dimensional dipolar fermions, which occupy only partially the lowest Landau level, we study the correlation energy, elastic moduli and collective modes of Wigner crystals in the lowest Landau level. We then calculate the mean square of the displacement vector of Wigner crystals. The critical filling factor, below which the crystalline state is expected, is evaluated at absolute zero by use of the Lindeman's criterion. We find that the particle (hole) crystal is locally stable for filling factor is less than 1/15 (between filling factors 14/15 and 1), where the stable regime of the crystal is much narrower than the result from Baranov, Fehrmann and Lewenstein, [Phys. Rev. Lett. 100, 200402 (2008)].
Cheng Szu-Cheng
Jheng Shih-Da
Jiang Tsin-Fu
No associations
LandOfFree
Quantum Melting of a Wigner crystal of Rotating Dipolar Fermions in the Lowest Landau Level does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Quantum Melting of a Wigner crystal of Rotating Dipolar Fermions in the Lowest Landau Level, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Quantum Melting of a Wigner crystal of Rotating Dipolar Fermions in the Lowest Landau Level will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-539678