Quantum Coherence and W_infty*SU(2) Algebra in Bilayer Quantum Hall Systems

Details Quantum Coherence and W_infty*SU(2) Algebra in Bilayer Quantum Hall Systems Quantum Coherence and W_infty*SU(2) Algebra in Bilayer Quantum Hall Systems

1997-05-13

arxiv.org/abs/cond-mat/9705109v1

Phys. Lett. A229 (1997) 392

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

15pages, Phys. Lett. A (in press)

Scientific paper

10.1016/S0375-9601(97)00215-6

We analyze the bilayer quantum Hall (QH) system by mapping it to the monolayer QH system with spin degrees of freedom. By this mapping the tunneling interaction term is identified with the Zeeman term. We clarify the mechanism of a spontaneous development of quantum coherence based on the Chern-Simons gauge theory with the lowest-Landau-Level projection taken into account. The symmetry group is found to be W_infty*SU(2), which says that the spin rotation affects the total electron density nearby. Using it extensively we construct the Landau-Ginzburg theory of the coherent mode. Skyrmion excitations are topological solitons in this coherent mode. We point out that they are detectable by measuring the Hall current distribution.

Affiliated with

Also associated with

No associations

Rating

Quantum Coherence and W_infty*SU(2) Algebra in Bilayer Quantum Hall Systems 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 Coherence and W_infty*SU(2) Algebra in Bilayer Quantum Hall Systems, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Quantum Coherence and W_infty*SU(2) Algebra in Bilayer Quantum Hall Systems will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-664639