Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2003-06-11
Phys. Rev. B 68, 241302 (2003)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
4 pages, 4 figures; minor corrections included
Scientific paper
10.1103/PhysRevB.68.241302
We present a microscopic theory for the recently observed reentrant integral quantum Hall effect in the n=1 and n=2 Landau levels. Our energy investigations indicate an alternating sequence of M-electron-bubble and quantum-liquid ground states in a certain range of the partial filling factor of the n-th level. Whereas the quantum-liquid states display the fractional quantum Hall effect, the bubble phases are insulating, and the Hall resistance is thus quantized at integral values of the total filling factor.
Goerbig Mark O.
Lederer Pascal
Smith Christopher M.
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