期刊
PHYSICAL REVIEW LETTERS
卷 101, 期 17, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.101.176803
关键词
-
资金
- EPSRC [GR/S61263/01]
- DOE [DE-FG03-02ER-45981]
We provide numerical evidence for composite fermion pairing in quantum Hall bilayer systems at filling nu=12+1/2 for intermediate spacing between the layers. We identify the phase as p(x)+ip(y) pairing, and construct high accuracy trial wave functions to describe the ground state on the sphere. For large distances between the layers, and for finite systems, a competing Hund's rule state, or composite fermion liquid, prevails for certain system sizes.
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