Composite fermions and bosons: an invitation to electron masquerade in Quantum Hall.
The two-dimensional electron gas formed at the semiconductor heterointerface is a theater for many intriguing plays of physics. The fractional quantum Hall effect (FQHE), which occurs in strong magnetic fields and low temperatures, is the most fascinating of them. The concept of composite fermions and bosons not only is beautiful by itself but also has proved highly successful in providing pictorial interpretation of the phenomena associated with the FQHE.
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Institute for Solid State Physics, University of Tokyo, Roppongi, Minato-ku, Tokyo 106-8666 Japan.