Professor of Physics and Professor of Applied Physics, Department of Physics at Columbia University, New York, USA.
condensed matter physics with an emphasis on semiconductors ; in particular, the physics of lower-dimensional systems, such as two-dimensional, one-dimensional and zero-dimensional systems.
1998 Nobel prize in physics "for discovery of a new form of quantum fluid with fractionally charged excitations".
"Composite Fermions in the Fractional Quantum Hall Effect, in Perspectives in Quantum Hall Effects", Das Sarma and Pinczuk edts, John Wiley (1996)
"How Real are Composite Fermions?", Phys . Rev. Lett. 71, 3850 (1993)
"The Fractional Quantum Hall Effect", Science, 248, 1510 (1990)
"Nonuniversal Conductance Quantization in Quantum Wires", Phys. Rev. Lett. 77, 4612 (1996)
"N-Electron Ground State Energies of a Quantum Dot in a Magnetic Field", Phys. Rev. Lett. 71, 613 (1993)