Bosonization of the two-dimensional electron gas in the lowest Landau level
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We develop a bosonization scheme for the collective dynamics of a spinless two- dimensional electron gas (2DEG) in the lowest Landau level. The system is treated as a continuous elastic medium, and quantum commutation relations are imposed between orthogonal components of the elastic displacement field. This theory provides a unified description of bulk and edge excitations of compressible and incompressible phases, and explains the results of recent tunneling experiments at the edge of the 2DEG.