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cond-mat.mtrl-sci2004★ 10 cited
Spin-excitations of the quantum Hall ferromagnet of composite fermions
R. L. Doretto, M. O. Goerbig, P. Lederer +2
The spin-excitations of a fractional quantum Hall system are evaluated within a bosonization approach. In a first step, we generalize Murthy and Shankar's Hamiltonian theory of the…
cond-mat.mtrl-sci1997
New Magneto-Roton Modes in the "Ribault Phase" of the Ultra Quantum Crystal
Pascal Lederer, PUC-Rio, UFRJ +2
The Ultra Quantum Crystal phases observed in quasi-one-dimensional conductors of the Bechgaard salts family under magnetic field exhibit both Spin Density Wave order and a Quantize…