Spin excitations in the Fractional Quantum Hall regime at ν1/3

Gallais, Y.; Kirschenmann, T. H.; Hirjibehedin, C. F.; Dujovne, I.; Pinczuk, A.; Pfeiffer, L. N.; West, K. W.

doi:10.1016/j.physe.2006.03.002

arXiv 2006-03-24 DOI 10.1016/j.physe.2006.03.002 0 مشاهدة

Spin excitations in the Fractional Quantum Hall regime at ν1/3

Gallais, Y. · Kirschenmann, T. H. · Hirjibehedin, C. F. · Dujovne, I. · Pinczuk, A. · Pfeiffer, L. N. · West, K. W.

Mesoscale and Nanoscale Physics Strongly Correlated Electrons

الأصل · EN

We report inelastic light scattering experiments in the fractional quantum Hall regime at filling factors ν1/3. A spin mode is observed below the Zeeman energy. The filling factor dependence of the mode energy is consistent with its assignment to spin flip excitations of composite fermions with four attached flux quanta (ϕ=4). Our findings reveal a composite fermion Landau level structure in the ϕ=4 sequence.

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