Two-roton bound state in the fractional quantum hall effect |
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Authors: | Park Jain |
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Affiliation: | Department of Physics, 104 Davey Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802, USA. |
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Abstract: | The true nature of the lowest-energy, long-wavelength neutral excitation of the fractional quantum Hall effect has been a long outstanding problem. In this Letter, we establish that it is a two-roton bound state. |
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