Excitation Spectrum of a Double Quantum Well System in a Strong Magnetic Field
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概要
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The collective charge-excitation spectrum of a double quantum well system in a strong magnetic field is obtained within the random phase approximation. Correction to the spectrum coming from the finiteness of the magnetic field is calculated up to the first order in inverse of the magnetic field. Dependencies on the magnetic field of (i) the velocity of long wave length excitation and (ii) the phase boundary of the quantum Hall state signaled by the softening of the roton minimum of the spectrum are discussed.
- 社団法人日本物理学会の論文
- 1993-05-15
著者
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Yoshioka Daijiro
Institute For Solid State Physics University Of Tokyo
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Narikiyo Osamu
Institute For Solid State Physics University Of Tokyo
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Narikiyo Osamu
Institute Of Physics University Of Tokyo
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Yoshioka Daijiro
Institute of Physics, University of Tokyo
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