Magnetism of Quantum Solid with Strong Zero Point Lattice Vibration
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概要
- 論文の詳細を見る
In quantum solids of fermions such as solid 'He, where a tunneling motionfor particle exchange is enhanced by zero-point vibrations, there is a possibilitythat a hybrid of the exchange tunneling and the zero-point vibration may leadto unforeseen magnetic properties, which are outside the scope of the Heisenbergmodel. The simplest model is adopted for the hybridization. In this model toeexchange interactions are assumed to exist only for the nearest neighbor pairsand a pair spin interaction is supposed to grow sufficiently large when the n.n.bond expands in the vibrational motion. The spin-phonon interactions, which areoff-diagonal in the phonon representation, are shown to produce remarkableeffects on the magnetic field dependence of pressure, on the specific heat, on thesusceptibility and on the mechanism leading to exotic spin order such as uudd.
- 社団法人日本物理学会の論文
- 1983-12-15
著者
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IZUYAMA Takeo
Institute of Physics,College of Arts and Science,University of Tokyo
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Izuyama Takeo
Institute Of Physics College Of Aris And Sciences University Of Tokyo
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Y. SUZUKI
Institute of Physics,College of Arts and Sciences University of Tokyo
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Y. Suzuki
Institute Of Physics College Of Arts And Sciences University Of Tokyo
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Suzuki Yasuo
Institute Of Plama Physics Nagoya University
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