Softening of Magnetic Excitations Leading to Pressure-Induced Quantum Phase Transition in Gapped Spin System KCuCl_3(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
スポンサーリンク
概要
- 論文の詳細を見る
KCuCl_3 is a three dimensionally coupled spin dimer system, which undergoes a pressure-induced quantum phase transition from a gapped ground state to an antiferromagnetic state at a critical pressure of P_c[〜!-]8.2kbar. Magnetic excitations in KCuCl_3 at a hydrostatic pressure of 4.7kbar have been investigated by conducting neutron inelastic scattering experiments using a newly designed cylindrical high-pressure clamp cell. A well-defined single excitation mode is observed. The softening of the excitation mode due to the applied pressure is clearly observed. From the analysis of the dispersion relations, it is found that an intradimer interaction decreases under hydrostatic pressure, while most interdimer interactions increase.
- 社団法人日本物理学会の論文
- 2007-05-15
著者
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Kindo K
Advanced Science Research Center Japan Atomic Energy Agency
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Kindo K
Institute For Solid State Physics The University Of Tokyo
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Kindo K.
Research Center For Materials Science At Extreme Conditions Osaka University
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TANAKA Hidekazu
Department of Natural History Sciences, Faculty of Science, Hokkaido University
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UWATOKO Yoshiya
Institute for Solid State Physics, The University of Tokyo
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Kindo K
Kyokugen Osaka University
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Kindo Koichi
Japan Atomic Energy Agency
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Kishio K
Inst. For Solid State Physics The Univ. Of Tokyo
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Kindo Koichi
The Institute For Solid State Physics The University Of Tokyo
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Tanaka H
Nanotechnology Research Institute National Institute Of Advanced Industrial Science And Technology (
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Kodama Katsuaki
Department Of Physics Division Of Material Science Nagoya University:crest Japan Science And Technol
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Kodama Katsuaki
Department Of Physics Division Of Material Science Nagoya University
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Kinoshita K
Ntt Basic Research Laboratory
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KAKURAI Kazuhisa
Quantum Beam Science Directorate, Japan Atomic Energy Agency
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OSAKABE Toyotaka
Japan Atomic Energy Agency
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Hiraoka T
Faculty Of Integrated Arts And Science Hiroshima University
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Kosuge Koji
Department Of Chemistry Graduate School Of Science Kyoto University
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Ueda Yutaka
Sumitomo Pharmaceuticals Research Division
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Kato K
Japan Synchrotron Radiation Research Institute/spring-8
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KAWAKAMI Jun
Department of Materials Science and Technology, Faculty of Science and Technology, Hirosaki Universi
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GOTO Kenji
Quantum Beam Science Directorate, Japan Atomic Energy Agency
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OSAKABE Toyotaka
Quantum Beam Science Directorate, Japan Atomic Energy Agency
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OOSAWA Akira
Department of Physics, Sophia University
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Goto Kenji
Quantum Beam Science Directorate Japan Atomic Energy Agency
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Kakurai K
Quantum Beam Science Directorate Japan Atomic Energy Agency
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Kakurai Kazuhisa
Quantum Beam Science Directorate Japan Atomic Energy Agency
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Kakurai Kazuhisa
Neutron Scattering Laboratory Institute For Solid State Physics The University Of Tokyo
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Oosawa Akira
Department Of Physics Sophia University
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Uwatoko Y
Institute For Solid State Physics The University Of Tokyo
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Uwatoko Y
Faculty Of Integrated Arts And Sciences Hiroshima University:faculty Of General Education Kumamoto U
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Osakabe T
Quantum Beam Science Directorate Japan Atomic Energy Agency
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Kawakami Jun
Department Of Physics Tokyo Institute Of Technology
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Takei Humihiko
Institute For Iron Steel And Other Metals Tohoku University
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Kindo Koichi
Faculty Of Science Osaka University
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Hiraoka T
Faculty Of Science And Engineering Saga University
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Kitami Kiichiro
Graduate School Of Science Hokkaido University
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Koga K
Department Of Superconductivity University Of Tokyo
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Kakurai Kazuhisa
Advanced Science Research Center Japan Atomic Energy Research Institute (jaeri)
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Osakabe Toyotaka
Quantum Beam Science Directorate Japan Atomic Energy Agency
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Uwatoko Yoshiya
Institute For Solid State Physics (issp) The University Of Tokyo
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Tokoro Hiroko
Department Of Chemistry School Of Science The University Of Tokyo
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Ohsawa A
Department Of Physics Sophia University
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Kawakami Jun
Department Of Chemistry Faculty Of Science Hirosaki University
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Tanaka Hidekazu
Department Of Internal Medicine Iii Osaka Medical College
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Koyama Keiichi
Institute For Solid State Physics University Of Tokyo
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Tanaka Hidekazu
Department Of Earth And Planetary Sciences Faculty Of Science Tokyo Institute Of Technology
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Kakuta Kazuyuki
Department Of Physics Aoyama-gakuin University
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Tanaka Hidekazu
Department Of Chemistry And Chemical Biology Gunma University
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Uwatoko Yoshiya
Institute for Solid State Physics
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Uwatoko Yoshiya
Dainippon Sumitomo Pharma Co., Ltd., Pharmacology Research Laboratories
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