Dynamics of Magnetostatically Coupled Vortices Observed by Time-Resolved Photoemission Electron Microscopy
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概要
- 論文の詳細を見る
The dynamics of magnetostatically coupled vortices in a pair of ferromagnetic micron-sized disks has been observed in real space by pump--probe time-resolved photoemission electron microscopy. It is found that the dynamics of paired vortices is affected by a magnetic dipolar interaction. The displacement of a vortex core from its equilibrium position in the paired vortices during the supply of a magnetic field pulse is smaller than that in the isolated vortex, which is in qualitative agreement with micromagnetic simulation results. Unexpectedly, two eigenfrequencies of the paired vortices are different from each other. When the separation distance between the paired disks is shorter, the difference between the two eigenfrequencies is larger.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2011-05-25
著者
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Arai Kuniaki
Institute For Solid State Physics University Of Tokyo
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Muro Takayuki
Japan Synchrotron Radiation Res. Inst. Hyogo Jpn
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KOTSUGI Masato
Japan Synchrotron Radiation Research Institute
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FUKUMOTO Keiki
Japan Synchrotron Radiation Research Institute
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NAKAMURA Tetsuya
Japan Synchrotron Radiation Research Institute
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MATSUSHITA Tomohiro
Japan Synchrotron Radiation Research Institute
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Kakizaki Akito
Institute For Solid State Physics The University Of Tokyo
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Osawa Hitoshi
Japan Synchrotron Radiation Research Institute (jasri) Spring-8
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Otani YoshiChika
Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
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Otani Yoshichika
Institute For Solid State Physics University Of Tokyo
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KODAMA Kenji
Japan Synchrotron Radiation Research Institute/SPring-8
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Kinoshita Toyohiko
Japan Synchrotron Radiation Res. Inst./spring‐8 Hyogo Jpn
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Kimura Takashi
Inamori Frc Kyushu University
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Kakizaki Akito
Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
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Okuda Taichi
Hiroshima Synchrotron Radiation Center, Hiroshima University, Higashihiroshima, Hiroshima 739-0046, Japan
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Ohkouchi Takuo
Japan Synchrotron Radiation Research Institute/SPring-8, Sayo, Hyogo 679-5198, Japan
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Haruyama Yuichi
LASTI, University of Hyogo, Kamigori, Hyogo 678-1205, Japan
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Matsui Shinji
LASTI, University of Hyogo, Kamigori, Hyogo 678-1205, Japan
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Haruyama Yuichi
LASTI, Graduate School of Science, University of Hyogo, 3-1-2 Koto, Kamigori, Hyogo 678-1205, Japan
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Osawa Hitoshi
Japan Synchrotron Radiation Research Institute/SPring-8, Sayo, Hyogo 679-5198, Japan
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Kinoshita Toyohiko
Japan Synchrotron Radiation Research Institute/SPring-8, Sayo, Hyogo 679-5198, Japan
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Arai Kuniaki
Institute for Solid State Physics, University of Tokyo, Kashiwa, Chiba 277-8581, Japan
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Kotsugi Masato
Japan Synchrotron Radiation Research Institute/SPring-8, Sayo, Hyogo 679-5198, Japan
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Kodama Kenji
Japan Synchrotron Radiation Research Institute (JASRI)/SPring-8, Sayo, Hyogo 679-5198
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Matsui Shinji
LASTI, Graduate School of Science, University of Hyogo, 3-1-2 Koto, Kamigori, Hyogo 678-1205, Japan
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Matsui Shinji
LASTI, Graduate School of Science, University of Hyogo, 3-1-2 Koto, Kamigori, Ako, Hyogo 678-1205, Japan
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Kimura Takashi
Inamori FRC, Kyushu University, Fukuoka 819-0395, Japan
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Haruyama Yuichi
LASTI, Graduate School of Science, University of Hyogo, 3-1-2 Koto, Kamigori, Ako, Hyogo 678-1205, Japan
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