Detection of quantum effect in dynamical structure factor in one-dimensional spin system
Project/Area Number |
24540352
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Research Field |
Condensed matter physics II
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Research Institution | High Energy Accelerator Research Organization |
Principal Investigator |
ITOH Shinichi 大学共同利用機関法人高エネルギー加速器研究機構, 物質構造科学研究所, 教授 (00221771)
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Co-Investigator(Kenkyū-buntansha) |
YOKOO Tetsuya 高エネルギー加速器研究機構, 物質構造科学研究所, 准教授 (10391707)
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Project Period (FY) |
2012-04-01 – 2015-03-31
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Project Status |
Completed (Fiscal Year 2014)
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Budget Amount *help |
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2012: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
|
Keywords | 中性子非弾性散乱 / パルス中性子 / 低次元磁性体 / 強相関電子系 / 分解能関数 |
Outline of Final Research Achievements |
One-dimensional (1D) magnetism is one of the most mature areas in condensed matter physics, however, there are some unresolved problems. Inelastic neutron scattering is an experimental technique for measuring dynamical structure factor in the four-dimensional (4D) space of energy and momentum. An analysis method using the resolution function in the 4D space was developed, and then, a quantum effect such as continuum excitations in a 1D antiferromagnet CsVCl3 could be clearly detected by the correction of the resolution function. The developed analysis for the resolution correction was also applied to a study of a three-dimensional spin system. Magnetic excitation spectra in a powder sample of a metal ferromagnet SrRuO3 were measured, and then temperature dependence of spin waves was successfully detected.
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Report
(4 results)
Research Products
(111 results)
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[Journal Article] Neutron Brillouin Scattering Experiments with Pulsed Neutrons on High Resolution Chopper Spectrometer HRC2014
Author(s)
S. Itoh, T. Yokoo, D. Kawana, Y. Kaneko, Y. Tokura, M. Fujita, K. Yoshida, K. Saito, N. Inami, Y. Takeichi, K. Ono, Y. Endoh
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Journal Title
J. Phys.: Conf. Series
Volume: 502
Pages: 1-5
DOI
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Peer Reviewed
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[Journal Article] Observation of spin-wave dispersion in Nd-Fe-B magnets using neutron Brillouin scattering2014
Author(s)
K. Ono, N. Inami, K. Saito, Y. Takeichi, M. Yano, T. Shoji, A. Manabe, A. Kato, Y. Kaneko, D. Kawana, T. Yokoo , and S. Itoh
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Journal Title
J. Appl. Phys.
Volume: 115
Issue: 17
Pages: 1-3
DOI
Related Report
Peer Reviewed
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[Journal Article] Newly Proposed Inelastic Neutron Spectrometer POLANO2013
Author(s)
Tetsuya Yokoo, Kenji Ohoyama, Shinichi Itoh, Junichi Suzuki, Kazuaki Iwasa, Taku J Sato, Hiroshi Kira, Yoshifumi Sakaguchi, Takashi Ino, Takayuki Oku, Keisuke Tomiyasu, Masato Matsuura, Haruhiro Hiraka, Masaki Fujita, Hiroyuki Kimura, Toyoto Sato, Junichi Suzuki, Masayasu Takeda, Koji Kaneko, Masahiro Hino, Suguru Muto
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Journal Title
J. Phys. Soc. Jpn. Supplement A
Volume: 82
Issue: Suppl.A
Pages: SA035-SA035
DOI
Related Report
Peer Reviewed
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[Journal Article] Basic Concepts of Polarisation Analysis for Neutron Chopper Spectrometer POLANO at J-PARC2013
Author(s)
K. Ohoyama, T. Yokoo, S. Itoh, J. Suzuki, K. Iwasa, T. J. Sato, H. Kira, Y. Sakaguchi, T. Ino, T. Oku, K. Tomiyasu, M. Matsuura, H. Hiraka, M. Fujita, H. Kimura, T. Sato, J. Suzuki, H. M. Shimizu, T. Arima, M. Takeda, K. Kaneko, M. Hino, S. Muto, H. Nojiri, C. H. Lee, J. G. Park, S. Choi
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Journal Title
J. Phys. Soc. Jpn. Supplement A
Volume: 82
Issue: Suppl.A
Pages: SA036-SA036
DOI
Related Report
Peer Reviewed
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[Journal Article] Recent Developments of Instruments in a Spallation Neutron Source at J-PARC and Those Prospects in the Future2013
Author(s)
M. Arai, R. Kajimoto, M. Nakamura, Y. Inamura, K. Nakajima, K. Shibata, N. Takahashi, J. Suzuki, S. Takata, T. Yamada, S. Itoh
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Journal Title
J. Phys. Soc. Jpn.
Volume: 82
Issue: Suppl.A
Pages: SA024-SA024
DOI
Related Report
Peer Reviewed
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[Presentation] Software Development at HRC2015
Author(s)
D. Kawana, T. Asami, R. Sugiura, H. Yoshizawa, T. Masuda, T. Yokoo, and S. Itoh
Organizer
The 14th Korea-Japan Meeting on Neutron Science
Place of Presentation
いばらき量子ビーム研究センター(東海村)
Year and Date
2015-01-07 – 2015-01-09
Related Report
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[Presentation] Instrument Developments and Neutron Brillouin Scattering Experiments on HRC2014
Author(s)
S. Itoh, T. Yokoo, T. Masuda, H. Yoshizawa, M. Soda, Y. Ikeda, S. Ibuka, T. Asami, R. Sugiura, D. Kawana, T. Shinozaki, and Y. Ihata
Organizer
International Collaboration on Advanced Neutron Sources (ICANS XXI)
Place of Presentation
茨城県立県民文化センター(水戸市)
Year and Date
2014-09-29 – 2014-10-03
Related Report
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[Presentation] CePd2P2の強磁性秩序2014
Author(s)
池田陽一,吉沢英樹,横尾哲也,伊藤晋一
Organizer
日本物理学会2014年秋季大会
Place of Presentation
中部大学春日井キャンパス(春日井市)
Year and Date
2014-09-07 – 2014-09-11
Related Report
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[Presentation] Science from the initial operation of HRC2014
Author(s)
S. Itoh, T. Yokoo, T. Masuda, H. Yoshizawa, M. Soda, Y. Ikeda, D. Kawana, T. J. Sato, Y. Nambu, K. Kuwahara, S. Yano, J. Akimitsu, Y. Kaneko, Y. Tokura, M. Fujita, M. Hase, K. Iwasa, H. Hiraka, T. Fukuda, K. Ikeuchi, K. Yoshida, T. Yamaguchi, K. Ono, Y. Endoh
Organizer
The 2nd International Symposium on Science at J-PARC
Place of Presentation
つくば国際会議場(つくば市)
Year and Date
2014-07-12 – 2014-07-15
Related Report
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[Presentation] Polarized Neutron Spectrometer at J-PARC, POLANO2014
Author(s)
T. Yokoo, K. Ohoyama, S. Itoh, K. Iwasa, N. Kaneko, J. Suzuki, M. Ohkawara, K. Aizawa, S. Tasaki, T. Ino, K. Taketani, S. Ishimoto, M. Takeda, T. Oku,
H. Kira, S. Satoh, K. Hayashi, H. Kimura, T. J. Sato
Organizer
13th Japan-Korea meeting on Neutron Science
Place of Presentation
Lotte Resort Buyeo (Buyeo, Korea)
Related Report
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[Presentation] Neutron Brillouin Scattering Experiments with Pulsed Neutrons on High Resolution Chopper Spectrometer, HRC2013
Author(s)
S. Itoh, T. Yokoo, D. Kawana, Y. Kaneko, Y. Tokura, M. Fujita, K. Yoshida, N. Inami, Y. Takeichi, K. Ono, and Y. Endoh
Organizer
Light and Particle Beams in Materials Science 2013 (LPBMS2013)
Place of Presentation
つくば国際会議場(つくば市)
Related Report
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[Presentation] Concepts of Neutron Polarisation Analysis Devices for a New Neutron Chopper Spectrometer in J-PARC2013
Author(s)
K. Ohoyama, T. Yokoo, S. Itoh, T. Ino, M. Ohkawara, T. Oku, S. Tasaki, K. Iwasa, T. J. Sato, S. Ishimoto, K. Taketani, H. Kira, Y. Sakaguch, H. Hiraka, H. M. Shimizu, M. Takeda, M. Hino, K. Hayashi, M. Kenzelmann, U. Fliges, P. Hautle
Organizer
Light and Particle Beams in Materials Science 2013 (LPBMS2013)
Place of Presentation
つくば国際会議場(つくば市)
Related Report
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[Presentation] Spin-wave dispersion in Nd-Fe-B magnet2013
Author(s)
K. Ono, N. Inami, K. Saito, Y. Takeichi, M. Yano, T. Shoji, A. Manabe, A. Kato, Y. Kaneko, D. Kawana, T. Yokoo , and S. Itoh
Organizer
The 58th Annual Conference on Magnetism and Magnetic Materials
Place of Presentation
Denver(アメリカ)
Related Report
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[Presentation] 偏極中性子散乱装置POLANOの概要と建設計画2013
Author(s)
大山研司,横尾哲也,伊藤晋一,大河原学,金子直勝,鈴木純一,岩佐和晃,佐藤卓,猪野隆,田崎誠司,竹谷薫,石元茂,武田全康,奥隆之,吉良弘,林好一,平賀晴弘,藤田全基,富安啓輔,木村宏之,J.G. Park
Organizer
日本中性子科学会第13回年会
Place of Presentation
さわやかちば県民プラザ(柏市)
Related Report
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[Presentation] Detection of Orbital Wave in YVO3 Using Inelastic Neutron Scattering2012
Author(s)
D. Kawana, Y. Murakami, T. Yokoo, S. Itoh, A. T. Savici, G. E. Granroth, K. Ikeuchi, H. Nakao, K. Iwasa, R. Fukuta, S. Miyasaka, S Tajima, S. Ishihara and Y. Tokura
Organizer
The 19th International Conference on Magnetism (ICM2012) with Strongly Correlated Election Systems (SCES)
Place of Presentation
Busan Exhibition and Convention Center, Busan, 韓国
Related Report
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[Presentation] Progress in High Resolution Chopper Spectrometer (HRC)2012
Author(s)
S. Itoh, T. Yokoo, D. Kawana, S. Satoh, H. Yoshizawa, T. Masuda and T. J. Sato
Organizer
Nikko Joint Conference between 10th International Conference on Quasielastic Neutron Scattering and 5th Workshop on Inelastic Neutron Spectrometers (QENS2012/WINS2012)
Place of Presentation
日光総合会館(日光)
Related Report
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