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2011 Fiscal Year Final Research Report

NMR of extremely diluted impurity helium-3in quantum solid helium-4

Research Project

  • PDF
Project/Area Number 22654039
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeSingle-year Grants
Research Field Condensed matter physics II
Research InstitutionKyoto University

Principal Investigator

SASAKI Yutaka  京都大学, 低温物質科学研究センター, 准教授 (60205870)

Research Collaborator TODA Ryo  京都大学, 大学院・理学研究科, 特定研究員
PATRYK Gumann  米国Rutgers大学, 研究員
ONOE Wakana  京都大学, 大学院・理学研究科, 大学院生
KANEMOTO Masatomo  京都大学, 大学院・理学研究科, 大学院生
KAKUDA Tomoyuki  京都大学, 大学院・理学研究科, 大学院生
TANAKA Yusuke  京都大学, 大学院・理学研究科, 大学院生
ITO Ryosuke  京都大学, 大学院・理学研究科, 大学院生
HITOMI Junji  京都大学, 大学院・理学研究科, 大学院生
KASAI Jun  京都大学, 理学部, 学部生
MIYATSU Satoshi  京都大学, 理学部, 学部生
WATARAI Kosuke  京都大学, 理学部, 学部生
MINKI Jeong  京都大学, 低温物質科学研究センター, 研究員(研究機関)
Project Period (FY) 2010 – 2011
Keywordsスーパーソリッド / 不純物効果 / NMR / MRI / SQUID
Research Abstract

Technical development aiming NMR measurement on less than 1ppm of helium 3impurity was carried out to investigate supersolid like behavior in solid helium 4. Afactor of 10000 improvement over standard NMR measurement was shown to befeasible by using SQUID preamplifier. It was shown that the suppression ofsupersolidity remain unchanged regardless of the distributions of helium 3 impurity ina crystal.

  • Research Products

    (11 results)

All 2012 2011 2010 Other

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (7 results) Remarks (2 results)

  • [Journal Article] Simultaneous Measurement of Torsional Oscillator and NMR in Solid 4He with 10 ppm of 3He2011

    • Author(s)
      R. Toda, W. Onoe, M. Kanemoto, T. Kakuda, Y. Tanaka, and Y. Sasaki
    • Journal Title

      Low Temp. Phys

      Volume: 162 Pages: 476-482

    • DOI

      doi:10.1007/s10909-010-0279-z

    • Peer Reviewed
  • [Journal Article] Simultaneous measurement of torsional oscillator and NMR of very dilute 3He in solid4He2010

    • Author(s)
      R. Toda, P. Gumman, K. Kosaka, M. Kanemoto, W. Onoe, and Y. Sasaki
    • Journal Title

      Physical Review

      Volume: B 82 Pages: 219901

    • DOI

      doi:10.1103/PhysRevB.82.219901

    • Peer Reviewed
  • [Presentation] 極小ノイズのSQUIDアンプを用いたNMR装置の開発2012

    • Author(s)
      笠井純, 宮津怜嗣, 渡會康介, Minki Jeong, 佐々木豊
    • Organizer
      京都大学低温物質科学研究センター第10回講演会・研究交流会
    • Place of Presentation
      京都大学,京都市
    • Year and Date
      2012-03-09
  • [Presentation] Evidence of Diluted Superfluid3He in Aerogel2012

    • Author(s)
      伊藤良介, 田中佑輔, 人見純司, 戸田亮, 金本真知, 佐々木豊
    • Organizer
      物性研究所短期研究会「量子凝縮系におけるdefectsおよびtopology」,東京大学物性研究所
    • Place of Presentation
      柏市
    • Year and Date
      2012-01-05
  • [Presentation] 4He超固体中の微量不純物3HeのNMR2011

    • Author(s)
      佐々木豊
    • Organizer
      理研シンポジウム「量子凝縮系の非線形・非平衡現象」,理化学研究所
    • Place of Presentation
      和光市
    • Year and Date
      2011-01-04
  • [Presentation] Inhomogeneous Distribution of impurity 3He in Solid4He with NCRI2010

    • Author(s)
      R. Toda, W. Onoe, M. Kanemoto, T. Kakuda, Y. Tanaka, and Y. Sasaki
    • Organizer
      Korea-Japan Solid Helium Workshop
    • Place of Presentation
      KAIST, Daejeon, Korea
    • Year and Date
      2010-12-20
  • [Presentation] 4He固体中極微量3He不純物の磁化緩和過程2010

    • Author(s)
      戸田亮, 尾上わか奈, Patryk Gumann, 金本真知, 角田智幸, 田中佑輔, 佐々木豊
    • Organizer
      日本物理学会2010年秋季大会
    • Year and Date
      2010-09-26
  • [Presentation] Simultaneous measurement of torsional oscillator and NMRin solid4Hewith 10ppm of 3He2010

    • Author(s)
      R. Toda, W. Onoe, M. Kanemoto, T. Kakuda, Y. Tanaka, and Y. Sasaki
    • Organizer
      International Symposium on Quantum Fluids and Solids QFS2010
    • Place of Presentation
      Grenoble, France
    • Year and Date
      2010-08-05
  • [Presentation] NMR measurement on extremely diluted 3He impurity in solid 4^He with NCRI2010

    • Author(s)
      R. Toda, W. Onoe, M. Kanemoto, T. Kakuda, Y. Tanaka, and Y. Sasaki
    • Organizer
      Super solidity 2010
    • Place of Presentation
      Paris, France
    • Year and Date
      2010-07-30
  • [Remarks]

    • URL

      http://www2.scphys.kyoto-u.ac.jp/Labos/Teion/

  • [Remarks]

    • URL

      http://www.scphys.kyoto-u.ac.jp/gcoe/Announcements/Newsletter/Newsletter10.pdf

URL: 

Published: 2013-07-31  

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