{"id":7398,"date":"2026-10-13T15:20:39","date_gmt":"2026-10-13T06:20:39","guid":{"rendered":"https:\/\/www.ifs.tohoku.ac.jp\/jpn\/?p=7398"},"modified":"2026-10-14T09:22:28","modified_gmt":"2026-10-14T00:22:28","slug":"%e3%80%90%e3%83%97%e3%83%ac%e3%82%b9%e3%83%aa%e3%83%aa%e3%83%bc%e3%82%b9%e3%80%91%e5%a4%aa%e9%99%bd%e9%a2%a8%e3%81%ae%e3%80%8c%e3%83%9f%e3%82%af%e3%83%ad%e3%81%a8%e3%83%9e%e3%82%af%e3%83%ad%e3%81%ae","status":"publish","type":"post","link":"https:\/\/www.ifs.tohoku.ac.jp\/jpn\/news\/7398\/","title":{"rendered":"\u3010\u30d7\u30ec\u30b9\u30ea\u30ea\u30fc\u30b9\u3011\u592a\u967d\u98a8\u306e\u300c\u30df\u30af\u30ed\u3068\u30de\u30af\u30ed\u306e\u5883\u754c\u300d\u3067\u78c1\u5834\u306e\u306d\u3058\u308c\u304c\u6210\u9577\u3059\u308b\u65b0\u73fe\u8c61\u3092\u767a\u898b \uff0d\u63a2\u67fb\u6a5fPSP\u306e\u8d85\u9ad8\u7cbe\u5ea6\u30c7\u30fc\u30bf\u304c\u3082\u305f\u3089\u3059\u30d7\u30e9\u30ba\u30de\u4e71\u6d41\u7406\u8ad6\u306e\u65b0\u305f\u306a\u5730\u5e73\uff0d (2026.10.13)"},"content":{"rendered":"\u3010\u767a\u8868\u306e\u30dd\u30a4\u30f3\u30c8\u3011<br \/>\u30fbNASA\u306e\u592a\u967d\u63a2\u67fb\u6a5f\u300c\u30d1\u30fc\u30ab\u30fc\u30fb\u30bd\u30fc\u30e9\u30fc\u30fb\u30d7\u30ed\u30fc\u30d6\u300d(Parker Solar Probe; PSP)\u306e\u89b3\u6e2c\u30c7\u30fc\u30bf\u3092\u7528\u3044\u3001\u592a\u967d\u98a8\u306e\u4e2d\u3067\u78c1\u5834\u306e\u300c\u306d\u3058\u308c\u300d\u300c\u6e26\u300d\u300c\u7d50\u3073\u3064\u304d\u300d\u3092\u793a\u3059\u78c1\u6c17\u30d8\u30ea\u30b7\u30c6\u30a3\u30fc\u304c\u3001\u6642\u9593\u3068\u3068\u3082\u306b\u5927\u304d\u306a\u69cb\u9020\u3078\u3068\u6210\u9577\u3057\u3066\u3044\u304f\u73fe\u8c61\u3092\u4e16\u754c\u3067\u521d\u3081\u3066\u76f4\u63a5\u6349\u3048\u307e\u3057\u305f\u3002<br \/>\u30fb\u3053\u306e\u78c1\u5834\u306e\u300c\u6e26\u300d\u306e\u5927\u304d\u3055\u306e\u6210\u9577\u304c\u3001\u592a\u967d\u98a8\u30d7\u30e9\u30ba\u30de\u3092\u500b\u3005\u306e\u7c92\u5b50\u306e\u96c6\u307e\u308a\u3068\u3057\u3066\u6271\u3048\u308b\u30df\u30af\u30ed\u306a\u30b9\u30b1\u30fc\u30eb\uff08kinetic scale)\u3068\u3001\u6d41\u4f53\u3068\u3057\u3066\u6271\u3048\u308b\u30de\u30af\u30ed\u306a\u30b9\u30b1\u30fc\u30eb\uff08MHD scale)\u306e\u300c\u5883\u754c\u9818\u57df\u300d\u3067\u8d77\u304d\u3066\u3044\u308b\u3053\u3068\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002\u5f93\u6765\u306e\u7269\u7406\u5b66\u306e\u67a0\u7d44\u307f\uff08\u30ab\u30b9\u30b1\u30fc\u30c9\u7406\u8ad6\uff09\u3067\u306f\u8aac\u660e\u3067\u304d\u306a\u3044\u672a\u77e5\u306e\u30b9\u30b1\u30fc\u30eb\u9818\u57df\u3067\u3042\u308a\u3001\u30d7\u30e9\u30ba\u30de\u4e71\u6d41\u306e\u7406\u8ad6\u3092\u62e1\u5f35\u3059\u308b\u753b\u671f\u7684\u306a\u767a\u898b\u3067\u3059\u3002<br \/>\u30fb\u4e71\u6d41\u8f38\u9001\u306e\u57fa\u790e\u7406\u8ad6\u306e\u767a\u5c55\u306b\u3088\u308a\u3001GPS\u969c\u5bb3\u3084\u9001\u96fb\u7db2\u306e\u505c\u96fb\u3092\u5f15\u304d\u8d77\u3053\u3059\u300c\u5b87\u5b99\u5929\u6c17\u300d\u306e\u9ad8\u7cbe\u5ea6\u306a\u4e88\u6e2c\u3084\u3001\u5c06\u6765\u306e\u30af\u30ea\u30fc\u30f3\u30a8\u30cd\u30eb\u30ae\u30fc\u3068\u3057\u3066\u671f\u5f85\u3055\u308c\u308b\u300c\u6838\u878d\u5408\u767a\u96fb\u300d\u3067\u306e\u30d7\u30e9\u30ba\u30de\u5b89\u5b9a\u5316\u6280\u8853\u3078\u306e\u8ca2\u732e\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002<br \/><br \/><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.ifs.tohoku.ac.jp\/jpn\/wp-content\/uploads\/sites\/2\/2026\/10\/item20261013_04_PSP.jpg\" alt=\"\" width=\"600\" height=\"337\" class=\"alignnone wp-image-7409\" \/><br \/>\u592a\u967d\u63a2\u67fb\u6a5f\u300c\u30d1\u30fc\u30ab\u30fc\u30fb\u30bd\u30fc\u30e9\u30fc\u30fb\u30d7\u30ed\u30fc\u30d6\u300d<br \/>Image credit: NASA\/Johns Hopkins APL\/Steve Gribben<br \/><br \/><br \/>\u3010\u6982\u8981\u3011<br \/>\u3000\u30d6\u30e9\u30a6\u30f3\u30b7\u30e5\u30f4\u30a1\u30a4\u30af\u5de5\u79d1\u5927\u5b66\u7406\u8ad6\u7269\u7406\u5b66\u7814\u7a76\u6240\uff08\u30c9\u30a4\u30c4\uff09\u306e\u6210\u7530\u5eb7\u4eba\u6559\u6388\u3068\u98ef\u6fa4\u6b63\u767b\u5b9f\u6559\u6388\u4ee3\u7406\u3001\u6771\u4eac\u5927\u5b66\u5927\u5b66\u9662\u7406\u5b66\u7cfb\u7814\u7a76\u79d1\u306e\u6a2a\u4e95\u559c\u5145\u5ba2\u54e1\u5171\u540c\u7814\u7a76\u54e1\uff08\u517c\uff1a\u6771\u5317\u5927\u5b66\u6d41\u4f53\u79d1\u5b66\u7814\u7a76\u6240\u5ba2\u54e1\u51c6\u6559\u6388\uff08\u7814\u7a76\u5f53\u6642\uff09\uff09\u3001\u4e5d\u5dde\u5927\u5b66\u5927\u5b66\u9662\u7dcf\u5408\u7406\u5de5\u5b66\u7814\u7a76\u9662\u306e\u677e\u6e05\u4fee\u4e00\u6559\u6388\uff08\u517c\uff1a\u5927\u962a\u5927\u5b66\u30ec\u30fc\u30b6\u30fc\u79d1\u5b66\u7814\u7a76\u6240\u62db\u3078\u3044\u6559\u6388\uff09\u3089\u306b\u3088\u308b\uff11\uff10\u30ab\u56fd\u304b\u3089\u306a\u308b\u56fd\u969b\u7814\u7a76\u30c1\u30fc\u30e0\uff08\u65e5\u30fb\u72ec\u30fb\u30b9\u30a6\u30a7\u30fc\u30c7\u30f3\u30fb\u8c6a\u30fb\u7c73\u30fb\u4ecf\u30fb\u4f0a\u30fb\u30eb\u30fc\u30de\u30cb\u30a2\u30fb\u30d6\u30e9\u30b8\u30eb\u30fb\u30b8\u30e7\u30fc\u30b8\u30a2\uff09\u306f\u3001\u592a\u967d\u304b\u3089\u5439\u304d\u51fa\u3059\u300c\u592a\u967d\u98a8\u300d<sup>\uff08\u6ce81\uff09<\/sup>\u306b\u304a\u3044\u3066\u3001\u78c1\u5834\u306e\u306d\u3058\u308c\u69cb\u9020\u3092\u793a\u3059\u300c\u78c1\u6c17\u30d8\u30ea\u30b7\u30c6\u30a3\u30fc\u300d<sup>\uff08\u6ce82\uff09<\/sup>\u304c\u5927\u304d\u306a\u69cb\u9020\u3078\u6210\u9577\u3057\u3066\u3044\u304f\u73fe\u8c61\u3092\u4e16\u754c\u3067\u521d\u3081\u3066\u89b3\u6e2c\u3057\u307e\u3057\u305f\u3002<br \/><br \/>\u3000\u672c\u7814\u7a76\u306f\u3001\u7c92\u5b50\u306e\u96c6\u5408\u3068\u3057\u3066\u306e\u6027\u8cea\u3068\u6d41\u4f53\u3068\u3057\u3066\u306e\u6027\u8cea\u304c\u4ea4\u5dee\u3059\u308b\u5883\u754c\u9818\u57df\u3067\u3001\u78c1\u5834\u306e\u300c\u6e26\u300d\u304c\u81ea\u3089\u5927\u304d\u306a\u69cb\u9020\u3092\u4f5c\u3063\u3066\u3044\u304f\u3053\u3068\u3092\u793a\u3057\u307e\u3057\u305f\u3002\u4e71\u6d41\u8f38\u9001\u306e\u57fa\u790e\u7406\u8ad6\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u306e\u6210\u679c\u306f\u3001\u5b87\u5b99\u5929\u6c17\u306e\u7cbe\u5ea6\u5411\u4e0a\u3084\u6b21\u4e16\u4ee3\u30a8\u30cd\u30eb\u30ae\u30fc\u3067\u3042\u308b\u6838\u878d\u5408\u7089\u306e\u5236\u5fa1\u306b\u5927\u304d\u304f\u8ca2\u732e\u3059\u308b\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002<br \/><br \/><br \/><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.ifs.tohoku.ac.jp\/jpn\/wp-content\/uploads\/sites\/2\/2026\/10\/fig1.png\" alt=\"\" width=\"600\" height=\"479\" class=\"alignnone wp-image-7410\" \/><br \/>\u56f31. PSP\u306b\u3088\u308b\u89b3\u6e2c\u30c7\u30fc\u30bf\u304b\u3089\u5f97\u3089\u308c\u305f\u6b63\u898f\u5316\u78c1\u6c17\u30d8\u30ea\u30b7\u30c6\u30a3\u30fc\u5bc6\u5ea6\u30b9\u30da\u30af\u30c8\u30eb\u3092\u592a\u967d\u304b\u3089\u306e\u8ddd\u96e2\uff08\u6a2a\u8ef8\uff09\u6bce\u306b\u30d7\u30ed\u30c3\u30c8\u3057\u305f\u56f3\u3002\u7e26\u306f\u30b9\u30b1\u30fc\u30eb\u3092\u793a\u3059\uff08\u4e0a\u306b\u884c\u304f\u307b\u3069\u5c0f\u30b9\u30b1\u30fc\u30eb\uff09\u30020.1 AU\u4ed8\u8fd1\u3067\u306f10Hz\u4ed8\u8fd1\u304c\u6d41\u4f53\u63cf\u50cf\u3068\u7c92\u5b50\u63cf\u50cf\u304c\u9069\u7528\u3067\u304d\u308b\u9818\u57df\u306e\u300c\u5883\u754c\u9818\u57df\u300d\u3002\u300c\u5883\u754c\u9818\u57df\u300d\u306f\u74b0\u5883\u306b\u5fdc\u3058\u3066\u5909\u52d5\u3059\u308b\uff08\u8ad6\u6587\u53c2\u7167\uff09\u3002\u9ec4\u7dda\u306f\u6307\u6570\u95a2\u6570\u66f2\u7dda\u306e\u4e00\u4f8b\u3067\u3001\u78c1\u6c17\u30d8\u30ea\u30b7\u30c6\u30a3\u30fc\u306e\u30b9\u30b1\u30fc\u30eb\u304c\u6307\u6570\u95a2\u6570\u7684\u306b\u5897\u5927\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308b\u3002\u8d64\u3068\u9752\u306e\u4e8c\u91cd\u69cb\u9020\u306f\u3001\u30b9\u30b1\u30fc\u30eb\u306b\u3088\u3063\u3066\u78c1\u6c17\u30d8\u30ea\u30b7\u30c6\u30a3\u30fc\u306e\u7b26\u53f7\u304c\u7570\u306a\u308b\u3053\u3068\uff08\u6b63\u8ca0\u306e\u30d8\u30ea\u30b7\u30c6\u30a3\u30fc\u304c\u5171\u5b58\u3059\u308b\u30d0\u30a4\u30d8\u30ea\u30ab\u30eb\u69cb\u9020\u3067\u3042\u308b\u3053\u3068\uff09\u3092\u610f\u5473\u3059\u308b\u3002\u672c\u6e2c\u5b9a\u306f\u885b\u661f\u642d\u8f09\u306e\u30d5\u30e9\u30c3\u30af\u30b9\u30b2\u30fc\u30c8\u78c1\u5834\u8a08\u306b\u3088\u308b\u6e2c\u5b9a\u3068\u3057\u3066\u306f\u6975\u3081\u3066\u9ad8\u901f\u306a\u6e2c\u5b9a\uff08\u30d0\u30fc\u30b9\u30c8\u30e2\u30fc\u30c9\uff09\u304c\u884c\u308f\u308c\u305f\u5730\u70b9\u306e\u30c7\u30fc\u30bf\u3092\u90e8\u5206\u7684\u306b\u7528\u3044\u3066\u304a\u308a\u3001\u901a\u5e38\u30e2\u30fc\u30c9\u3067\u306f\u5f97\u3089\u308c\u306a\u3044\u5468\u6ce2\u6570\u9818\u57df\u306f\u9ed2\u8272\u3067\u793a\u3057\u3066\u3044\u308b\u3002<br \/><br \/>\u3010\u7528\u8a9e\u89e3\u8aac\u3011<br \/>\u6ce81. \u592a\u967d\u98a8<br \/>\u592a\u967d\u306e\u8868\u9762\uff08\u30b3\u30ed\u30ca\uff09\u304b\u3089\u5b87\u5b99\u7a7a\u9593\u3078\u5411\u304b\u3063\u3066\u7d76\u3048\u9593\u306a\u304f\u5439\u304d\u51fa\u3057\u3066\u3044\u308b\u3001\u8d85\u9ad8\u901f\uff08\u79d2\u901f\u6570\u767ekm\uff09\u306e\u96fb\u96e2\u6c17\u4f53\uff08\u30d7\u30e9\u30ba\u30de\uff09\u306e\u6d41\u308c\u3002\u5730\u7403\u8fd1\u508d\u3092\u542b\u3080\u592a\u967d\u570f\u5168\u4f53\u306b\u5e83\u304c\u3063\u3066\u304a\u308a\u3001\u5730\u7403\u306e\u78c1\u6c17\u570f\u3068\u3076\u3064\u304b\u308b\u3053\u3068\u3067\u30aa\u30fc\u30ed\u30e9\u3092\u5f15\u304d\u8d77\u3053\u3059\u307b\u304b\u3001\u305d\u306e\u6fc0\u3057\u3044\u5909\u52d5\u304c\u300c\u78c1\u6c17\u5d50\u300d\u3068\u3057\u3066\u5730\u4e0a\u3084\u885b\u661f\u306e\u793e\u4f1a\u30a4\u30f3\u30d5\u30e9\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u53ca\u307c\u3059\u3002<br \/><br \/>\u6ce82. \u78c1\u6c17\u30d8\u30ea\u30b7\u30c6\u30a3\u30fc<br \/>\u78c1\u5834\u304c\u3069\u308c\u304f\u3089\u3044\u306d\u3058\u308c\u305f\u308a\u3001\u304b\u3089\u307f\u5408\u3063\u305f\u308a\u3057\u3066\u3044\u308b\u304b\u3092\u793a\u3059\u7269\u7406\u91cf\u3002\u96fb\u6c17\u62b5\u6297\u3084\u78c1\u5834\u306e\u6f0f\u308c\u304c\u306a\u3044\u7406\u60f3\u7684\u306a\u74b0\u5883\u3067\u306f\u5909\u5316\u305b\u305a\u306b\u4fdd\u305f\u308c\u308b\uff08\u4fdd\u5b58\u91cf\u3067\u3042\u308b\uff09\u6027\u8cea\u304c\u3042\u308a\u3001\u5b9f\u969b\u306e\u592a\u967d\u98a8\u306b\u304a\u3044\u3066\u3082\u304d\u308f\u3081\u3066\u5d29\u308c\u306b\u304f\u3044\u300c\u9811\u5065\u306a\u300d\u4fdd\u5b58\u91cf\u3068\u3057\u3066\u632f\u308b\u821e\u3046\u3053\u3068\u304c\u77e5\u3089\u308c\u3066\u3044\u308b\u3002\u78c1\u5834\u304c\u6301\u3064\u69cb\u9020\u306e\u5b89\u5b9a\u6027\u3084\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u4fdd\u6301\u306b\u6df1\u304f\u95a2\u308f\u3063\u3066\u3044\u308b\u3002<br \/><br \/><br \/>\u3010\u8ad6\u6587\u60c5\u5831\u3011<br \/>\u96d1\u8a8c\u540d\uff1aThe Astrophysical Journal Letters (ApJL)<br \/>\u984c\u3000\u540d\uff1aNonlocal Evolution of Magnetic Helicity across the Magnetohydrodynamic\u2013Kinetic Interface<br \/>\u8457\u8005\u540d\uff1aMasatomi Iizawa, Yasuhito Narita, Tommaso Alberti, Stuart D. Bale, Axel Brandenburg, Abraham C.-L. Chian, Horia Comi\u0219el, Shuichi Matsukiyo, Nobumitsu Yokoi \uff08\u72ec\u6a5f\u95a2\u6240\u5c5e\u8005\u4ee5\u5916\u306f\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u9806\uff09<br \/>DOI\uff1a<a href=\"https:\/\/doi.org\/10.3847\/2041-8213\/aea84b\" target=\"_blank\" rel=\"noopener\">10.3847\/2041-8213\/aea84b<\/a><br \/><br \/><br \/>\uff1c\u95a2\u9023\u30ea\u30f3\u30af\uff1e<br \/><a href=\"https:\/\/www.tohoku.ac.jp\/japanese\/2026\/10\/press20261013-04-PSP.html\" target=\"_blank\" rel=\"noopener\">\u6771\u5317\u5927\u5b66\u30d7\u30ec\u30b9\u30ea\u30ea\u30fc\u30b9<\/a><br \/><br \/><br \/>\uff1c\u554f\u3044\u5408\u308f\u305b\u5148\uff1e<br \/>\uff08\u7814\u7a76\u306b\u95a2\u3059\u308b\u3053\u3068\uff09<br \/>\u6771\u4eac\u5927\u5b66\u5927\u5b66\u9662\u7406\u5b66\u7cfb\u7814\u7a76\u79d1\u3000\u5ba2\u54e1\u5171\u540c\u7814\u7a76\u54e1<br \/>\uff08\u517c\uff1a\u6771\u5317\u5927\u5b66\u6d41\u4f53\u79d1\u5b66\u7814\u7a76\u6240\u5ba2\u54e1\u51c6\u6559\u6388\uff08\u7814\u7a76\u5f53\u6642\uff09\uff09<br \/>\u6a2a\u4e95 \u559c\u5145<br \/>TEL: 03-5841-4585<br \/>E-mail: nobyokoi*iis.u-tokyo.ac.jp<br \/>\uff08*\u3092@\u306b\u7f6e\u304d\u63db\u3048\u3066\u304f\u3060\u3055\u3044\uff09<br \/><br \/>\uff08\u5831\u9053\u306b\u95a2\u3059\u308b\u3053\u3068\uff09<br \/>\u6771\u5317\u5927\u5b66\u6d41\u4f53\u79d1\u5b66\u7814\u7a76\u6240\u3000<br \/>\u56fd\u969b\u7814\u7a76\u6226\u7565\u5ba4\uff08\u5e83\u5831\uff09<br \/>Tel: 022-217-5873<br \/>E-mail: ifs-koho*grp.tohoku.ac.jp<br \/>\uff08*\u3092@\u306b\u7f6e\u304d\u63db\u3048\u3066\u304f\u3060\u3055\u3044\uff09","protected":false},"excerpt":{"rendered":"\u3010\u767a\u8868\u306e\u30dd\u30a4\u30f3\u30c8\u3011\u30fbNASA\u306e\u592a\u967d\u63a2\u67fb\u6a5f\u300c\u30d1\u30fc\u30ab\u30fc\u30fb\u30bd\u30fc\u30e9\u30fc\u30fb\u30d7\u30ed\u30fc\u30d6\u300d(Parker Solar Probe; PSP)\u306e\u89b3\u6e2c\u30c7\u30fc\u30bf\u3092\u7528\u3044\u3001\u592a\u967d\u98a8\u306e\u4e2d\u3067\u78c1\u5834\u306e\u300c\u306d\u3058\u308c\u300d\u300c\u6e26\u300d\u300c\u7d50\u3073\u3064\u304d\u300d\u3092\u793a\u3059\u78c1\u6c17\u30d8\u30ea\u30b7\u30c6\u30a3\u30fc\u304c\u3001\u6642\u9593\u3068 [&hellip;]","protected":false},"author":1,"featured_media":7402,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[41],"tags":[],"class_list":["post-7398","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-press-release"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" 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