{"id":8533,"date":"2024-10-10T13:06:23","date_gmt":"2024-10-10T04:06:23","guid":{"rendered":"https:\/\/unit.nifs.ac.jp\/research\/?post_type=report&#038;p=8533"},"modified":"2024-10-10T13:11:33","modified_gmt":"2024-10-10T04:11:33","slug":"report-8533","status":"publish","type":"report","link":"https:\/\/unit.nifs.ac.jp\/research\/archives\/report\/report-8533","title":{"rendered":"\u4e00\u6b21\u5143\u30d6\u30e9\u30be\u30d5-\u30dd\u30a2\u30bd\u30f3\u7cfb\u306b\u304a\u3051\u308b\u60c5\u5831\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u306e\u6642\u9593\u767a\u5c55"},"content":{"rendered":"\n<p>\u3000\u6838\u878d\u5408\u79d1\u5b66\u7814\u7a76\u6240\u306e\u9023\u643a\u5927\u5b66\u9662\u751f\u3067\u8907\u5408\u5927\u57df\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u30e6\u30cb\u30c3\u30c8\u306e\u30e1\u30f3\u30d0\u30fc\u3067\u3042\u308b\u6771\u4eac\u5927\u5b66\u5927\u5b66\u9662\u65b0\u9818\u57df\u5275\u6210\u79d1\u5b66\u7814\u7a76\u79d1\u5148\u7aef\u30a8\u30cd\u30eb\u30ae\u30fc\u5de5\u5b66\u5c02\u653b\u535a\u58eb\u8ab2\u7a0b3\u5e74\u751f\u306e\u524d\u89d2\u5f18\u6bc5\u3089\u304c\u300cTime evolutions of information entropies in a one-dimensional Vlasov\u2013Poisson system\u300d\u306b\u3064\u3044\u3066\u306e\u7814\u7a76\u6210\u679c\u3092\u307e\u3068\u3081\u3001\u305d\u306e\u8ad6\u6587\u304c\u300cPhysics of Plasmas\u300d\u306e2024\u5e7410\u6708\u53f7\u306b\u63b2\u8f09\u3055\u308c\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u3001\u672c\u8ad6\u6587\u306fFeatured Article\u306b\u9078\u3070\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u3010\u8ad6\u6587\u6982\u8981\u3011<\/p>\n\n\n\n<p>1\u6b21\u5143\u306e\u30d6\u30e9\u30be\u30d5-\u30dd\u30a2\u30bd\u30f3\u7cfb\u306b\u304a\u3044\u3066\u3001\u96fb\u5b50\u306e\u4f4d\u7f6e\u3068\u901f\u5ea6\u5909\u6570\u306e\u78ba\u7387\u5206\u5e03\u95a2\u6570\u306e\u60c5\u5831\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u304c\u30e9\u30f3\u30c0\u30a6\u6e1b\u8870\u904e\u7a0b\u306b\u304a\u3044\u3066\u3069\u306e\u3088\u3046\u306b\u767a\u5c55\u3059\u308b\u304b\u304c\u793a\u3055\u308c\u305f\u3002cos\u95a2\u6570\u5f62\u306e\u7a7a\u9593\u5206\u5e03\u3092\u6301\u3064\u5bc6\u5ea6\u6442\u52d5\u3068\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u901f\u5ea6\u5206\u5e03\u306b\u3088\u3063\u3066\u4e0e\u3048\u3089\u308c\u305f\u521d\u671f\u6761\u4ef6\u304b\u3089\u3001\u65e9\u671f\u304a\u3088\u3073\u9577\u671f\u53cc\u65b9\u306e\u6642\u9593\u9818\u57df\u306b\u304a\u3051\u308b\u5206\u5e03\u95a2\u6570\u3068\u96fb\u5834\u306e\u6319\u52d5\u3092\u6b63\u78ba\u306b\u8a18\u8ff0\u3059\u308b\u7dda\u5f62\u304a\u3088\u3073\u6e96\u7dda\u5f62\u89e3\u6790\u89e3\u304c\u5c0e\u51fa\u3055\u308c\u3001\u3053\u308c\u3089\u306e\u89e3\u306e\u59a5\u5f53\u6027\u304c\u3001\u7b49\u9ad8\u7dda\u529b\u5b66\u6cd5(Contour-Dynamics)\u306b\u57fa\u3065\u304f\u975e\u7dda\u5f62\u6570\u5024\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3068\u306e\u6bd4\u8f03\u306b\u3088\u3063\u3066\u78ba\u8a8d\u3055\u308c\u305f\u3002\u5c0e\u304b\u308c\u305f\u6e96\u7dda\u5f62\u89e3\u6790\u89e3\u3092\u7528\u3044\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u901f\u5ea6\u5206\u5e03\u95a2\u6570\u306e\u6642\u9593\u767a\u5c55\u3068\u3001\u30ac\u30a6\u30b9\u5206\u5e03\u304b\u3089\u306e\u305a\u308c\u3092\u793a\u3059\u5c16\u5ea6(kurtosis)\u304c\u3001\u6442\u52d5\u632f\u5e45\u306e2\u4e57\u306e\u7cbe\u5ea6\u3067\u6c42\u3081\u3089\u308c\u3001\u96fb\u5b50\u306e\u4f4d\u7f6e\u3068\u901f\u5ea6\u5909\u6570\u306e\u60c5\u5831\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u3068\u305d\u308c\u3089\u306e\u76f8\u4e92\u60c5\u5831\u91cf\u306e\u6642\u9593\u767a\u5c55\u904e\u7a0b\u304c\u660e\u3089\u304b\u306b\u3055\u308c\u305f\u3002\u3055\u3089\u306b\u3001\u30af\u30fc\u30ed\u30f3\u885d\u7a81\u3092\u8003\u616e\u3059\u308b\u3053\u3068\u3088\u308a\u3001\u7121\u885d\u7a81\u904e\u7a0b\u306e\u6700\u7d42\u72b6\u614b\u304b\u3089\u71b1\u5e73\u8861\u72b6\u614b\u3078\u306e\u7de9\u548c\u904e\u7a0b\u3092\u8003\u5bdf\u3057\u3001\u885d\u7a81\u7de9\u548c\u904e\u7a0b\u3067\u306f\u3001\u4f4d\u7f6e\u5909\u6570\u3068\u901f\u5ea6\u5909\u6570\u306e\u76f8\u4e92\u60c5\u5831\u91cf\u304c0\u306b\u6e1b\u5c11\u3059\u308b\u4e00\u65b9\u3067\u3001\u4f4d\u76f8\u7a7a\u9593\u5206\u5e03\u95a2\u6570\u306e\u5168\u60c5\u5831\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u306f\u76f8\u4e92\u60c5\u5831\u91cf\u306e\u6e1b\u5c11\u5206\u3060\u3051\u5897\u52a0\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u30dc\u30eb\u30c4\u30de\u30f3\u306e&nbsp;H&nbsp;\u5b9a\u7406\u304c\u6210\u7acb\u3059\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u305f\u3002<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"425\" height=\"323\" src=\"http:\/\/unit.nifs.ac.jp\/research\/wp-content\/uploads\/2024\/10\/Maekaku_PoP2024_Fig.jpg\" alt=\"\" class=\"wp-image-8535\" style=\"width:640px\" srcset=\"https:\/\/unit.nifs.ac.jp\/research\/wp-content\/uploads\/2024\/10\/Maekaku_PoP2024_Fig.jpg 425w, https:\/\/unit.nifs.ac.jp\/research\/wp-content\/uploads\/2024\/10\/Maekaku_PoP2024_Fig-300x228.jpg 300w, https:\/\/unit.nifs.ac.jp\/research\/wp-content\/uploads\/2024\/10\/Maekaku_PoP2024_Fig-180x137.jpg 180w\" sizes=\"auto, (max-width: 425px) 100vw, 425px\" \/><figcaption class=\"wp-element-caption\">\u56f3: \u96fb\u5b50\u306e\u904b\u52d5\u30a8\u30cd\u30eb\u30ae\u30fc\u306e\u5909\u5316\u5206 \u0394<em>\u03b5<\/em>(<em>v<\/em>,<em>t<\/em>)\/(<em>\u03b1<\/em><sup>2<\/sup> <em>T<\/em>) (\u5de6\u4e0a\u56f3), \u96fb\u5b50\u306e\u901f\u5ea6\u5206\u5e03\u95a2\u6570\u304b\u3089\u6c42\u3081\u3089\u308c\u305f\u81ea\u5df1\u60c5\u5831\u91cf (\u81ea\u5df1\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc) \u0394<em>S<\/em>(<em>v<\/em>,<em>t<\/em>)\/(<em>\u03b1<\/em><sup>2<\/sup> <em>T<\/em>) (\u5de6\u4e0b\u56f3), \u901f\u5ea6\u5206\u5e03\u95a2\u6570\u306e\u30de\u30af\u30b9\u30a6\u30a7\u30eb\u5e73\u8861\u304b\u3089\u306e\u5909\u5316\u5206 <em>f<\/em><sub><em>2<\/em><\/sub> (<em>v<\/em>,<em>t<\/em>)\/(<em>\u03b1<\/em><sup>2<\/sup> <em>n<\/em><sub><em>0<\/em><\/sub> <em>v<sub>t<\/sub><\/em><sup>-3<\/sup> ) (\u53f3\u4e0a\u56f3), \u304a\u3088\u3073 <em>f<\/em><sub><em>2<\/em><\/sub> (<em>v<\/em>,<em>t<\/em>)\/(<em>\u03b1<\/em><sup>2<\/sup> <em>f<\/em><sub><em>0M<\/em><\/sub> (<em>v<\/em>)) (\u53f3\u4e0b\u56f3) \u3092(<em>v<\/em>,<em>t<\/em>)\u7a7a\u9593\u4e0a\u3067\u7b49\u9ad8\u7dda\u30d7\u30ed\u30c3\u30c8\u3057\u305f\u3082\u306e\u3002\u6442\u52d5\u306e\u6ce2\u6570\u306f <em>k\u03bb<sub>D<\/sub><\/em>=1\/2 \u306b\u3088\u308a\u4e0e\u3048\u305f\u3002\u8d64\u7dda\u306f\uff10\u306e\u5024\u3092\u53d6\u308b\u7b49\u9ad8\u7dda\u3092\u8868\u3059\u3002<\/figcaption><\/figure>\n<\/div>\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u3000\u672c\u7814\u7a76\u306f\u3001\u6838\u878d\u5408\u79d1\u5b66\u7814\u7a76\u6240\u306e<a href=\"https:\/\/nsrp.nifs.ac.jp\/PS\/index.html\">\u30d7\u30e9\u30ba\u30de\u30b7\u30df\u30e5\u30ec\u30fc\u30bf\u96f7\u795e<\/a>\u3092\u4f7f\u7528\u3057\u3066\u884c\u308f\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u3010\u8ad6\u6587\u60c5\u5831\u3011<\/p>\n\n\n\n<p><a href=\"https:\/\/doi.org\/10.1063\/5.0227622\" data-type=\"link\" data-id=\"https:\/\/doi.org\/10.1063\/5.0227622\" target=\"_blank\" rel=\"noopener\">K. Maekaku, H. Sugama, and T.-H. Watanabe; \u201cTime evolutions of information entropies in a one-dimensional Vlasov\u2013Poisson system\u201d, Phys. Plasmas&nbsp;<strong>31<\/strong>, 102101 (2024).<\/a><\/p>\n\n\n\n<p>DOI: <a href=\"https:\/\/doi.org\/10.1063\/5.0227622\" data-type=\"link\" data-id=\"https:\/\/doi.org\/10.1063\/5.0227622\" target=\"_blank\" rel=\"noopener\">10.1063\/5.0227622<\/a><\/p>\n","protected":false},"author":9,"featured_media":8535,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"ppma_author":[347],"class_list":["post-8533","report","type-report","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/unit.nifs.ac.jp\/research\/wp-json\/wp\/v2\/report\/8533","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unit.nifs.ac.jp\/research\/wp-json\/wp\/v2\/report"}],"about":[{"href":"https:\/\/unit.nifs.ac.jp\/research\/wp-json\/wp\/v2\/types\/report"}],"author":[{"embeddable":true,"href":"https:\/\/unit.nifs.ac.jp\/research\/wp-json\/wp\/v2\/users\/9"}],"version-history":[{"count":14,"href":"https:\/\/unit.nifs.ac.jp\/research\/wp-json\/wp\/v2\/report\/8533\/revisions"}],"predecessor-version":[{"id":8564,"href":"https:\/\/unit.nifs.ac.jp\/research\/wp-json\/wp\/v2\/report\/8533\/revisions\/8564"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/unit.nifs.ac.jp\/research\/wp-json\/wp\/v2\/media\/8535"}],"wp:attachment":[{"href":"https:\/\/unit.nifs.ac.jp\/research\/wp-json\/wp\/v2\/media?parent=8533"}],"wp:term":[{"taxonomy":"author","embeddable":true,"href":"https:\/\/unit.nifs.ac.jp\/research\/wp-json\/wp\/v2\/ppma_author?post=8533"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}