{"id":6688,"date":"2025-09-18T18:16:36","date_gmt":"2025-09-18T09:16:36","guid":{"rendered":"https:\/\/tuat-chemphys.net\/?p=6688"},"modified":"2026-03-18T12:57:31","modified_gmt":"2026-03-18T03:57:31","slug":"%e5%8e%9f%e5%ad%90%e3%82%b9%e3%83%94%e3%83%b3%e3%81%ae%e6%b8%ac%e5%ae%9a%ef%bc%9a%e3%82%bb%e3%82%b7%e3%82%a6%e3%83%a0%e5%8e%9f%e5%ad%90%e3%81%b8%e3%81%ae%e6%96%b0%e3%81%9f%e3%81%aa%e6%b4%9e%e5%af%9f-m","status":"publish","type":"post","link":"https:\/\/tuat-chemphys.net\/?p=6688","title":{"rendered":"\u539f\u5b50\u30b9\u30d4\u30f3\u306e\u6e2c\u5b9a\uff1a\u30bb\u30b7\u30a6\u30e0\u539f\u5b50\u3078\u306e\u65b0\u305f\u306a\u6d1e\u5bdf Measuring the Atomic Spins: New Insights into Cesium Atoms"},"content":{"rendered":"\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b3\u30de\u304c\u56de\u8ee2\u3059\u308b\u3088\u3046\u306b\u3001\u539f\u5b50\u306e\u4e2d\u306e\u7c92\u5b50\u3082\u56de\u8ee2\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u300c\u30b9\u30d4\u30f3\u300d\u306f\u91cf\u5b50\u529b\u5b66\u306e\u57fa\u672c\u7684\u306a\u6027\u8cea\u3067\u3001\u73fe\u4ee3\u6280\u8853\u306e\u591a\u304f\u306e\u57fa\u76e4\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u7560\u5c71\u7814\u7a76\u5ba4\u306e\u5b89\u7530\u7460\u5948\u3055\u3093\u3089\u306e\u7814\u7a76\u30c1\u30fc\u30e0\u306f\u3001\u30bb\u30b7\u30a6\u30e0\u539f\u5b50\u306e\u300c\u5168\u30b9\u30d4\u30f3\u89d2\u904b\u52d5\u91cf\u300d\u3092\u6b63\u78ba\u306b\u6e2c\u5b9a\u3059\u308b\u65b0\u3057\u3044\u624b\u6cd5\u3092\u958b\u767a\u3057\u307e\u3057\u305f\u3002Like a spinning top, particles inside atoms also spin. This &#8220;spin&#8221; is a fundamental quantum mechanical property that forms the foundation of many modern technologies. Runa Yasuda (PhD student, Hatakeyama Lab)&#8217;s team have developed a new method to precisely measure the &#8220;total spin angular momentum&#8221; of cesium atoms.<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why Are Spins Important? \u539f\u5b50\u30b9\u30d4\u30f3\u306f\u73fe\u4ee3\u6280\u8853\u3067\u69d8\u3005\u306a\u7528\u9014\u304c\u3042\u308a\u307e\u3059\uff1a<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u78c1\u529b\u8a08<\/strong>\uff1a\u5730\u7403\u306e\u78c1\u5834\u3084\u533b\u7642\u7528MRI\u3067\u4f7f\u7528 <strong>Magnetometers<\/strong>: Used in measuring Earth&#8217;s magnetic field and medical MRI<\/li>\n\n\n\n<li><strong>\u539f\u5b50\u6642\u8a08<\/strong>\uff1aGPS \u30b7\u30b9\u30c6\u30e0\u306e\u6642\u9593\u57fa\u6e96 <strong>Atomic clocks<\/strong>: Time standards for GPS systems<\/li>\n\n\n\n<li><strong>\u91cf\u5b50\u30bb\u30f3\u30b5\u30fc<\/strong>\uff1a\u6975\u3081\u3066\u654f\u611f\u306a\u6e2c\u5b9a\u88c5\u7f6e <strong>Quantum sensors<\/strong>: Extremely sensitive measurement devices<\/li>\n\n\n\n<li><strong>\u6838\u78c1\u6c17\u5171\u9cf4\uff08NMR\uff09<\/strong>\uff1a\u533b\u7642\u8a3a\u65ad\u3068\u5316\u5b66\u5206\u6790 <strong>Nuclear Magnetic Resonance (NMR)<\/strong>: Medical diagnostics and chemical analysis<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6280\u8853\u3092\u6539\u826f\u3059\u308b\u306b\u306f\u3001\u539f\u5b50\u306e\u30b9\u30d4\u30f3\u72b6\u614b\u3092\u6b63\u78ba\u306b\u77e5\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002To improve these technologies, we need to accurately understand the spin states of atoms.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The Measurement Challenge: Measuring the Invisible<\/h2>\n\n\n\n<p>\u539f\u5b50\u306e\u30b9\u30d4\u30f3\u306f\u76f4\u63a5\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u5f93\u6765\u306e\u6e2c\u5b9a\u624b\u6cd5\u306f\u4e3b\u306b\u300c\u96fb\u5b50\u30b9\u30d4\u30f3\u300d\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u539f\u5b50\u5168\u4f53\u306e\u89d2\u904b\u52d5\u91cf\uff08\u96fb\u5b50\u30b9\u30d4\u30f3\uff0b\u6838\u30b9\u30d4\u30f3\uff09\u3092\u6e2c\u5b9a\u3059\u308b\u3053\u3068\u306f\u56f0\u96e3\u3067\u3057\u305f\u3002Atomic spins cannot be observed directly. Conventional measurement methods focused mainly on &#8220;electron spin,&#8221; but measuring the total angular momentum of atoms (electron spin + nuclear spin) was challenging.<\/p>\n\n\n\n<p>\u5f93\u6765\u306e\u554f\u984c\uff1aTraditional problems:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8907\u96d1\u306a\u88c5\u7f6e\u304c\u5fc5\u8981 Complex equipment required<\/li>\n\n\n\n<li>\u7279\u6b8a\u306a\u6761\u4ef6\u4e0b\u3067\u306e\u307f\u6a5f\u80fd Functions only under special conditions<\/li>\n\n\n\n<li>\u5168\u30b9\u30d4\u30f3\u89d2\u904b\u52d5\u91cf\u306e\u76f4\u63a5\u6e2c\u5b9a\u304c\u56f0\u96e3 Difficult direct measurement of total spin angular momentum<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The Innovation: Absorption Monitoring Method \u5438\u53ce\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u624b\u6cd5<\/h2>\n\n\n\n<p>\u7814\u7a76\u30c1\u30fc\u30e0\u306f\u300c\u5438\u53ce\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u300d\u3068\u3044\u3046\u624b\u6cd5\u3092\u958b\u767a\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u5149\u304c\u30bb\u30b7\u30a6\u30e0\u539f\u5b50\u306b\u3069\u306e\u7a0b\u5ea6\u5438\u53ce\u3055\u308c\u308b\u304b\u3092\u6e2c\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u539f\u5b50\u306e\u30b9\u30d4\u30f3\u72b6\u614b\u3092\u6b63\u78ba\u306b\u628a\u63e1\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002The research team developed an &#8220;absorption monitoring&#8221; method. This technique precisely determines atomic spin states by measuring how much light is absorbed by cesium atoms.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"847\" height=\"500\" data-attachment-id=\"6689\" data-permalink=\"https:\/\/tuat-chemphys.net\/?attachment_id=6689\" data-orig-file=\"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/09\/image-1.png?fit=1117%2C660&amp;ssl=1\" data-orig-size=\"1117,660\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"hatakeyama 2025\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/09\/image-1.png?fit=300%2C177&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/09\/image-1.png?fit=847%2C500&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/09\/image-1.png?resize=847%2C500&#038;ssl=1\" alt=\"\" class=\"wp-image-6689\" srcset=\"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/09\/image-1.png?resize=1024%2C605&amp;ssl=1 1024w, https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/09\/image-1.png?resize=300%2C177&amp;ssl=1 300w, https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/09\/image-1.png?resize=768%2C454&amp;ssl=1 768w, https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/09\/image-1.png?resize=360%2C213&amp;ssl=1 360w, https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/09\/image-1.png?w=1117&amp;ssl=1 1117w\" sizes=\"auto, (max-width: 847px) 100vw, 847px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Key Features of the Method:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b7\u30f3\u30d7\u30eb<\/strong>\uff1a\u8907\u96d1\u306a\u88c5\u7f6e\u304c\u4e0d\u8981 <strong>Simple<\/strong>: No complex equipment required<\/li>\n\n\n\n<li><strong>\u76f4\u63a5\u6e2c\u5b9a<\/strong>\uff1a\u5168\u30b9\u30d4\u30f3\u89d2\u904b\u52d5\u91cf\u3008Fz\u3009\u3092\u76f4\u63a5\u6e2c\u5b9a <strong>Direct measurement<\/strong>: Directly measures total spin angular momentum<\/li>\n\n\n\n<li><strong>\u5ba4\u6e29\u52d5\u4f5c<\/strong>\uff1a\u7279\u6b8a\u306a\u51b7\u5374\u4e0d\u8981 <strong>Room temperature operation<\/strong>: No special cooling needed<\/li>\n\n\n\n<li><strong>\u5e45\u5e83\u3044\u9069\u7528\u6027<\/strong>\uff1a\u4ed6\u306e\u30a2\u30eb\u30ab\u30ea\u91d1\u5c5e\u539f\u5b50\u306b\u3082\u9069\u7528\u53ef\u80fd <strong>Wide applicability<\/strong>: Can be applied to other alkali metal atoms<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Experimental: Manipulating and Measuring Spins with Light \u5149\u3067\u30b9\u30d4\u30f3\u3092\u64cd\u4f5c\u3057\u6e2c\u5b9a<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5149\u30dd\u30f3\u30d4\u30f3\u30b0<\/strong>\uff1a\u30ec\u30fc\u30b6\u30fc\u5149\u3067\u30bb\u30b7\u30a6\u30e0\u539f\u5b50\u306e\u30b9\u30d4\u30f3\u3092\u7279\u5b9a\u65b9\u5411\u306b\u914d\u5411 <strong>Optical pumping<\/strong>: Laser light orients cesium atom spins in specific directions<\/li>\n\n\n\n<li><strong>\u30d7\u30ed\u30fc\u30d6\u5149<\/strong>\uff1a\u7570\u306a\u308b\u504f\u5149\u306e\u5149\u3067\u539f\u5b50\u306e\u5438\u53ce\u3092\u6e2c\u5b9a <strong>Probe light<\/strong>: Measures atomic absorption using different polarized light<\/li>\n\n\n\n<li><strong>\u5468\u6ce2\u6570\u8d70\u67fb<\/strong>\uff1a\u30ec\u30fc\u30b6\u30fc\u5468\u6ce2\u6570\u3092\u5909\u5316\u3055\u305b\u3066\u8a73\u7d30\u306a\u5438\u53ce\u30b9\u30da\u30af\u30c8\u30eb\u3092\u53d6\u5f97 <strong>Frequency scanning<\/strong>: Changes laser frequency to obtain detailed absorption spectra<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><\/h3>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">Key Findings<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6700\u9ad8\u504f\u6975\u5ea6<\/strong>\uff1a63%\uff08\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u30bb\u30eb\u3067\u9054\u6210\uff09<strong>Highest polarization<\/strong>: 63% (achieved in coated cell)<\/li>\n\n\n\n<li><strong>\u58c1\u885d\u7a81\u3067\u306e\u30b9\u30d4\u30f3\u7de9\u548c\u78ba\u7387<\/strong>\uff1a<strong>Spin relaxation probability per wall collision<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u672a\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\uff1a\uff5e1\uff08\u4e00\u56de\u306e\u885d\u7a81\u3067\u30b9\u30d4\u30f3\u304c\u5931\u308f\u308c\u308b\uff09Uncoated: ~1 (spin lost in single collision)<\/li>\n\n\n\n<li>\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\uff1a4\u00d710\u207b\u00b3\uff08\u7d04300\u56de\u306e\u885d\u7a81\u5f8c\u306b\u30b9\u30d4\u30f3\u304c\u5931\u308f\u308c\u308b\uff09Coated: 4\u00d710\u207b\u00b3 (spin lost after ~300 collisions)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Spin Flow Model<\/h3>\n\n\n\n<p>\u7814\u7a76\u30c1\u30fc\u30e0\u306f\u539f\u5b50\u5185\u3067\u306e\u30b9\u30d4\u30f3\u306e\u6d41\u308c\u3092\u89e3\u660e\u3057\u307e\u3057\u305f\uff1aThe research team elucidated spin flow within atoms:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b9\u30d4\u30f3\u5165\u529b<\/strong>\uff1a\u30dd\u30f3\u30d7\u30ec\u30fc\u30b6\u30fc\u304b\u3089\u539f\u5b50\u3078 <strong>Spin input<\/strong>: From pump laser to atoms<\/li>\n\n\n\n<li><strong>\u30b9\u30d4\u30f3\u51fa\u529b<\/strong>\uff1a\u81ea\u7136\u653e\u5c04\u3068\u58c1\u885d\u7a81\u306b\u3088\u308b\u640d\u5931 <strong>Spin output<\/strong>: Loss through spontaneous emission and wall collisions<\/li>\n<\/ol>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Comparison with Conventional Methods \u5f93\u6765\u624b\u6cd5\u3068\u306e\u6bd4\u8f03<\/h3>\n\n\n\n<p><strong>Conventional<\/strong>: Complex equipment, special conditions, indirect measurement \u8907\u96d1\u306a\u88c5\u7f6e\u3001\u7279\u6b8a\u6761\u4ef6\u3001\u9593\u63a5\u6e2c\u5b9a <\/p>\n\n\n\n<p><strong>New method<\/strong>: Simple, room temperature, direct measurement \u30b7\u30f3\u30d7\u30eb\u3001\u5ba4\u6e29\u3001\u76f4\u63a5\u6e2c\u5b9a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Potential Applications<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7cbe\u5bc6\u78c1\u529b\u8a08\u306e\u6539\u826f<\/strong>\uff1a\u5730\u7403\u7269\u7406\u5b66\u8abf\u67fb\u3001\u8003\u53e4\u5b66\u8abf\u67fb <strong>Improved precision magnetometers<\/strong>: Geophysical surveys, archaeological investigations<\/li>\n\n\n\n<li><strong>\u539f\u5b50\u6642\u8a08\u306e\u9ad8\u7cbe\u5ea6\u5316<\/strong>\uff1aGPS\u3001\u901a\u4fe1\u30b7\u30b9\u30c6\u30e0\u306e\u6539\u5584 <strong>Higher accuracy atomic clocks<\/strong>: Improved GPS and communication systems<\/li>\n\n\n\n<li><strong>\u91cf\u5b50\u30bb\u30f3\u30b5\u30fc\u958b\u767a<\/strong>\uff1a\u533b\u7642\u8a3a\u65ad\u3001\u74b0\u5883\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0 <strong>Quantum sensor development<\/strong>: Medical diagnostics, environmental monitoring<\/li>\n\n\n\n<li><strong>\u57fa\u790e\u7269\u7406\u7814\u7a76<\/strong>\uff1a\u30b9\u30d4\u30f3\u52d5\u529b\u5b66\u306e\u7406\u89e3\u5411\u4e0a <strong>Fundamental physics research<\/strong>: Better understanding of spin dynamics<\/li>\n<\/ol>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">International Collaboration: Japan-Canada Partnership \u65e5\u672c\u3068\u30ab\u30ca\u30c0\u306e\u9023\u643a<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6771\u4eac\u8fb2\u5de5\u5927\u5b66<\/strong>\uff1a\u5b9f\u9a13\u624b\u6cd5\u958b\u767a\u3001\u6e2c\u5b9a\u5b9f\u65bd<\/li>\n\n\n\n<li><strong>\u30de\u30cb\u30c8\u30d0\u5927\u5b66\u30fb\u30d6\u30ea\u30c6\u30a3\u30c3\u30b7\u30e5\u30b3\u30ed\u30f3\u30d3\u30a2\u5927\u5b66\u30fb\u30a6\u30a3\u30cb\u30da\u30b0\u5927\u5b66<\/strong>\uff08\u30ab\u30ca\u30c0\uff09\uff1a\u7406\u8ad6\u652f\u63f4\u3001\u6280\u8853\u5354\u529b<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The Bigger Picture: Future of Quantum Technology \u91cf\u5b50\u6280\u8853\u306e\u672a\u6765<\/h2>\n\n\n\n<p>\u539f\u5b50\u30b9\u30d4\u30f3\u306e\u7cbe\u5bc6\u5236\u5fa1\u3068\u6e2c\u5b9a\u306f\u3001\u6b21\u4e16\u4ee3\u6280\u8853\u306e\u57fa\u76e4\u3067\u3059\uff1aPrecise control and measurement of atomic spins forms the foundation for next-generation technologies:<\/p>\n\n\n\n<p><strong>\u91cf\u5b50\u60c5\u5831\u51e6\u7406<\/strong>\uff1a\u91cf\u5b50\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3001\u91cf\u5b50\u6697\u53f7 <strong>\u8d85\u7cbe\u5bc6\u6e2c\u5b9a<\/strong>\uff1a\u91cd\u529b\u6ce2\u691c\u51fa\u3001\u57fa\u672c\u5b9a\u6570\u6e2c\u5b9a <strong>\u533b\u7642\u6280\u8853<\/strong>\uff1aMRI\u753b\u50cf\u306e\u5411\u4e0a\u3001\u65b0\u3057\u3044\u8a3a\u65ad\u624b\u6cd5  <strong>Quantum information processing<\/strong>: Quantum computers, quantum cryptography <strong>Ultra-precise measurements<\/strong>: Gravitational wave detection, fundamental constant measurements <strong>Medical technology<\/strong>: Improved MRI imaging, new diagnostic methods<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>\u6587\u732e<\/strong>: Yasuda, R., Ishii, K., Hatakeyama, A., Klassen, W., &amp; Martin, J. W. (2025). Measurement of the total spin angular momentum \u27e8Fz\u27e9 of alkali-metal atoms. <em>arXiv preprint<\/em> arXiv:2504.19713.<br>Phys. Rev. A 111, 033111 \u2013 Published 17 March, 2025 <a href=\"https:\/\/doi.org\/10.1103\/PhysRevA.111.033111\">https:\/\/doi.org\/10.1103\/PhysRevA.111.033111<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5438\u53ce\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u624b\u6cd5\u3001\u3053\u306e\u6280\u8853\u306f\u91cf\u5b50\u6280\u8853\u306e\u767a\u5c55\u3068\u5b9f\u7528\u5316\u306b\u91cd\u8981\u306a\u8ca2\u732e\u3092\u3059\u308b\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002The absorption monitoring method: This technology is expected to make important contributions to the development and practical application of quantum technologies.<\/p>\n","protected":false},"author":1,"featured_media":6689,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[9],"tags":[16,27],"class_list":["post-6688","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-research","tag-measurement-devices","tag-quantum-tech"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/09\/image-1.png?fit=1117%2C660&ssl=1","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":7225,"url":"https:\/\/tuat-chemphys.net\/?p=7225","url_meta":{"origin":6688,"position":0},"title":"\u65b0\u520a \/ New Release Book \u300e\u4e3b\u5f79\u3067\u9ed2\u5e55\uff01\u30b9\u30d4\u30f3\u306e\u3059\u3079\u3066\u300f\u520a\u884c\uff01&#8221;All About Spin&#8221; is out!","author":"unet","date":"2026-04","format":false,"excerpt":"All About Spin by Dr. Atsushi Hatakeyama is out! \u65b0\u520a \/ New Release \u7560\u5c71\u6e29\u5148\u751f\u306e\u300e\u4e3b\u5f79\u3067\u9ed2\u5e55\uff01\u30b9\u30d4\u30f3\u306e\u3059\u3079\u3066\u300f\u520a\u884c\uff01All About Spin by Dr. Atsushi Hatakeyama is out!","rel":"","context":"In &quot;Books&quot;","block_context":{"text":"Books","link":"https:\/\/tuat-chemphys.net\/?cat=1"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2026\/02\/image-9.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":6584,"url":"https:\/\/tuat-chemphys.net\/?p=6584","url_meta":{"origin":6688,"position":1},"title":"\u7acb\u547d\u9928\u9ad8\u6821\u306e\u7686\u3055\u3093\u304c\u5f53\u5b66\u79d1\u3092\u8a2a\u554f\u3057\u307e\u3057\u305f (2025\/7\/28) Ritsumeikan High School (Kyoto) Students Visit our Department (July 28, 2025)","author":"unet","date":"2025-09","format":false,"excerpt":"\u300c\u539f\u5b50\u3068\u5149\u3067\u78c1\u5834\u3092\u6e2c\u308b\u301c\u91cf\u5b50\u30bb\u30f3\u30b7\u30f3\u30b0\u5165\u9580\u301c\u300d\u306e\u6a21\u64ec\u6388\u696d\u3092\u4f53\u9a13\u3057\u3066\u3044\u305f\u3060\u304d\u307e\u3057\u305f\u3002\"Measuring Magnetic Fields with Atoms and Light: An Introduction to Quantum Sensing.\"","rel":"","context":"In &quot;Event\/News&quot;","block_context":{"text":"Event\/News","link":"https:\/\/tuat-chemphys.net\/?cat=4"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/09\/2025-Ritsumeikan-Lab_tour.jpeg?fit=640%2C351&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/09\/2025-Ritsumeikan-Lab_tour.jpeg?fit=640%2C351&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/09\/2025-Ritsumeikan-Lab_tour.jpeg?fit=640%2C351&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":6988,"url":"https:\/\/tuat-chemphys.net\/?p=6988","url_meta":{"origin":6688,"position":2},"title":"\u65e5\u672c\u7269\u7406\u5b66\u4f1a\u300c\u5b66\u751f\u512a\u79c0\u767a\u8868\u8cde\u300dStudent Presentation Award, Physical Society of Japan\u300c\u30eb\u30d3\u30b8\u30a6\u30e0\u84b8\u6c17\u306b\u66b4\u9732\u3057\u305f\u30d1\u30e9\u30d5\u30a3\u30f3\u5fae\u7c92\u5b50\u306e\u5149\u7167\u5c04\u306b\u3088\u308b\u5e2f\u96fb\u91cf\u5909\u5316\u300dCharge Variation of Paraffin Particles Exposed to Rubidium Vapor under Light Irradiation","author":"unet","date":"2025-11","format":false,"excerpt":"\u300c\u30eb\u30d3\u30b8\u30a6\u30e0\u84b8\u6c17\u306b\u66b4\u9732\u3057\u305f\u30d1\u30e9\u30d5\u30a3\u30f3\u5fae\u7c92\u5b50\u306e\u5149\u7167\u5c04\u306b\u3088\u308b\u5e2f\u96fb\u91cf\u5909\u5316\u300d\u201cCharge Variation of Paraffin Particles Exposed to Rubidium Vapor under Light Irradiation\u201d","rel":"","context":"In &quot;Awards&quot;","block_context":{"text":"Awards","link":"https:\/\/tuat-chemphys.net\/?cat=3"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/11\/image-6.png?fit=351%2C838&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":6462,"url":"https:\/\/tuat-chemphys.net\/?p=6462","url_meta":{"origin":6688,"position":3},"title":"\u4fee\u58eb\u5b66\u751f\u304c\u6311\u3080 \u9ad8\u5ea6\u306a\u300c\u30d5\u30e9\u30b9\u30c8\u30ec\u30fc\u30c6\u30c3\u30c9\u300d\u78c1\u6027\u6750\u6599\u306e\u65b0\u767a\u898b\uff01A Master-course Student Leads in Discovery of a Novel Frustrated Magnetic Material.","author":"unet","date":"2025-07","format":false,"excerpt":"For designing frustrated magnetic materials, deepening our understanding of quantum magnetism and expanding the range of materials to explore. \u30d5\u30e9\u30b9\u30c8\u30ec\u30fc\u30c6\u30c3\u30c9\u78c1\u6027\u4f53\u306e\u65b0\u3057\u3044\u8a2d\u8a08\u6307\u91dd\u3092\u793a\u3057\u3001\u91cf\u5b50\u30de\u30b0\u30cd\u30c6\u30a3\u30ba\u30e0\u306e\u7406\u89e3\u3092\u6df1\u3081\u308b\u3068\u3068\u3082\u306b\u3001\u65b0\u7d20\u6750\u63a2\u7d22\u306e\u5e45\u3092\u5e83\u3052\u307e\u3059\u3002","rel":"","context":"In &quot;Research Topics&quot;","block_context":{"text":"Research Topics","link":"https:\/\/tuat-chemphys.net\/?cat=9"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/07\/image-9.png?fit=387%2C500&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":6417,"url":"https:\/\/tuat-chemphys.net\/?p=6417","url_meta":{"origin":6688,"position":4},"title":"2025 New Research Group: \u963f\u90e8\u7814\u7a76\u5ba4\u300c\u91cf\u5b50\u5316\u5b66\u300d Abe Lab (Quantum 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Intro \u7814\u7a76\u5ba4\u7d39\u4ecb&quot;","block_context":{"text":"Lab. Intro \u7814\u7a76\u5ba4\u7d39\u4ecb","link":"https:\/\/tuat-chemphys.net\/?cat=6"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2025\/07\/image-12.png?fit=386%2C598&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":7535,"url":"https:\/\/tuat-chemphys.net\/?p=7535","url_meta":{"origin":6688,"position":5},"title":"Interview \u76f8\u5bfe\u8ad6\u7684\u91cf\u5b50\u5316\u5b66\u3067\u5b87\u5b99\u3068\u7269\u8cea\u306e\u8b0e\u306b\u6311\u3080 \u2015 \u963f\u90e8\u7a63\u91cc\u5148\u751f &#8220;Unraveling the Mysteries of Matter and the Universe Through Relativistic Quantum Chemistry \u2014 Dr. Minori Abe&#8221;","author":"unet","date":"2026-03","format":false,"excerpt":"\u8a18\u4e8b\u3067\u306f\u7814\u7a76\u306e\u918d\u9190\u5473\u3084\u3001\u80b2\u5150\u3068\u7814\u7a76\u3092\u4e21\u7acb\u3057\u306a\u304c\u3089\u6b69\u3093\u3067\u304d\u305f\u30ad\u30e3\u30ea\u30a2\u306b\u3064\u3044\u3066\u3082\u8a9e\u3063\u3066\u3044\u305f\u3060\u304d\u307e\u3057\u305f The article also offers an candid look at her journey balancing research with motherhood.","rel":"","context":"In &quot;Professor's Interview&quot;","block_context":{"text":"Professor's Interview","link":"https:\/\/tuat-chemphys.net\/?cat=5"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2026\/03\/image-1.png?fit=636%2C765&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2026\/03\/image-1.png?fit=636%2C765&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/tuat-chemphys.net\/wp-content\/uploads\/2026\/03\/image-1.png?fit=636%2C765&ssl=1&resize=525%2C300 1.5x"},"classes":[]}],"jetpack_shortlink":"https:\/\/wp.me\/pa3J4g-1JS","jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/tuat-chemphys.net\/index.php?rest_route=\/wp\/v2\/posts\/6688","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tuat-chemphys.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tuat-chemphys.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tuat-chemphys.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tuat-chemphys.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6688"}],"version-history":[{"count":9,"href":"https:\/\/tuat-chemphys.net\/index.php?rest_route=\/wp\/v2\/posts\/6688\/revisions"}],"predecessor-version":[{"id":6721,"href":"https:\/\/tuat-chemphys.net\/index.php?rest_route=\/wp\/v2\/posts\/6688\/revisions\/6721"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tuat-chemphys.net\/index.php?rest_route=\/wp\/v2\/media\/6689"}],"wp:attachment":[{"href":"https:\/\/tuat-chemphys.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6688"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tuat-chemphys.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6688"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tuat-chemphys.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6688"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}