{"id":531,"date":"2016-10-25T13:31:48","date_gmt":"2016-10-25T10:31:48","guid":{"rendered":"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=531"},"modified":"2017-07-05T13:16:24","modified_gmt":"2017-07-05T10:16:24","slug":"2-8-%d7%9e%d7%a9%d7%95%d7%95%d7%90%d7%95%d7%aa-%d7%a7%d7%a6%d7%91-rate-equations","status":"publish","type":"post","link":"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=531","title":{"rendered":"2.8 \u05de\u05e9\u05d5\u05d5\u05d0\u05d5\u05ea \u05e7\u05e6\u05d1 (Rate Equations)"},"content":{"rendered":"<p><span style=\"color: #800080\"><strong>(\u05e4\u05e8\u05e7 \u05d6\u05d4 \u05d4\u05d5\u05d0 \u05d1\u05e8\u05de\u05d4 \u05de\u05ea\u05e7\u05d3\u05de\u05ea \u05d5\u05e0\u05d5\u05e2\u05d3 \u05dc\u05d0\u05dc\u05d5 \u05d4\u05d9\u05d5\u05d3\u05e2\u05d9\u05dd \u05de\u05d4\u05d9 \u05de\u05e9\u05d5\u05d5\u05d0\u05d4 \u05d3\u05d9\u05e4\u05e8\u05e0\u05e6\u05d9\u05d0\u05dc\u05d9\u05ea \u05de\u05e1\u05d3\u05e8 \u05e8\u05d0\u05e9\u05d5\u05df).<\/strong><\/span><\/p>\n<p>\u05dc\u05e6\u05d5\u05e8\u05da \u05e4\u05e9\u05d8\u05d5\u05ea \u05e0\u05e0\u05d9\u05d7 \u05de\u05e1\u05e4\u05e8 \u05d4\u05e0\u05d7\u05d5\u05ea:<\/p>\n<ul>\n<li>\u05e0\u05ea\u05d9\u05d9\u05d7\u05e1 \u05dc\u05ea\u05d5\u05d5\u05da \u05d4\u05de\u05d5\u05e8\u05db\u05d1 \u05db\u05d5\u05dc\u05d5 \u05de\u05d0\u05d8\u05d5\u05de\u05d9\u05dd \u05e8\u05d1\u05d9\u05dd \u05d6\u05d4\u05d9\u05dd.<\/li>\n<li>\u05dc\u05db\u05dc \u05d0\u05d8\u05d5\u05dd \u05d9\u05e9 \u05e8\u05e7 2 \u05e8\u05de\u05d5\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4: E<sub>1<\/sub> \u05d5- E<sub>2<\/sub>.<\/li>\n<li>\u05d1\u05db\u05dc \u05d6\u05de\u05df t \u05e7\u05d9\u05d9\u05de\u05d9\u05dd (N1(t \u05d0\u05d8\u05d5\u05de\u05d9\u05dd \u05d1\u05e8\u05de\u05d4 E<sub>1<\/sub> \u05d5- (N<sub>2<\/sub>(t \u05d1\u05e8\u05de\u05d4 E<sub>2<\/sub>.<\/li>\n<\/ul>\n<p><span style=\"color: #804000\"><strong>\u05d4\u05e7\u05e6\u05d1 \u05d1\u05d5 \u05d3\u05d5\u05e2\u05db\u05ea \u05d0\u05d5\u05db\u05dc\u05d5\u05e1\u05d9\u05d9\u05ea \u05d4\u05d0\u05d8\u05d5\u05de\u05d9\u05dd \u05d4\u05de\u05e2\u05d5\u05e8\u05e8\u05d9\u05dd<\/strong><\/span> (N<sub>2<\/sub>(t \u05de\u05d4\u05e8\u05de\u05d4 \u05d4\u05d2\u05d1\u05d5\u05d4\u05d4 \u05dc\u05e8\u05de\u05d4 \u05d4\u05e0\u05de\u05d5\u05db\u05d4 \u05e2&quot;\u05d9 \u05e4\u05dc\u05d9\u05d8\u05d4 \u05e1\u05e4\u05d5\u05e0\u05d8\u05e0\u05d9\u05ea, \u05e0\u05d9\u05ea\u05df \u05e2&quot;\u05d9 <span style=\"color: #804000\"><strong>\u05de\u05e7\u05d3\u05dd \u05d4\u05d3\u05e2\u05d9\u05db\u05d4<\/strong><\/span> (<strong>21<a href=\"https:\/\/www.codecogs.com\/eqnedit.php?latex=\\gamma\" target=\"_blank\" rel=\"noopener noreferrer\"><img decoding=\"async\" title=\"\\gamma\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\gamma\" \/><\/a><\/strong>) \u05de\u05d5\u05db\u05e4\u05dc \u05d1\u05de\u05e1\u05e4\u05e8 \u05d4\u05d0\u05d8\u05d5\u05de\u05d9\u05dd \u05d4\u05e8\u05d2\u05e2\u05d9 \u05d1\u05d0\u05d5\u05ea\u05d4 \u05e8\u05de\u05d4: (N<sub>2<\/sub>(t \u05db\u05de\u05ea\u05d5\u05d0\u05e8 \u05d1\u05de\u05e9\u05d5\u05d5\u05d0\u05d4 \u05d4\u05d3\u05d9\u05e4\u05e8\u05e0\u05e6\u05d9\u05d0\u05dc\u05d9\u05ea \u05d4\u05e4\u05e9\u05d5\u05d8\u05d4 \u05de\u05e1\u05d3\u05e8 \u05e8\u05d0\u05e9\u05d5\u05df:<\/p>\n<p style=\"text-align: center\">\u05e4\u05dc\u05d9\u05d8\u05d4 \u05e1\u05e4\u05d5\u05e0\u05d8\u05e0\u05d9\u05ea<img decoding=\"async\" class=\"alignnone size-full wp-image-543\" src=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/wp-content\/uploads\/sites\/25\/2016\/10\/C2s8f1.gif\" alt=\"\u05e4\u05dc\u05d9\u05d8\u05d4 \u05e1\u05e4\u05d5\u05e0\u05d8\u05e0\u05d9\u05ea\" width=\"191\" height=\"46\" \/><\/p>\n<p>\u05d1\u05de\u05e9\u05d5\u05d5\u05d0\u05d4 \u05d6\u05d5 \u05d4\u05d2\u05d3\u05e8\u05e0\u05d5 \u05d0\u05ea<span style=\"color: #804000\"><strong> \u05d6\u05de\u05df \u05d4\u05d7\u05d9\u05d9\u05dd (<\/strong><\/span><strong>t2<\/strong><span style=\"color: #804000\"><strong>) \u05e9\u05dc \u05e8\u05de\u05d4 E<sub>2<\/sub> \u05e2&quot;\u05d9<\/strong><\/span>:<\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-545 aligncenter\" src=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/wp-content\/uploads\/sites\/25\/2016\/10\/C2s8f2.gif\" alt=\"\u05de\u05e9\u05d5\u05d5\u05d0\u05d4\" width=\"54\" height=\"42\" \/><\/p>\n<p>\u05e4\u05ea\u05e8\u05d5\u05df \u05de\u05e9\u05d5\u05d5\u05d0\u05d4 \u05d3\u05d9\u05e4\u05e8\u05e0\u05e6\u05d9\u05d0\u05dc\u05d9\u05ea \u05d6\u05d5 (\u05e8\u05d0\u05d4 \u05d3\u05e8\u05da \u05e4\u05ea\u05e8\u05d5\u05df \u05e2&quot;\u05d9 <a href=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=536\">\u05dc\u05d7\u05d9\u05e6\u05d4 \u05db\u05d0\u05df<\/a>) \u05e0\u05d9\u05ea\u05df \u05e2&quot;\u05d9:<\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-546 aligncenter\" src=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/wp-content\/uploads\/sites\/25\/2016\/10\/C2s8f3.gif\" alt=\"\u05de\u05e9\u05d5\u05d5\u05d0\u05d4\" width=\"159\" height=\"46\" \/><\/p>\n<h2><span style=\"color: #008000\"><strong>\u05e9\u05d0\u05dc\u05d4 2.5:<\/strong><\/span><\/h2>\n<p>\u05d4\u05e6\u05d1 \u05d0\u05ea \u05d4\u05e4\u05ea\u05e8\u05d5\u05df \u05d1\u05de\u05e9\u05d5\u05d5\u05d0\u05d4. \u05d5\u05d5\u05d3\u05d0 \u05db\u05d9 \u05d0\u05db\u05df \u05d6\u05d4\u05d5 \u05d4\u05e4\u05ea\u05e8\u05d5\u05df.<\/p>\n<p><strong>\u05de\u05e1\u05e7\u05e0\u05d4:<\/strong> \u05d0\u05dd \u05d1\u05e8\u05d2\u05e2 \u05de\u05e1\u05d5\u05d9\u05dd (t=0) \u05de\u05e1\u05e4\u05e8 \u05d4\u05d0\u05d8\u05d5\u05de\u05d9\u05dd \u05d1\u05de\u05e6\u05d1 \u05de\u05e2\u05d5\u05e8\u05e8 E<sub>2<\/sub> \u05d4\u05d5\u05d0 (N<sub>2<\/sub>(0, \u05d0\u05d6\u05d9 \u05db\u05d0\u05e9\u05e8 \u05e0\u05e0\u05d9\u05d7 \u05d0\u05ea \u05d4\u05de\u05e2\u05e8\u05db\u05ea \u05dc\u05dc\u05d0 \u05d4\u05e9\u05e4\u05e2\u05d4 \u05d7\u05d9\u05e6\u05d5\u05e0\u05d9\u05ea \u05d4\u05d9\u05d0 <strong>\u05ea\u05d3\u05e2\u05da \u05d1\u05e6\u05d5\u05e8\u05d4 \u05d0\u05e7\u05e1\u05e4\u05d5\u05e0\u05e0\u05e6\u05d9\u05d0\u05dc\u05d9\u05ea<\/strong> \u05dc\u05e4\u05d9 \u05d4\u05e0\u05d5\u05e1\u05d7\u05d4 \u05e9\u05de\u05d5\u05e4\u05d9\u05e2\u05d4 \u05d1\u05e4\u05ea\u05e8\u05d5\u05df \u05d4\u05de\u05e9\u05d5\u05d5\u05d0\u05d4.<\/p>\n<p>\u05d9\u05e9 \u05dc\u05e9\u05d9\u05dd \u05dc\u05d1 \u05db\u05d9 <strong>\u05d1\u05de\u05e7\u05e8\u05d4 \u05e9\u05dc \u05e4\u05dc\u05d9\u05d8\u05d4 \u05e1\u05e4\u05d5\u05e0\u05d8\u05e0\u05d9\u05ea \u05d0\u05d9\u05df \u05d7\u05e9\u05d9\u05d1\u05d5\u05ea \u05dc\u05d0\u05d9\u05db\u05dc\u05d5\u05e1 \u05e8\u05de\u05d5\u05ea \u05d4\u05d0\u05e0\u05e8\u05d2\u05d9\u05d4 \u05d4\u05e0\u05de\u05d5\u05db\u05d5\u05ea \u05d9\u05d5\u05ea\u05e8 (\u05db\u05de\u05d5 \u05d1\u05de\u05e7\u05e8\u05d4 \u05e9\u05dc\u05e0\u05d5 (N<sub>1<\/sub>(t)<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=521\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-49\" src=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/wp-content\/uploads\/sites\/25\/2016\/10\/Buttons_Previous5bCircle5d.png\" alt=\"\u05db\u05e4\u05ea\u05d5\u05e8 &quot;\u05d4\u05e7\u05d5\u05d3\u05dd&quot;\" width=\"148\" height=\"54\" \/><\/a> <a href=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=380\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-48 alignleft\" src=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/wp-content\/uploads\/sites\/25\/2016\/10\/Buttons_Next-5bSquare5d.png\" alt=\"\u05db\u05e4\u05ea\u05d5\u05e8 &quot;\u05d4\u05d1\u05d0&quot;\" width=\"148\" height=\"54\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>(\u05e4\u05e8\u05e7 \u05d6\u05d4 \u05d4\u05d5\u05d0 \u05d1\u05e8\u05de\u05d4 \u05de\u05ea\u05e7\u05d3\u05de\u05ea \u05d5\u05e0\u05d5\u05e2\u05d3 \u05dc\u05d0\u05dc\u05d5 \u05d4\u05d9\u05d5\u05d3\u05e2\u05d9\u05dd \u05de\u05d4\u05d9 \u05de\u05e9\u05d5\u05d5\u05d0\u05d4 \u05d3\u05d9\u05e4\u05e8\u05e0\u05e6\u05d9\u05d0\u05dc\u05d9\u05ea \u05de\u05e1\u05d3\u05e8 \u05e8\u05d0\u05e9\u05d5\u05df). \u05dc\u05e6\u05d5\u05e8\u05da \u05e4\u05e9\u05d8\u05d5\u05ea \u05e0\u05e0\u05d9\u05d7 \u05de\u05e1\u05e4\u05e8 \u05d4\u05e0\u05d7\u05d5\u05ea: \u05e0\u05ea\u05d9\u05d9\u05d7\u05e1 \u05dc\u05ea\u05d5\u05d5\u05da \u05d4\u05de\u05d5\u05e8\u05db\u05d1 \u05db\u05d5\u05dc\u05d5 \u05de\u05d0\u05d8\u05d5\u05de\u05d9\u05dd \u05e8\u05d1\u05d9\u05dd \u05d6\u05d4\u05d9\u05dd. \u05dc\u05db\u05dc \u05d0\u05d8\u05d5\u05dd \u05d9\u05e9 \u05e8\u05e7 2 \u05e8\u05de\u05d5\u05ea \u05d0\u05e0\u05e8\u05d2\u05d9\u05d4: E1 \u05d5- E2. \u05d1\u05db\u05dc \u05d6\u05de\u05df t \u05e7\u05d9\u05d9\u05de\u05d9\u05dd (N1(t &hellip; <a href=\"https:\/\/stwww1.weizmann.ac.il\/lasers\/?p=531\">\u05dc\u05d4\u05de\u05e9\u05da \u05e7\u05e8\u05d9\u05d0\u05d4  <span class=\"meta-nav\">&larr;<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[21],"tags":[],"class_list":["post-531","post","type-post","status-publish","format-standard","hentry","category-2-8--"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/posts\/531"}],"collection":[{"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=531"}],"version-history":[{"count":9,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/posts\/531\/revisions"}],"predecessor-version":[{"id":5190,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=\/wp\/v2\/posts\/531\/revisions\/5190"}],"wp:attachment":[{"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/lasers\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}