{"id":1632,"date":"2023-01-17T12:10:39","date_gmt":"2023-01-17T11:10:39","guid":{"rendered":"https:\/\/manuel-alec-auteur.com\/?page_id=1632"},"modified":"2023-01-17T12:21:57","modified_gmt":"2023-01-17T11:21:57","slug":"univers-gemellaires-le-modele-janus-page-2","status":"publish","type":"page","link":"https:\/\/manuel-alec-auteur.com\/index.php\/univers-gemellaires-le-modele-janus-page-2\/","title":{"rendered":"Univers G\u00e9mellaires : Le Mod\u00e8le Janus, Page 2."},"content":{"rendered":"<p>[et_pb_section fb_built=\u00a0\u00bb1&Prime; module_id=\u00a0\u00bbsection1&Prime; _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_image=\u00a0\u00bbhttps:\/\/manuel-alec-auteur.com\/wp-content\/uploads\/2023\/01\/pexels-drift-shutterbug-2085998.jpg\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_text_color=\u00a0\u00bb#FFFFFF\u00a0\u00bb text_font_size=\u00a0\u00bb60px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p style=\"text-align: center;\">Univers G\u00e9mellaires :<\/p>\n<p style=\"text-align: center;\">Le Mod\u00e8le Janus<\/p>\n<p style=\"text-align: center;\">2.4<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb30px||||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb0px||||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font_size=\u00a0\u00bb15px\u00a0\u00bb custom_margin=\u00a0\u00bb||||false|false\u00a0\u00bb custom_padding=\u00a0\u00bb0px|20px|0px|20px|true|true\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.pexels.com\/photo\/scenic-view-of-mountain-during-evening-2085998\/\" target=\"_blank\" rel=\"noopener\">Photo<\/a> de <a href=\"https:\/\/www.pexels.com\/@ashan\/\" target=\"_blank\" rel=\"noopener\" title=\"Galerie de Drift Shutterbug sur Pexels\">Drift Shutterbug<\/a> sur <a href=\"https:\/\/www.pexels.com\" target=\"_blank\" rel=\"noopener\">Pexels<\/a>.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb border_width_all=\u00a0\u00bb3px\u00a0\u00bb border_color_all=\u00a0\u00bb#E02B20&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p style=\"text-align: center;\">Qu&rsquo;entend-on par \u00ab\u00a0antimati\u00e8re \u00e0 masse n\u00e9gative\u00a0\u00bb ?<\/p>\n<p style=\"text-align: center;\">Une masse est une quantit\u00e9 de mati\u00e8re. Tout le monde comprend ce que peut \u00eatre une quantit\u00e9 de mati\u00e8re positive, que l\u2019on peut exprimer au travers de nombres : + 1, + 2, etc. Mais comment comprendre l\u2019antimati\u00e8re \u00e0 masse n\u00e9gative ? Math\u00e9matiquement, il suffit de consid\u00e9rer que -1 = +(-1), et il est possible de l&rsquo;int\u00e9grer \u00e0 des calculs, et de la manipuler.<\/p>\n<p style=\"text-align: center;\">Autrement, par son comportement ! En particulier, son d\u00e9placement. De fa\u00e7on simple, et dans la Relativit\u00e9 G\u00e9n\u00e9rale, les masses positives attirent tout, et les masses n\u00e9gatives repoussent tout. Et lorsqu&rsquo;elles sont en pr\u00e9sence les unes avec les autres, les masses n\u00e9gatives repoussent les masses positives, qui elles-m\u00eames les attirent ! Autrement dit, elles se courent apr\u00e8s ! D&rsquo;autre part, si ces masses sont \u00e9gales et oppos\u00e9es, elles subissent un accroissement de vitesse et une acc\u00e9l\u00e9ration continue. C&rsquo;est ce que l&rsquo;on appelle \u00ab\u00a0Paradoxe Runaway\u00a0\u00bb, et il viole le principe d&rsquo;action-r\u00e9action selon lequel, d&rsquo;apr\u00e8s Newton, \u00ab\u00a0tout corps A exer\u00e7ant une force sur un corps B subit une force d&rsquo;intensit\u00e9 \u00e9gale, mais de sens oppos\u00e9, exerc\u00e9e par le corps B.\u00a0\u00bb<\/p>\n<p style=\"text-align: center;\">Et c&rsquo;est la raison pour laquelle introduire des masses n\u00e9gatives dans l&rsquo;Univers r\u00e9gi par la Relativit\u00e9 G\u00e9n\u00e9rale a sembl\u00e9 impossible pendant plus de 50 ans.<\/p>\n<p style=\"text-align: center;\">Et comme le dit Jean-Pierre Petit dans une autre vid\u00e9o (celle dont vous trouverez le lien en fin d&rsquo;article, page 4), \u00ab\u00a0Est-il alors possible d&rsquo;envisager un mod\u00e8le o\u00f9 le principe d&rsquo;action-r\u00e9action ne serait pas viol\u00e9 ? Pour cela, il faudrait que, plac\u00e9es dans un champ gravitationnel donn\u00e9, cr\u00e9\u00e9 par une certaine distribution de masses, positives ou n\u00e9gatives, les particules-t\u00e9moins r\u00e9agissent diff\u00e9remment selon leur signe. [&#8230;] Il faut que le champ gravitationnel donne dans le premier membre (de l&rsquo;\u00e9quation d&rsquo;Einstein) deux solutions, sous la forme de deux fonctions m\u00e9triques qui engendreraient alors deux familles de courbes trajectoires diff\u00e9rentes. C&rsquo;est faisable si on envisage, non une seule \u00e9quation, mais un syst\u00e8me de deux \u00e9quations de champs coupl\u00e9s\u00a0\u00bb. Ce qui revient \u00e0 consid\u00e9rer l&rsquo;existence de deux univers !<\/p>\n<p style=\"text-align: center;\">\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=\u00a0\u00bb2_3,1_3&Prime; _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb2_3&Prime; _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; border_width_all=\u00a0\u00bb3px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<p style=\"text-align: center;\">\u00a0L&rsquo;id\u00e9e d&rsquo;univers oppos\u00e9s est d&rsquo;abord avanc\u00e9e par le savant russe <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Andre%C3%AF_Sakharov\" target=\"_blank\" rel=\"noopener\">Andre\u00ef Sakharov<\/a>. Dans sa g\u00e9om\u00e9trie, il oppose deux demi-univers \u00e9nantiomorphes (sym\u00e9triques \u00ab\u00a0en miroir\u00a0\u00bb), uniquement reli\u00e9s par la singularit\u00e9 initiale du Big Bang.<\/p>\n<p style=\"text-align: center;\">Dans la conception du Mod\u00e8le Janus, le demi-univers jumeau est en quelque sorte repli\u00e9, et son antimati\u00e8re n\u00e9gative contient la mati\u00e8re de notre univers positif, assurant la coh\u00e9sion de l&rsquo;ensemble. Les deux univers sont cette fois-ci en interaction.<\/p>\n<p style=\"text-align: center;\">Dans les deux mod\u00e8les, le temps de l&rsquo;univers d&rsquo;antimati\u00e8re se d\u00e9roule \u00e0 l\u2019envers du n\u00f4tre ! Il existe en effet une relation math\u00e9matique entre l&rsquo;inversion des masses, celle de l&rsquo;\u00e9nergie, et celle du temps (mais pas du temps propre). Un lien vous orientera vers un contenu sur ce sujet \u00e0 la page 4.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_3&Prime; _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/manuel-alec-auteur.com\/wp-content\/uploads\/2023\/01\/2D-representation-of-Sakharovs-twin-universes-with-opposite-arrows-of-time.jpg\u00a0\u00bb title_text=\u00a0\u00bb2D-representation-of-Sakharovs-twin-universes-with-opposite-arrows-of-time\u00a0\u00bb _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_margin=\u00a0\u00bb60px||||false|false\u00a0\u00bb border_radii=\u00a0\u00bbon|20px|20px|20px|20px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][et_pb_text _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font_size=\u00a0\u00bb15px\u00a0\u00bb custom_padding=\u00a0\u00bb0px|20px|0px|20px|true|true\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p style=\"text-align: center;\">G\u00e9om\u00e9tries respectives du Mod\u00e8le de Sakharov et du Mod\u00e8le Janus. Source des images : Jean-Pierre. Petit.<\/p>\n<p>[\/et_pb_text][et_pb_image src=\u00a0\u00bbhttps:\/\/manuel-alec-auteur.com\/wp-content\/uploads\/2023\/01\/2D-representation-of-the-universe-in-the-Janus-cosmological-model-Two-spacetimes-are.jpg\u00a0\u00bb title_text=\u00a0\u00bb2D-representation-of-the-universe-in-the-Janus-cosmological-model-Two-spacetimes-are\u00a0\u00bb _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_padding=\u00a0\u00bb0px||||false|false\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_text_color=\u00a0\u00bb#f92622&Prime; background_color=\u00a0\u00bb#efefef\u00a0\u00bb background_enable_color=\u00a0\u00bbon\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p style=\"text-align: center;\">Le Mod\u00e8le Janus r\u00e9sout le Paradoxe Runaway sans violer le principe d&rsquo;action-r\u00e9action, en ins\u00e9rant les masses n\u00e9gatives \u00e0 l\u2019int\u00e9rieur des \u00e9quations de la Relativit\u00e9 G\u00e9n\u00e9rale. Selon Jean-Pierre Petit, l\u2019ensemble concorde, mais d\u2019une fa\u00e7on diff\u00e9rente de celle que l\u2019on envisageait jusqu\u2019\u00e0 pr\u00e9sent : sans renier pour autant le mod\u00e8le d\u2019Einstein, il le compl\u00e8te d\u2019un Univers Jumeau dans lequel les distributions de masses sont diff\u00e9rentes, et o\u00f9 les lois physiques ne sont plus les m\u00eames !<\/p>\n<p>[\/et_pb_text][et_pb_image src=\u00a0\u00bbhttps:\/\/manuel-alec-auteur.com\/wp-content\/uploads\/2023\/01\/equations_champ_JANUS.jpg\u00a0\u00bb title_text=\u00a0\u00bbequations_champ_JANUS\u00a0\u00bb align=\u00a0\u00bbcenter\u00a0\u00bb _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb border_radii=\u00a0\u00bbon|20px|20px|20px|20px\u00a0\u00bb border_width_all=\u00a0\u00bb4px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][et_pb_text _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font_size=\u00a0\u00bb15px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p style=\"text-align: center;\">\u00c9quations du Mod\u00e8le Janus par Jean-Pierre Petit. Le premier \u00e9tage est celui de la Relativit\u00e9 G\u00e9n\u00e9rale d&rsquo;Einstein, le deuxi\u00e8me le compl\u00e8te en dessous avec des valeurs n\u00e9gatives.<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=\u00a0\u00bb1_2,1_2&Prime; _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb locked=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_button button_url=\u00a0\u00bbhttps:\/\/manuel-alec-auteur.com\/?page_id=1613&Prime; button_text=\u00a0\u00bbPage Pr\u00e9c\u00e9dente\u00a0\u00bb _builder_version=\u00a0\u00bb4.17.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_button=\u00a0\u00bbon\u00a0\u00bb button_text_color=\u00a0\u00bb#000000&Prime; button_bg_color=\u00a0\u00bb#FFF347&Prime; button_border_width=\u00a0\u00bb3px\u00a0\u00bb button_border_radius=\u00a0\u00bb20px\u00a0\u00bb button_icon=\u00a0\u00bb&#x48;||divi||400&Prime; 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