{"id":6505,"date":"2019-09-19T14:00:00","date_gmt":"2019-09-19T12:00:00","guid":{"rendered":"https:\/\/www.ieec.cat\/spin-of-primordial-black-holes\/"},"modified":"2023-01-17T15:06:23","modified_gmt":"2023-01-17T14:06:23","slug":"spin-of-primordial-black-holes","status":"publish","type":"post","link":"https:\/\/www.ieec.cat\/en\/spin-of-primordial-black-holes\/","title":{"rendered":"Spin of primordial black holes"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; fullwidth=&#8221;on&#8221; _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; background_image=&#8221;\/wp-content\/uploads\/2022\/04\/slider-corpo2.jpg&#8221; height=&#8221;114px&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;||0px||false|false&#8221; custom_padding=&#8221;||0px||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.14.8&#8243; 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_module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.ieec.cat\/wp-content\/uploads\/2022\/12\/1568715329_889f244c0d30f886deb639721de03314_2019_09_spin_of_primordial_black_holes.jpg&#8221; alt=&#8221;Spin of primordial black holes&#8221; title_text=&#8221;Spin of primordial black holes&#8221; _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; width=&#8221;600px&#8221; module_alignment=&#8221;center&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_text _builder_version=&#8221;4.14.8&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]We discuss the spin of primordial black holes (PBH) formed during radiation domination under the assumption of Gaussian statistics. They are formed by the collapse of rare fluctuations.<\/p>\n<p>We argue that their angular momentum is quadratic in the rarity of the fluctuations, and illustrate one quadratic contribution to the spin by calculating the torque on a black hole due to ambient acoustic waves.[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We discuss the spin of primordial black holes (PBH) formed during radiation domination under the assumption of Gaussian statistics. They are formed by the collapse of rare fluctuations. We argue that their angular momentum is quadratic in the rarity of the fluctuations, and illustrate one quadratic contribution to the spin by calculating the torque on [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":6501,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"2880","footnotes":""},"categories":[72,94],"tags":[],"class_list":["post-6505","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-events","category-talk"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Spin of primordial black holes - IEEC<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ieec.cat\/en\/spin-of-primordial-black-holes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Spin of primordial black holes - IEEC\" \/>\n<meta property=\"og:description\" content=\"We discuss the spin of primordial black holes (PBH) formed during radiation domination under the assumption of Gaussian statistics. 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