{"id":10644,"date":"2026-10-26T11:45:15","date_gmt":"2026-10-26T06:15:15","guid":{"rendered":"https:\/\/www.isical.ac.in\/~pamu\/?post_type=event&#038;p=10644"},"modified":"2026-10-26T15:20:30","modified_gmt":"2026-10-26T09:50:30","slug":"matter-from-motion-baryogenesis-in-equilibrium","status":"publish","type":"event","link":"https:\/\/www.isical.ac.in\/~pamu\/event\/matter-from-motion-baryogenesis-in-equilibrium\/","title":{"rendered":"Matter from Motion: Baryogenesis in Equilibrium"},"content":{"rendered":"<p>The observed matter\u2013antimatter asymmetry of the Universe remains one of the fundamental puzzles in modern cosmology. Conventional baryogenesis mechanisms rely on the Sakharov conditions, including departure from thermal equilibrium. However, a time-dependent scalar background can bias particle and antiparticle populations, enabling baryogenesis even when the relevant interactions remain in thermal equilibrium.<br \/>\nIn this talk, I will discuss this possibility within a minimal dynamical scotogenic framework, where neutrino masses are generated radiatively and a spontaneously broken global <i>U<\/i>(1)<i><sub>B-L<\/sub><\/i> symmetry gives rise to a Nambu\u2013Goldstone boson, the Majoron. A rolling Majoron field induces an effective chemical potential for B-L, allowing a lepton asymmetry to develop through rapid lepton-number-violating interactions without requiring a decay-induced CP asymmetry. This mechanism enables successful leptogenesis at relatively low right-handed neutrino mass scales. I will also discuss its implications for neutrino masses and multicomponent dark matter, connecting particle physics with early-Universe cosmology.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The observed matter\u2013antimatter asymmetry of the Universe remains one of the fundamental puzzles in modern cosmology. Conventional baryogenesis mechanisms rely on the Sakharov conditions, including departure from thermal equilibrium. However, a time-dependent scalar background can bias particle and antiparticle populations, enabling baryogenesis even when the relevant interactions remain in thermal equilibrium. In this talk, I [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","categories":[106],"tags":[],"class_list":["post-10644","event","type-event","status-publish","hentry","category-upcoming-short-term-event"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.isical.ac.in\/~pamu\/wp-json\/wp\/v2\/event\/10644","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.isical.ac.in\/~pamu\/wp-json\/wp\/v2\/event"}],"about":[{"href":"https:\/\/www.isical.ac.in\/~pamu\/wp-json\/wp\/v2\/types\/event"}],"version-history":[{"count":5,"href":"https:\/\/www.isical.ac.in\/~pamu\/wp-json\/wp\/v2\/event\/10644\/revisions"}],"predecessor-version":[{"id":10651,"href":"https:\/\/www.isical.ac.in\/~pamu\/wp-json\/wp\/v2\/event\/10644\/revisions\/10651"}],"wp:attachment":[{"href":"https:\/\/www.isical.ac.in\/~pamu\/wp-json\/wp\/v2\/media?parent=10644"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.isical.ac.in\/~pamu\/wp-json\/wp\/v2\/categories?post=10644"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.isical.ac.in\/~pamu\/wp-json\/wp\/v2\/tags?post=10644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}