= Tom Kibble
{c}
{tag=Physicist}
{wiki}
= Thomas Walter Bannerman Kibble
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{synonym}
<Tom Kibble> related <spontaneous symmetry breaking> in the early <universe> to the formation of <topological defects>. Different regions can choose different states on a <vacuum manifold>. Its <homotopy groups> determine whether boundaries, loops or surrounding surfaces can be continuously unwound, giving possible <domain walls>, <cosmic strings> or monopoles. His 1976 paper also examines their subsequent cosmological effects. The connection makes the global shape of a space of field states relevant to large-scale physical structures.<Topology of cosmic domains and strings by Thomas Walter Bannerman Kibble>[1976 abstract and opening: homotopy classification and cosmological evolution of defects]{ref}
\Image[https://commons.wikimedia.org/wiki/Special:Redirect/file/Kibble%20at%20AIP-Sakurai.jpg?width=250]
{title=Portrait of <Tom Kibble>}
{description=Jason Socrates Bardi, 15 February 2010; existing portrait crop by Artem.G. https://commons.wikimedia.org/wiki/Template:PD-self[Public-domain dedication by copyright holder, worldwide], via Wikimedia Commons.}
{source=https://commons.wikimedia.org/wiki/File:Kibble_at_AIP-Sakurai.jpg}
{width=250}
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