![]() It was a very attractive idea by itself, but the problem was that to match known flavor physics you needed to go to “Extended Technicolor”, which was really ugly (lots of new degrees of freedom, no predictivity). I remember first hearing about the Technicolor idea around 1979 when Susskind and Weinberg wrote about it. Everybody I knew was absolutely convinced that technicolour was right, and it wasn’t. This was a while ago when the idea of “technicolour” – a dynamical way to break electroweak symmetry via new gauge interactions – turned out to be wrong. I had one big negative surprise, as did much of the community. His comments on Technicolor strike me as odd: But the world looks very much like de Sitter space, so I don’t understand the argument and I suspect people are wrong here. ![]() The argument seems to be: let’s put a constraint on parameters in cosmology so that we can put de Sitter space in the swampland.
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