particle physics and cosmology from almost-commutative manifolds

144 Pages·2014·2.35 MB·English

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mairi sakellariadou
king’s college london
university of london
outline
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motivation
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formalism: noncommutative spectral geometry
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physical meaning ooff tthhee doubling of the algebra
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particle physics phenomenology: geometric explanation of SM
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gravitational theory early universe cosmology
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conclusions
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cosmology particle physics
cosmology
cosmology
EU models tested with
(cid:1) astrophysical data (CMB)
(cid:1) high energy experiments (LHC)
cosmology
EU models tested with
(cid:1) astrophysical data (CMB)
(cid:1) high energy experiments (LHC)
despite the golden era of cosmology, a number of questions:
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origin of DE / DM
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search for natural and well-motivated
inflationary model (alternatives…)
. . .
are still awaiting for a definite answer
main approaches:
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string theory
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LQC, SF, WdW, CDT, CS,…
main approaches:
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string theory
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LQC, SF, WdW, CDT, CS,…
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noncommutative spectral geometry
particle physics
particle physics
at low energies:
S + S
Einstein(cid:1)Hilbert Standard Model