The fundamental interactions of the Standard Model are described by Yang-Mills theory. This is a gauge theory, which means the following: (1) Choose a group of global i.e. spacetime-independent symmetries and write down the Lie algebra which generates it, (2) ‘Gauge’ this algebra, i.e. make the symmetries spacetime-dependent, and (3) Introduce gauge fields which compensate […]

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Academics / Physics : New Scientist: Physics and Math

General relativity and quantum theory are fundamentally incompatible theories of reality. How so – and what can we do about that?

Academics / General Science : ScienceDaily: Science Society

Physicists and mathematicians have made a significant step toward unifying general relativity and quantum mechanics by explaining how spacetime emerges from quantum entanglement in a more fundamental theory.

Academics / Physics : Quantum Diaries

Now time for another installment of “symmetry in physics.” For those of you tuning in late (or who have forgotten what we’ve been discussing), we started out in part 1 with a very general discussion of the symmetries of spacetime an...

Academics / Physics : Resonaances

The year 2015 began as any other year... I mean the hangover situation in particle physics. We have a theory of fundamental interactions - the Standard Model - that we know is certainly not the final theory because it cannot account...

Academics / Physics : Resonaances

The year 2016 began as any other year... I mean the hangover situation in particle physics. We have a theory of fundamental interactions - the Standard Model - that we know is certainly not the final theory because it cannot account...

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