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Mohamed Anber (Lewis & Clark College)29/07/2021, 13:00
Axions are conspicuous in particle physics; their role in physics beyond the Standard Model and cosmology cannot be overestimated. Despite the fact that they have been around for more than 40 years, recent formal developments have brought in new lessons on the interplay between axions and strong dynamics. In this talk, I discuss a new class of generalized 't Hooft anomalies that was recently...
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Yohei Ema (DESY)29/07/2021, 13:30
Particle production in strong electromagnetic fields, the Schwinger effect, is a recurring theme in solid state physics, heavy ion collisions, early universe cosmology and formal quantum field theory. In this talk, after reviewing the standard Schwinger effect, we show that the pair production rate of charged fermions in a strong electric field is enhanced in the presence of time dependent...
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Hajime Fukuda29/07/2021, 14:00
The axion has an exact 2pi shift symmetry. The symmetry is a redundancy of the system and the axion can be regarded as a gauge Boson of the redundancy. From this point of view, the axion interaction is the so-called Chern-Simons term, behind which rich dynamics are known to be.
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I will review the axion as the gauge Boson and introduce our work on dynamics of the axion in terms of the... -
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