HECAP Special Seminar this Friday (Gruzinov)

[HECAP - Margherita Di Giovannantonio]

*_HIGH ENERGY PHYSICS _**_SPECIAL _**_SEMINAR_**__*

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*Friday, 21 June* 2024, at *11:15*  - *_Budinich Lecture Hall _ - 
https://indico.ictp.it/event/10746*
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Andrei Gruzinov (New York University)

*“The Origin of Cosmic Magnetic Fields"*


_Abstract_

It is often claimed that the very existence of galactic and especially 
intergalactic magnetic fields proves that the cosmic magnetic field is 
primordial, and thus BSM physics is required to explain its origin. 
These claims are based on a simple misunderstanding of classical physics 
and astrophysics.
We show how the first cosmic magnetic fields  (likely) appeared in the 
first  baryonic halos. The observed galactic and intergalactic fields 
then pose no immediate problem. But, as nobody knows the ultimate, 
better constraints on primordial magnetic fields will always be of interest.



This is a hybrid event. *To Join via Zoom*:

https://zoom.us/j/96210799653

Meeting ID: 962 1079 9653

Passcode: 093945