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SUMMARY:Gr.IV seminar: Níckolas de Aguiar Alves (Scuola Normale Superiore
 ) - "Could frogs teach us something about quantum gravity?".
DTSTART:20261021T140000Z
DTEND:20261021T150000Z
DTSTAMP:20261018T035200Z
UID:indico-event-53655@agenda.infn.it
DESCRIPTION:A frog sits in a quiet bog. It starts to croak\, and the sound
  moves the air molecules around it. When the frog stops croaking\, these m
 olecules might not return to their original positions. This new "memory ef
 fect" is completely analogous to predictions made in general relativity in
  the 1970s and in electrodynamics in the 2010s. None of these predictions 
 has been experimentally tested yet. Therefore\, the acoustic case provides
  an alternative route for experimental investigation. The analogy is furth
 er deepened by rewriting acoustics in terms of a Kalb--Ramond two-form fie
 ld\, which displays that---just like gravity and electrodynamics---linear 
 acoustics has asymptotic symmetries associated with this memory effect\, a
 nd a soft theorem as well. Based on arXiv: 2512.15796 [hep-th].\n\nhttps:/
 /agenda.infn.it/event/53655/
LOCATION:0M03
URL:https://agenda.infn.it/event/53655/
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