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X-ORIGINAL-URL:https://www.lps.u-psud.fr/
X-WR-CALNAME:Laboratoire de physique des Solides
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BEGIN:VEVENT
CLASS:PUBLIC
DTSTART;TZID=Europe/Paris:20220908T110000
DTEND;TZID=Europe/Paris:20220908T120000
DTSTAMP:20220825T094200
UID:MEC-3db11d259a9db7fb8965bdf25ec850b9@lps.u-psud.fr
CREATED:20220825
LAST-MODIFIED:20220825
PRIORITY:5
TRANSP:OPAQUE
SUMMARY:P.SUKHACHOV: Anomalous sound attenuation and electromagnetic field penetration in Weyl and Dirac materials
DESCRIPTION:\n		A salient feature of Weyl and Dirac materials is the possibility to realize the chiral anomaly due to their relativistic-like electronic spectra and nontrivial topology.\n\nI will present my recent results related to the manifestations of the chiral anomaly in sound attenuation and electromagnetic field penetration. Due to the interplay of intra- and inter-node scattering processes as well as screening, an external magnetic field generically reduces the sound absorption. A nontrivial dependence on the relative direction of the magnetic field and the sound wave vector, i.e., the magnetic sound dichroism, can occur in materials with nonsymmetric Weyl nodes.\n\nAlso, I will demonstrate that the current response to an electromagnetic field in a Weyl or Dirac semimetal becomes nonlocal due to the chiral anomaly even under the conditions of the normal skin effect. Signatures of this nonlocality may be found in the transmission of electromagnetic waves.\n\n
URL:https://www.lps.u-psud.fr/events/sukhachov-08092022/
ORGANIZER;CN=Andrej Meszaros:MAILTO:
CATEGORIES:Séminaire de la Théorie de la Matière Condensée
LOCATION:Salle S315 (LPS 3e aile Sud) + ONLINE (ZOOM)
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