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DTSTART;TZID=Europe/Paris:20250211T140000
DTEND;TZID=Europe/Paris:20250211T140000
DTSTAMP:20260413T134136
CREATED:20250206T080101Z
LAST-MODIFIED:20250207T092017Z
UID:11382-1739282400-1739282400@fermi.univ-tlse3.fr
SUMMARY:Unusual spin-orbit couplings in antiferromagnets. - (Revaz Ramazashvili / LPT / HDR). - 11/02/2025\, 14H
DESCRIPTION:Soutenance de HDR \nRevaz Ramazashvili\, LPT\, Salle de conférence\, Bat. 3R4 \nSummary: \nThis work is devoted to unusual spin-orbit couplings in antiferromagnets: those that fall outside the textbook classification by order of the expansion in the inverse speed of light 1/c. Contrary to the textbook Pauli spin-orbit coupling that arises only at second order in 1/c\, the unusual couplings of this work appear already at first and zeroth order in 1/c: \n– The Zeeman spin-orbit coupling\, arising from a substantial momentum dependence of the g-tensor\, is first-order in 1/c. \n– A smooth texture (non-uniform configuration) of the Néel order parameter generates a spin-orbit coupling that is of order zero in 1/c. \nBoth the Zeeman and the texture-induced spin-orbit coupling produce anomalous effects that are also a subject of this work. \n\n \n \n 
URL:https://fermi.univ-tlse3.fr/event/unusual-spin-orbit-couplings-in-antiferromagnets-revaz-ramazashvili-lpt-hdr-11-02-2025-14h/
LOCATION:Salle de conférence\, Bâtiment 3R4
CATEGORIES:Events,HDR / Thesis,LPT
ATTACH;FMTTYPE=image/jpeg:https://fermi.univ-tlse3.fr/wp-content/uploads/2025/02/HDR_Ramazashvili.jpg
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