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SUMMARY:Euclidean-Signature Semi-Classical Methods for Bosonic Quantum Fie
ld Theories
DTSTART;VALUE=DATE-TIME:20151028T154500Z
DTEND;VALUE=DATE-TIME:20151028T164500Z
DTSTAMP;VALUE=DATE-TIME:20191116T232242Z
UID:indico-event-893@indico.math.cnrs.fr
DESCRIPTION:\nIt has long been realized by microlocal analysts that an alt
ernative\, ´Euclidean-signature´ semi-classical ansatz for solutions to
Schrödinger´s equation is much more natural\, from a mathematical point
of view\, than the classical\, physics textbook\, W.K.B. ansatz\, even tho
ugh the latter has the conceptual advantage of emphasizing the classical c
orrespondence principle. For technical reasons though this microlocal appr
oach has seemed to be limited to quantum mechanical problems and not to be
applicable to quantum field theories. In this seminar I will review this
method and discuss an expansive\, ongoing project with A. Marini (Yeshiva\
, L´Aquila) and R. Maitra (Wentworth I.T.) to extend these influential id
eas to bosonic quantum field theories including \\phip type scalar and Yan
g-Mills fields.\n\n\n\n \n\nhttps://indico.math.cnrs.fr/event/893/
LOCATION:IHES Amphithéâtre Léon Motchane
URL:https://indico.math.cnrs.fr/event/893/
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