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PRODID:https://murmitoyen.com/events/vanille/udem/
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UID:69ddb57926e68
DTSTAMP:20260413T233313
DTSTART:20151002T113000
SEQUENCE:0
TRANSP:OPAQUE
DTEND:20151002T123000
URL:https://murmitoyen.com/events/vanille/udem/detail/628077-titre-a-venir-
 collin-broholm-johns-hopkins
LOCATION:Université de Montréal - Pavillon Roger-Gaudry\, 2900\, chemin d
 e la Tour\, Montréal\, QC\, Canada\, H3T 1J6
SUMMARY:Strange Magnetism Exposed by Neutron Scattering - Collin Broholm (J
 ohns Hopkins)
DESCRIPTION:Strange Magnetism Exposed by Neutron Scattering
\nCollin Brohol
 m (Johns Hopkins)
\nA radically different form of magnetism defined by qua
 ntum entanglement is explored using neutron scattering. Starting from illu
 strative one-dimensional examples\, I discuss recent experiments that prob
 e magnetic excitations in two and three-dimensional frustrated quantum mag
 nets. In analogy with atomic positions in superfluid 4He\, atomic scale ma
 gnetic dipoles in these materials exist in a state of quantum superpositio
 n near the absolute zero temperature. While there is no static magnetic or
 der to distinguish such materials they host exotic emergent quasi-particle
 s that scatter neutrons. The potential relevance of the quantum spin liqui
 d to high temperature superconductivity shall be illustrated through our r
 ecent quantitative and spatially resolved measurements of the superconduct
 ing condensation energy in Fe1+ySexTe1-x [3].
\nVoici le lien vers la page
  web du groupe de recherche du Pr Broholm
\nCette conférence est présent
 ée par le RQMP Versant Nord du Département de physique de l'Université 
 de Montréal et le Département de génie physique de Polytechnique Montr
 éal.
\nCette conférence s'adresse à tous\, y compris les professeurs\, 
 les chercheurs et les étudinats des trois cycles. Le café est servi à p
 artir de 11h30.
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