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SUMMARY:Exotic types of phase transitions in solids
DTSTART:20260703T111500Z
DTEND:20260703T130000Z
DTSTAMP:20260707T150100Z
UID:indico-event-1471@indico.hiskp.uni-bonn.de
DESCRIPTION:Speakers: Manfred Fiebig (ETH Zürich)\n\nThe concept of phase
  transitions emerged in the nineteenth century within the framework of the
 rmodynamics. In such transitions\, a small change in external conditions c
 an lead to a drastic transformation of the ground-state properties of a ma
 terial. The melting of ice into water is perhaps the most familiar example
 . Traditionally\, phase transitions are classified as first or second orde
 r and are often described in terms of symmetry breaking within the Landau 
 theory of phase transitions.\n \nWith the current surge of interest in qu
 antum materials as systems in which quantum coherence plays a central orga
 nizing role\, new types of phase transitions are attracting increasing att
 ention. In some of these systems\, it is the topology rather than the symm
 etry of the state that changes at the transition point. Others exhibit qua
 ntum phase transitions\, where quantum fluctuations\, rather than thermal 
 ones\, drive the change of phase. Yet other examples arise in non-Hermitia
 n systems\, where the transition affects the dynamical properties of a mat
 erial rather than its ground state.\n \nIn my talk\, I will highlight sev
 eral examples from this emerging landscape of “exotic phase transitions
 ” and discuss the new perspectives they offer for our understanding of c
 ondensed matter\, as well as their potential implications for future techn
 ologies.\n\nhttps://indico.hiskp.uni-bonn.de/event/1471/
LOCATION:Käthe-Kümmel-Str. 1/0.056 (ROT) - Lecture Hall (ROT)
URL:https://indico.hiskp.uni-bonn.de/event/1471/
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