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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
BEGIN:VEVENT
SEQUENCE:2
UID:UW-Physics-Event-6844
DTSTART:20220208T160000Z
DTEND:20220208T170000Z
DTSTAMP:20260414T113229Z
LAST-MODIFIED:20220202T171751Z
LOCATION:5310 Chamberlin Hall
SUMMARY:Novel optical probes in the study of condensed matter systems\
 , R. G. Herb Condensed Matter Seminar\, Ilya Esterlis\, Harvard Univer
 sity
DESCRIPTION:A great deal of our understanding of condensed matter come
 s from observing how materials interact with light. In recent years\, 
 the development of novel optical probes has opened yet a new route by 
 which to investigate condensed matter systems\, allowing to both inter
 rogate interesting materials that are challenging to study by conventi
 onal means and also yielding information in complementary parameter re
 gimes. I will focus on two such probes: exciton spectroscopy in 2D sem
 iconductors and sensing with nitrogen-vacancy (NV) centers in diamond.
  As a concrete demonstration\, I will describe (1) how these probes ha
 ve been utilized to establish the existence of Wigner crystal phases â
 €” the solid phase of the interacting electron gas — in 2D transitio
 n-metal dichalcogenide (TMD) systems and (2) how they may further eluc
 idate properties of the electron solid and also shed light on the natu
 re of the corresponding liquid-solid transition\, where effects such a
 s frustrated magnetism and impurity interactions are expected to resul
 t in exotic and fascinating physics. Finally\, I will provide some out
 look on the promise of these techniques to investigate more general cl
 asses of interesting condensed matter systems. 
URL:https://www.physics.wisc.edu/events/?id=6844
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