November 24, 2014
11:30AM - 12:30PM
Smith Seminar Room (1080 PRB)
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2014-11-24 12:30:00
2014-11-24 13:30:00
Condensed Matter Theory Seminar - David Pekker (University of Pittsburgh), "Many-body localization"
In the past, condensed matter physicists have identified two types of insulators: band insulators and Mott insulators. In both types the Fermi surface lies inside a gap (either a band gap or an interactions induced gap) and hence there are no electronic states to carry a current. Recently, the interplay of disorder and interaction has been shown to result in a new type of insulator: the many-body localized insulator. Unlike band- and Mott-insulators that show Arrhenius conductivity at finite temperatures (due to thermal activation over the gap), the many-body localized insulator shows exactly zero conductivity. In my talk, I will describe the origin of this and other properties of this fascinating novel phase of matter.
Smith Seminar Room (1080 PRB)
OSU ASC Drupal 8
ascwebservices@osu.edu
America/New_York
public
Date Range
Add to Calendar
2014-11-24 11:30:00
2014-11-24 12:30:00
Condensed Matter Theory Seminar - David Pekker (University of Pittsburgh), "Many-body localization"
In the past, condensed matter physicists have identified two types of insulators: band insulators and Mott insulators. In both types the Fermi surface lies inside a gap (either a band gap or an interactions induced gap) and hence there are no electronic states to carry a current. Recently, the interplay of disorder and interaction has been shown to result in a new type of insulator: the many-body localized insulator. Unlike band- and Mott-insulators that show Arrhenius conductivity at finite temperatures (due to thermal activation over the gap), the many-body localized insulator shows exactly zero conductivity. In my talk, I will describe the origin of this and other properties of this fascinating novel phase of matter.
Smith Seminar Room (1080 PRB)
Department of Physics
physics@osu.edu
America/New_York
public
In the past, condensed matter physicists have identified two types of insulators: band insulators and Mott insulators. In both types the Fermi surface lies inside a gap (either a band gap or an interactions induced gap) and hence there are no electronic states to carry a current. Recently, the interplay of disorder and interaction has been shown to result in a new type of insulator: the many-body localized insulator. Unlike band- and Mott-insulators that show Arrhenius conductivity at finite temperatures (due to thermal activation over the gap), the many-body localized insulator shows exactly zero conductivity. In my talk, I will describe the origin of this and other properties of this fascinating novel phase of matter.
