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Condensed Matter Events

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Condensed Matter Calendar:

Spring 2021

Jan 15, 2021

A Wannier center perspective on higher-order topological insulators

4:00 pm – 5:00 pm (CDT)Streaming Live

Speaker: Wladimir Benalcazar (Pennsylvania State University)

In the presence of crystalline symmetries, certain topological insulators present a filling anomaly: a mismatch between the number of electrons in an energy band and the number of electrons required for charge neutrality. This seminar will show how a “corner-induced filling anomaly” is at the core of the bulk-boundary correspondence of hig... read more  »

Jan 22, 2021

Magic-angle twisted bilayer graphene at charge neutrality: interactions and disorder

4:00 pm – 5:00 pm (CDT)Streaming Live

Speaker: Alex Thomson (Caltech)

Magic-angle twisted bilayer graphene at charge neutrality: interactions and disorder Stacking two graphene layers twisted by the ‘magic angle’ 1.1º generates flat energy bands, which in turn catalyzes various strongly correlated phenomena depending on filling and sample details. While this system is most famous for the superconducting and insulati... read more  »

Jan 26, 2021

Evidence of Kondo Screening Cloud of Micron Lengths

3:30 pm – 4:30 pm (CDT)Streaming Live

Speaker: Ivan Borzenets (City University of Hong Kong)

The Kondo effect, known as the archetype of many-body correlations, arises from the interaction between a localized magnetic moment and surrounding conducting electrons. Advances of nanotechnology allow us to study the Kondo effect for a single magnetic impurity confined in a semiconductor quantum dot in contact with electron reservoirs. This developmen... read more  »

Jan 29, 2021

Universal decay of spin spiral order in the Heisenberg model

4:00 pm – 5:00 pm (CDT)Streaming Live

Speaker: Joaquin F. Rodriguez-Nieva (Stanford)

Characterizing the mechanisms responsible for the breakdown of phase coherence in quantum systems is a fundamental problem with broad implications in quantum science and technology. In this talk, I describe the mechanisms of dephasing and relaxation of spin spirals in the Heisenberg model. In the first part of my talk, I will discuss a novel mechanism t... read more  »

Feb 5, 2021

OPEN

4:00 pm – 5:00 pm (CDT)Streaming Live

Speaker: TBA

Feb 12, 2021

OPEN

4:00 pm – 5:00 pm (CDT)Streaming Live

Speaker: TBA

Feb 19, 2021

OPEN

4:00 pm – 5:00 pm (CDT)Streaming Live

Speaker: TBA

Feb 26, 2021

OPEN

4:00 pm – 5:00 pm (CDT)Streaming Live

Speaker: TBA

Mar 5, 2021

OPEN

4:00 pm – 5:00 pm (CDT)Streaming Live

Speaker: TBA

Mar 12, 2021

OPEN

4:00 pm – 5:00 pm (CDT)Streaming Live

Speaker: TBA

Mar 19, 2021

Spring Break

4:00 pm – 5:00 pm (CDT)

Speaker: TBA

Mar 26, 2021

OPEN

4:00 pm – 5:00 pm (CDT)Streaming Live

Speaker: TBA

Apr 2, 2021

OPEN

4:00 pm – 5:00 pm (CDT)Streaming Live

Speaker: TBA

Apr 9, 2021

Physics Festival

4:00 pm – 5:00 pm (CDT)

Speaker: TBA

Apr 16, 2021

OPEN

4:00 pm – 5:00 pm (CDT)Streaming Live

Speaker: TBA

Apr 23, 2021

OPEN

4:00 pm – 5:00 pm (CDT)Streaming Live

Speaker: TBA

Apr 30, 2021

OPEN

4:00 pm – 5:00 pm (CDT)Streaming Live

Speaker: TBA