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Condensed Matter Journal Club: Quantum dynamics of 2D randomly pinned charge density waves

Event Type
Seminar/Symposium
Sponsor
Condensed Matter Journal Club
Location
Loomis 222
Date
Oct 16, 2024   3:00 pm  
Speaker
Matthew O'Brien (UIUC)
Contact
Amanda Gatto Lamas
E-Mail
amandag6@illinois.edu
Views
6
Originating Calendar
Physics - Condensed Matter Journal Club

The nature of dynamic charge correlations in randomly disordered charge density wave (CDW) materials is an open problem. In this talk, I will present work I have done studying the interplay of quantum and thermal fluctuations with quenched random field disorder. I will start with an overview of the non-perturbative large-N technique in field theory. Then, I will show how to use this method to map out the exact phase diagram as a function of temperature and disorder strength. Finally, I will present new results on a novel crossover in the fluctuational dynamics of the CDW order parameter. 

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