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Pedro Ribeiro: Thermodynamically unbalanced steady-states – A route to novel ordered phases

January 30 @ 4:00 pm - 6:00 pm

In this talk I will argue that novel ordered phases can be expected for interacting quantum systems away from thermal equilibrium. I will start by reporting a set of mean-field results concerning the effects of large bias voltages applied across an half-filled Hubbard chain. As a function of the applied voltage and temperature a rich set of phases can be found that is induced by the interplay between electron-electron interactions and non-equilibrium conditions. Taking a step back, I try to explain why such phases are possible (at least at the mean field level). This will motivate the characterization of the current-carrying steady-state that arises in the middle of a non-interacting metallic wire connected to macroscopic leads. Finally, I will comment on some ongoing work regarding the fate of the Peierls transition in a similar non-equilibrium setup.

* Pedro Ribeiro, CeFEMA & Physics DepartmentISTUniversidade de Lisboa.

 

 

Details

Date:
January 30
Time:
4:00 pm - 6:00 pm

Venue

Kuščerjev seminar, Fakulteta za matematiko in fiziko UL
Jadranska 19
Ljubljana, Slovenia
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Website:
https://www.fmf.uni-lj.si/si/

Organizer

FMF