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Effects of interactions on Lifshitz transition: taking sodium cobaltate as a possible example.

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If you have a question about this talk, please contact Helen Verrechia .

Topological transitions of the Fermi Surface (Lifshitz) is an old concept, that has started playing a fundamental role in the physics of many quantum systems. The effects of interactions remain unresolved. In this talk, after introducing the main concepts of Lifshitz as well as Pomeranchuk instabilities of the Fermi surface as well as a proposal for a cold atom experiment, I will focus on the recent physics of sodium cobaltates (NaxCoO2) exposed under the hypothesis of a Lifshitz transition.

This talk is part of the Quantum Matter Seminar series.

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Room 302, Helmore Building (Anglia Ruskin University, Cambridge Campus) "please register here":https://protect-eu.mimecast.com/s/EEd9CpklwHlyO8WCDq6LA?domain=eventbrite.com Mary Allan Building, Homerton College, Hills Road, Cambridge CB2 8PQ

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