Condensed-Matter Physics & Materials Science Seminar

""Superconductivity and magnetism at ferroelectric critical point""

Presented by Alexander Balatsky, UConn Nordita

Thursday, April 18, 2019, 1:30 pm — ISB Bldg. 734 Conf. Rm. 201 (upstairs)

It is well established that multiple entangled orders emerge in quantum materials at criticality: eg superconducting states develop in the vicinity of magnetic phases. I will make the case that similar phenomena occur in quantum paraelectrics. Recent observations of strain and O18 isotope substitution in doped STO support the view of the key role critical ferroelectric fluctuations play in producing superconductivity. Looking beyond superconductivity, I will illustrate how quantum ferroelectric fluctuations can induce magnetic fluctuations due to recently proposed phenomenon of dynamic multiferroicity.

Hosted by: Ilya Drozdov

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