Condensed Matter Seminar: "Singular density fluctuations in the strange metal phase of a copper-oxide superconductor"
(sign-up)Matteo Mitrano, University of Illinois at Urbana-Champaign
Physics - Condensed Matter
High-temperature superconductivity often arises out of an anomalous normal state commonly referred to as a “bad” or “strange” metal, currently regarded as one of the least understood phases of matter. A fundamental hallmark of the strange metal is the lack of well-defined electron quasiparticles. In ordinary metals, quasiparticles manifest as propagating collective modes encoded in the dynamic charge susceptibility, χ(q,ω), which describes the response of the system to applied fields. However, the analogous collective modes of a strange metal are currently unknown.
Mitrano1, A. A. Husain1, S. Vig1, A. Kogar1,2, M. S. Rak1, S. I. Rubeck1, J. Schmalian3, B. Uchoa4, J. Schneeloch5, R. Zhong5, G. D. Gu5, P. Abbamonte1
1 Department of Physics and Materials Research Laboratory, University of Illinois, Urbana, IL 61801, USA
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