CMT Seminar - Premala Chandra, Rutgers University, Department of Physics and Astronomy - Monday, November 14th -11:30am, 1080 Smith Seminar Room PRB

[Robbins, Eric]

Please join us for a CMT Seminar presented by Premala Chandra, November 14th at 11:30am in 1080 Smith Seminar Room

"Why Study Ferroelectric Quantum Criticality?"

Abstract: The quest for universality at continuous quantum phase transitions
    suggests that quantum criticality should be studied in a variety of settings.
    Displacive quantum paraelectrics have been proposed as simple quantum
    critical systems, as they have few degrees of freedom,  propagating (phonon)
    dynamics and they reside at their marginal dimension where both scaling and
    generalized Langevin random field theories apply (up to unobservable logarithmic
    corrections).   I will present characterization of temperature-dependent measurable
    quantities in the vicinity of displacive ferroelectric quantum critical points,  indicating
    good agreement between theory and experiment.  I will end with open questions
    for future research on this area that include unusual forms of superconductivity in
    doped quantum paraelectrics.

Work done in collaboration with J.C. Lashley, G.G. Lonzarich, C. Morice, S.E. Rowley, S. Saxena and J.F. Scott

Thank you,
Eric

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