University of Cambridge > Talks.cam > Quantum Matter Seminar > Using Disorder to Detect Local Order: Noise and Nonequilibrium Effects in Disordered Electron Nematics

Using Disorder to Detect Local Order: Noise and Nonequilibrium Effects in Disordered Electron Nematics

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Joint TCM/QM seminar - note non-standard time.

Interactions between electrons can lead to electronic liquid crystal states, which partially break the symmetries of the host crystal. Recent experiments on the pseudogap region of cuprate superconductors point to an electron nematic phase, a translationally invariant state which spontaneously breaks the discrete rotational symmetry of the crystal. However, disorder caused by dopant atoms typically induces a domain structure, making the phase difficult to detect using conventional experimental techniques. Using a mapping of this domain structure to the random field Ising model, we explore the effects of noise and hysteresis in transport anisotropy, superfluid density, and scanning tunneling microscopy.

This talk is part of the Quantum Matter Seminar series.

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