Search for the πResonance in Two Particle Tunneling Experiments of YBCO Superconductors
Y. Bazaliy, E. Demler, S. C. Zhang
Abstract
A recent theory of the resonant neutron scattering peaks in YBCO superconductors predicts the existence of a sharp spin triplet two particle collective mode (the ``πresonance") in the normal state. In this paper, we propose an experiment in which the πresonance could be probed directly in a two particle tunneling measurement.
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