Coupling Between An Optical Phonon and the Kondo Effect

Abstract

We explore the ultra-fast optical response of Yb_{14}MnSb_{11}, providing further evidence that this Zintl compound is the first ferromagnetic, under-screened Kondo lattice. These experiments also provide the first demonstration of coupling between an optical phonon mode and the Kondo effect.

4 Pages, 3 Figures, submitted to Phys. Rev. Lett

References in corpus (7)

• Quantum criticality
• Quasiparticle relaxation dynamics in superconductors with different gap structures: theory and experiments on YBa_{2}Cu_{3}O_{7-δ}
• Kinetics of a superconductor excited with a femtosecond optical pulse
• The underscreened Kondo lattice model applied to heavy fermion uranium compounds
• Phonon softening and double-well potential formation due to electron-phonon interaction in heavy-fermion systems
• Quasi-Kondo Phenomenon due to Dynamical Jahn-Teller Effect
• Optical study of interactions in a d-electron Kondo lattice with ferromagnetism

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