Embedding the sawtooth limit in a zigzag ladder of two coupled SU(2)_1 CFTs with extreme velocity ratio cancels the leading staggered interaction, leaving a marginal twist that collapses the apical spin velocity and causes energy-scale collapse independent of spatial correlation length.
Doniach, The Kondo lattice and weak antiferromag- netism, Physica B+C91, 231 (1977)
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Mode-dependent ferromagnetic Kondo coupling yields singlet ground states and heavy Fermi liquids as a magnetic-channel analog to Anderson-Morel superconductivity.
UCd11 is a highly localized 5f^3 system, and the absence of satellite structures in core-level spectra is not a reliable sign of itinerant 5f behavior.
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Velocity collapse and non-conformal spiral phase in the sawtooth spin chain
Embedding the sawtooth limit in a zigzag ladder of two coupled SU(2)_1 CFTs with extreme velocity ratio cancels the leading staggered interaction, leaving a marginal twist that collapses the apical spin velocity and causes energy-scale collapse independent of spatial correlation length.
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Kondo singlet from ferromagnetic coupling: an analog of Anderson-Morel superconductivity in the magnetic channel
Mode-dependent ferromagnetic Kondo coupling yields singlet ground states and heavy Fermi liquids as a magnetic-channel analog to Anderson-Morel superconductivity.
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UCd$_{11}$: A strongly localized 5$f^3$ material
UCd11 is a highly localized 5f^3 system, and the absence of satellite structures in core-level spectra is not a reliable sign of itinerant 5f behavior.