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Summary: ZERO BIAS FEATURES IN SELF-ASSEMBLING TUNNEL JUNCTIONS
DARIN T. ZIMMERMAN
Department of Physics, Penn State Altoona College, Altoona, Pennsylvania 16601-3760, USA
GLENN AGNOLET AND STEPHEN R. SAVITSKI
Department of Physics, Texas A&M University, College Station, Texas 77843-4242, USA
II. 2-CHANNEL KONDO MODEL (2CK)3
Voltage dependence attributed to scattering of electrons by nearly degenerate
two-level defects
· Conductance scales as V1/2
inside ZBF region
· Conductance varies as (V,T) = 0
(0,T) + BT 1/2
(A) where = eV/kB
T
and the universal scaling function () - 1 asymptotically approaches 1/2
as .
· (V,T)/T1/2
= ((V,T) - 0
(0,T))/T 1/2
should be a linear function of the
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