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<p class="MsoNormal"><span style="font-family:"Times New Roman",serif">Please join us TODAY for the Condensed Matter Experiment Seminar presented by Andrei Kogan, University of Cincinnati at 11:30am in the Smith Seminar Room (1080 PRB). The title and abstract
for the talk are below. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif">“Non-adiabatic transport in Single-Electron transistors in the Kondo regime”<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman",serif">Magnetic impurities in conductors alter the Fermi sea: A many-body state (A Kondo singlet) is formed that entangles itinerant carriers and the impurity site. This causes a sharp rearrangement
of the density of states near the Fermi surface into a hierarchical set governed by a single energy parameter Tk, the Kondo temperature. Equilibrium physics of such electronic “knots” scales with Tk and is highly universal: impurities that differ microscopically
from one another yet have similar Kondo temperatures produce Kondo states with similar properties. Recent studies of Kondo physics with voltage-controllable spin traps known as Single-Electron Transistors (SETs) have focused on nonequilibrium Kondo phenomena,
sensitive to the interplay between coherent correlations and dissipative effects, aiming to understand the extent of Kondo universality away from equilibrium.<o:p></o:p></span></p>
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