Friedel sum rule for an interacting multiorbital quantum dot
classification
❄️ cond-mat.mes-hall
cond-mat.str-el
keywords
friedelquantumruleaccountcorrelationsdegreesdensityderived
read the original abstract
A generalized Friedel sum rule is derived for a quantum dot with internal orbital and spin degrees of freedom. The result is valid when all many-body correlations are taken into account and it links the phase shift of the scattered electron to the displacement of its SPECTRAL density into the dot.
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