Probing of the Kondo peak by the impurity charge measurement

TL;DR

This paper investigates the real-time evolution of the Kondo system's impurity charge following a local measurement, using an exactly solvable model to explicitly determine the dynamics.

Contribution

It provides an exact analytical solution for the impurity charge dynamics after measurement in the Kondo system using the infinite-degeneracy Anderson model.

Findings

Explicit evolution of impurity charge post-measurement

Analytical solution within the infinite-degeneracy Anderson model

Insights into the measurement-induced dynamics of Kondo systems

Abstract

We consider the real-time dynamics of the Kondo system after the local probe of the charge state of the magnetic impurity. Using the exactly solvable infinite-degeneracy Anderson model we find explicitly the evolution of the impurity charge after the measurement.