Abstract
We analyze a setup composed of a correlated quantum dot (QD) coupled to one
metallic lead and one end of topological chain hosting a Majorana zero mode
(MZM). In such a hybrid structure, a leakage of the MZM into the region of the
QD competes with the Kondo resonance appearing as a consequence of the
spin-exchange interactions between the dot and the lead. In the work, we use
the nontrivial technique called the continuous unitary transformation (CUT) to
analyze this competition. Using the CUT technique, we inspect the influence of
the coupling between the QD and the chain on effective exchange interactions
and calculate the resultant Kondo temperature.
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