Quantum informational properties of the Landau-Streater channel

Sergey N. Filippov, Ksenia V. Kuzhamuratova

We study the Landau--Streater quantum channel $\Phi :\mathcal{B}({\mathcal{H}}_d)\mapsto \mathcal{B}({\mathcal{H}}_d)$, whose Kraus operators are proportional to the irreducible unitary…