In the early 1970s, Wilson developed the concept of a fully nonperturbative renormalization
group transformation. When applied to the Kondo problem, this numerical renormalization …

We review the recent progress in theory and experiments with lateral triple quantum dots
with controlled electron numbers down to one electron in each dot. The theory covers …

Quantum criticality is the intriguing possibility offered by the laws of quantum mechanics
when the wave function of a many-particle physical system is forced to evolve continuously …

Tuning a material to the cusp between two distinct ground states can produce physical
properties that are unlike those in either of the neighbouring phases. Advances in the …

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Two magnetic atoms, one attached to the tip of a scanning tunnelling microscope and one
adsorbed on a metal surface, each constituting a Kondo system, have been proposed as …

We consider a quantum dot coupled to a topological superconductor and two normal leads
and study the transport properties of the system. Using a Keldysh path-integral approach, we …

Low-temperature three-terminal transport measurements through a thiol end-capped π-
conjugated molecule have been carried out. Electronic excitations, including zero and finite …

We study the zero-bias conductance through the system of two quantum dots, one of which
is embedded directly between the source and drain electrodes, while the second dot is side …

We propose that real-space properties of the two-impurity Kondo model can be obtained
from an effective spin model where two single-impurity Kondo spin chains are joined via an …