Quantum dot systems: a versatile platform for quantum simulations

P Barthelemy, LMK Vandersypen - Annalen der Physik, 2013 - Wiley Online Library
Quantum mechanics often results in extremely complex phenomena, especially when the
quantum system under consideration is composed of many interacting particles. The states …

Exchange interaction between single magnetic adatoms

P Wahl, P Simon, L Diekhöner, VS Stepanyuk, P Bruno… - Physical review …, 2007 - APS
The magnetic coupling between single Co atoms adsorbed on a copper surface is
determined by probing the Kondo resonance using low-temperature scanning tunneling …

Transition between quantum states in a parallel-coupled double quantum dot

JC Chen, AM Chang, MR Melloch - Physical review letters, 2004 - APS
Strong electron and spin correlations in a double quantum dot (DQD) can give rise to
different quantum states. We observe a continuous transition from a Kondo state exhibiting a …

Quantum simulation of the Hubbard model with dopant atoms in silicon

J Salfi, JA Mol, R Rahman, G Klimeck… - Nature …, 2016 - nature.com
In quantum simulation, many-body phenomena are probed in controllable quantum systems.
Recently, simulation of Bose–Hubbard Hamiltonians using cold atoms revealed previously …

A tunable two-impurity Kondo system in an atomic point contact

J Bork, Y Zhang, L Diekhöner, L Borda, P Simon… - Nature Physics, 2011 - nature.com
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 …

Multiple-impurity Anderson model for quantum dots coupled in parallel

R Žitko, J Bonča - Physical Review B—Condensed Matter and Materials …, 2006 - APS
The system of several (N) quantum dots coupled in parallel to the same single-mode
conduction channel can be modeled as a single-channel N-impurity Anderson model. Using …

Kondo effect in the presence of magnetic impurities

HB Heersche, Z de Groot, JA Folk, LP Kouwenhoven… - Physical review …, 2006 - APS
We measure transport through gold grain quantum dots fabricated using electromigration,
with magnetic impurities in the leads. A Kondo interaction is observed between dot and …

Ruderman-Kittel-Kasuya-Yosida and Magnetic-Field Interactions<? format?> in Coupled Kondo Quantum Dots

P Simon, R López, Y Oreg - Physical review letters, 2005 - APS
We investigate theoretically the transport properties of two independent artificial Kondo
impurities. They are coupled together via a tunable Ruderman-Kittel-Kasuya-Yosida (RKKY) …

Interference effects on Kondo-assisted transport through double quantum dots

Y Tanaka, N Kawakami - Physical Review B—Condensed Matter and …, 2005 - APS
We systematically investigate electron transport through double quantum dots with particular
emphasis on interference induced via multiple paths of electron propagation. By means of …

Probing spin and orbital Kondo effects with a mesoscopic interferometer

R López, D Sánchez, M Lee, MS Choi, P Simon… - Physical Review B …, 2005 - APS
We investigate theoretically the transport properties of a closed Aharonov-Bohm
interferometer containing two quantum dots in the strong coupling regime. We find two …