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- S Csonka, L Hofstetter, +5 authors J Nygård
- Nano letters
- 2008

We study the g-factor of discrete electron states in InAs nanowire based quantum dots. The g values are determined from the magnetic field splitting of the zero bias anomaly due to the spin 1/2 Kondo effect. Unlike to previous studies based on 2DEG quantum dots, the g-factors of neighboring electron states show a surprisingly large fluctuation: g can… (More)

- L Hofstetter, S Csonka, J Nygård, C Schönenberger
- Nature
- 2009

Non-locality is a fundamental property of quantum mechanics that manifests itself as correlations between spatially separated parts of a quantum system. A fundamental route for the exploration of such phenomena is the generation of Einstein-Podolsky-Rosen (EPR) pairs of quantum-entangled objects for the test of so-called Bell inequalities. Whereas such… (More)

- Sz Csonka, A Halbritter, +4 authors H van Kempen
- Physical review letters
- 2003

Interaction of the physically adsorbed molecular hydrogen with a breaking gold nanowire results in additional stable atomic configurations in few atom contacts and appearance of fractional peaks in the conductance histogram. This effect is explained by peculiar dynamic evolution of the hydrogen-embedded nanoconstriction due to competition between tensile… (More)

- A Halbritter, P Makk, Sz Mackowiak, Sz Csonka, M Wawrzyniak, J Martinek
- Physical review letters
- 2010

We present a novel statistical method for the study of stable atomic configurations in breaking nanowires based on the 2D cross-correlation analysis of conductance versus electrode separation traces. Applying this method, we can clearly resolve the typical evolutions of the conductance staircase in some transition metal nanojunctions (Ni, Fe, V) up to high… (More)

- L Hofstetter, S Csonka, +4 authors C Schönenberger
- Physical review letters
- 2011

In a device with a superconductor coupled to two parallel quantum dots (QDs) the electrical tunability of the QD levels can be used to exploit nonclassical current correlations due to the splitting of Cooper pairs. We experimentally investigate the effect of a finite potential difference across one quantum dot on the conductance through the other completely… (More)

- P Makk, D Visontai, +5 authors A Halbritter
- Physical review letters
- 2011

We demonstrate a self-contained methodology for predicting conductance histograms of atomic and molecular junctions. Fast classical molecular-dynamics simulations are combined with accurate density functional theory calculations predicting both quantum transport properties and molecular-dynamics force field parameters. The methodology is confronted with… (More)

- G Fülöp, S d'Hollosy, +4 authors S Csonka
- Nanotechnology
- 2016

Advanced synthesis of semiconductor nanowires (NWs) enables their application in diverse fields, notably in chemical and electrical sensing, photovoltaics, or quantum electronic devices. In particular, indium arsenide (InAs) NWs are an ideal platform for quantum devices, e.g. they may host topological Majorana states. While the synthesis has been… (More)

- S Csonka
- Orvosi hetilap
- 1968

- S Csonka
- Orvosi hetilap
- 1969