T. Chwiej

Relative stability of negative and positive trions in model symmetric quantum wires

Binding energies of negative (

Few-electron artificial molecules formed by laterally coupled quantum rings

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Pinning of electron densities in quantum rings by defects: Symmetry constraints and distribution of persistent currents

) and positive trions (

Artificial molecules in coupled and single quantum dots

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Selective suppression of Dresselhaus or Rashba spin-orbit coupling effects by the Zeeman interaction in quantum dots

) in quantum wires are studied for strong quantum confinement of carriers which results in a numerical exactly solvable model. The relative electron and hole localization has a strong effect on the stability of trions. For equal hole and electron confinement,

Effective interaction for charge carriers confined in quasi-one-dimensional nanostructures

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Schrödinger-Poisson calculations for scanning gate microscopy of quantum rings based on etched two-dimensional electron gas

is more stable but a small imbalance of the particle localization towards a stronger hole localization e.g. due to its larger effective mass, leads to the interchange of

Effect of Coulomb correlation on electron transport through a concentric quantum ring–quantum dot structure

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Broken one-particle symmetry in few-electron coupled quantum dots

and

Stability of Charged Exciton States in Quantum Wires

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