14 citations · 27 across the 3 of their papers we have counts for
5 papers
Estimation of the spatial decoherence time in circular quantum dots
Michael Genkin, Erik Waltersson, Eva Lindroth
We propose a simple phenomenological model to estimate the spatial decoherence time in quantum dots. The dissipative phase space dynamics is described in terms of the density matri…
Fundamental Gates for a Strongly Correlated Two-Electron Quantum Ring
Lene Sælen, Erik Waltersson, J. P. Hansen +1
We demonstrate that conditional as well as unconditional basic operations which are prerequisite for universal quantum gates can be performed with almost 100% fidelity within a str…
Controlled Operations in a Strongly Correlated Two-Electron Quantum Ring
Erik Waltersson, Eva Lindroth, Ingjald Pilskog +1
We have analyzed the electronic spectrum and wave function characteristics of a strongly correlated two-electron quantum ring with model parameters close to those observed in exper…
Many-Body perturbation theory calculations on circular quantum dots
Erik Waltersson, Eva Lindroth
The possibility to use perturbation theory to systematically improve calculations on circular quantum dots is investigated. A few different starting points, including Hartree-Fock,…
Performance of the coupled cluster singles and doubles method on two-dimensional quantum dots
Erik Waltersson, Eva Lindroth
An implementation of the coupled-cluster single- and double excitations (CCSD) method on two-dimensional quantum dots is presented. Advantages and limitations are studied through c…