118 citations · 417 across the 9 of their papers we have counts for
9 papers
Spin dependent electron transport through a magnetic resonant tunneling diode
Paula Havu, Noora Tuomisto, Riikka Vaananen +2
Electron transport properties in nanostructures can be modeled, for example, by using the semiclassical Wigner formalism or the quantum mechanical Green's functions formalism. We c…
Impurity effects in quantum dots: Towards quantitative modeling
E. Rasanen, J. Konemann, R. J. Haug +2
We have studied the single-electron transport spectrum of a quantum dot in GaAs/AlGaAs resonant tunneling device. The measured spectrum has irregularities indicating a broken circu…
Rectangular quantum dots in high magnetic fields
E. Räsänen, A. Harju, M. J. Puska +1
We use density-functional methods to study the effects of an external magnetic field on two-dimensional quantum dots with a rectangular hard-wall confining potential. The increasin…
Broken Symmetry in Density-Functional Theory: Analysis and Cure
A. Harju, E. Rasanen, H. Saarikoski +3
We present a detailed analysis of the broken-symmetry mean-field solutions using a four-electron rectangular quantum dot as a model system. Comparisons of the density-functional th…
Electronic structure of rectangular quantum dots
E. Räsänen, H. Saarikoski, V. N. Stavrou +3
We study the ground state properties of rectangular quantum dots by using the spin-density-functional theory and quantum Monte Carlo methods. The dot geometry is determined by an i…
Testing of two-dimensional local approximations in the current-spin and spin-density-functional theories
H. Saarikoski, E. Räsänen, S. Siljamäki +3
We study a model quantum dot system in an external magnetic field by using both the spin-density-functional theory and the current-spin-density-functional theory. The theories are…