Physics – Condensed Matter – Other Condensed Matter
Scientific paper
2010-04-28
Phys. Scr. 82 (2010) 038104
Physics
Condensed Matter
Other Condensed Matter
Presented in the Workshop on Quantum Nonstationary Systems (Brasilia- 2009)
Scientific paper
10.1088/0031-8949/82/03/038104
Resonance states of a two-electron quantum dot are studied using a variational expansion with both real basis-set functions and complex scaling methods. We present numerical evidence about the critical behavior of the density of states in the region where there are resonances. The critical behavior is signaled by a strong dependence of some features of the density of states with the basis-set size used to calculate it. The resonance energy and lifetime are obtained using the scaling properties of the density of states
Osenda Omar
Pont Federico M.
Serra Pablo
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