138 citations · 634 across the 34 of their papers we have counts for
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quant-ph2014★ 12 cited
Hydrogen atom in space with a compactified extra dimension and potential defined by Gauss' law
Martin Bureš, Petr Siegl
We investigate the consequences of one extra spatial dimension for the stability and energy spectrum of the non-relativistic hydrogen atom with a potential defined by Gauss' law, i…
math.SP2014★ 21 cited
Remarks on the convergence of pseudospectra
Sabine Bögli, Petr Siegl
We establish the convergence of pseudospectra in Hausdorff distance for closed operators acting in different Hilbert spaces and converging in the generalised norm resolvent sense.…
math.SP2014★ 138 cited
Pseudospectra in non-Hermitian quantum mechanics
D. Krejcirik, P. Siegl, M. Tater +1
We propose giving the mathematical concept of the pseudospectrum a central role in quantum mechanics with non-Hermitian operators. We relate pseudospectral properties to quasi-Herm…