290 citations · 1k across the 12 of their papers we have counts for
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Charged black points in General Relativity coupled to the logarithmic gauge theory
Harald H. Soleng
The exact solution for a static spherically symmetric field outside a charged point particle is found in a non-linear gauge theory with a logarithmic Lagrangian. The electro…
Experimental limits to the density of dark matter in the solar system
Øyvind Grøn, Harald H. Soleng
On the scales of galaxies and beyond there is evidence for unseen dark matter. In this paper we find the experimental limits to the density of dark matter bound in the solar system…
Time machines: the Principle of Self-Consistency as a consequence of the Principle of Minimal Action
A. Carlini, V. P. Frolov, M. B. Mensky +2
We consider the action principle to derive the classical, non-relativistic motion of a self-interacting particle in a 4-D Lorentzian spacetime containing a wormhole and which allow…
CARTAN: A Mathematica package for tensor computations
Harald H. Soleng
CARTAN is an easy-to-use symbolic, tensor component package based on the popular Mathematica program. CARTAN makes use of the powerful formalism of rigid frames, and can return res…