64 citations · 276 across the 16 of their papers we have counts for
16 papers
On the applicability of -distributions
Klaus Scherer, Horst Fichtner, Hans-Jörg Fahr +1
The standard (non-relativistic) -distribution is widely used to fit data and to describe macroscopic thermodynamical behavior, e.g.\ the pressure (temperature) as the second mom…
Concerning pressure and entropy of shock-accelerated heliosheath electrons
Hans J. Fahr, Robindro Dutta-Roy
We study the behaviour of shocked wind-electrons leaving wind-driving stars after undergoing the outer wind termination shock. As an example, we describe the evolution of the keV-e…
On the entropy of plasmas described with regularized -distributions
H. Fichtner, K. Scherer, M. Lazar +2
In classical thermodynamics the entropy is an extensive quantity, i.e.\ the sum of the entropies of two subsystems in equilibrium with each other is equal to the entropy of the ful…
Uncertainties in the heliosheath ion temperatures
Klaus Scherer, Hans Jörg Fahr, Horst Fichtner +3
The Voyager plasma observations show that the physics of the heliosheath is rather complex, and especially that the temperature derived from observation differs from expectations.…
Cosmic vacuum energy decay and creation of cosmic matter
H. J. Fahr, M. Heyl
In the more recent literature on cosmological evolutions of the universe the cosmic vacuum energy has become a non-renouncable ingredient. The cosmological constant , first inve…
Generalized multi-polytropic Rankine-Hugoniot relations and the entropy condition
Klaus Scherer, Horst Fichtner, Hans Jörg Fahr +2
The study aims at a derivation of generalized \RH relations, especially that for the entropy, for the case of different upstream/downstream polytropic indices and their implication…