46 citations · 53 across the 7 of their papers we have counts for
7 papers
Imaging with Scattered Neutrons
H. Ballhausen, H. Abele, R. Gaehler +2
We describe a novel experimental technique for neutron imaging with scattered neutrons. These scattered neutrons are of interest for condensed matter physics, because they permit t…
Neutron Radiography Analysis of a Transient Liquid Phase Joint
H. Ballhausen, H. Abele, R. S. Eccleston +4
Neutron radiography in many cases is the only non-destructive technique available for the analysis of a wide range of samples from metallurgy, materials engineering and materials t…
Critical Exponents from Dimensional Variation
H. Ballhausen
Recent work on exact renormalization group flow equations has pointed out the possibility to study critical phenomena in continuous dimension D of space. In an investigation of the…
Critical Phenomena in Continuous Dimension
H. Ballhausen, J. Berges, C. Wetterich
We present a calculation of critical phenomena directly in continuous dimension d employing an exact renormalization group equation for the effective average action. For an Ising-t…
Direct Calculation of the Critical Effective Potential
H. Ballhausen
The critical effective potential is the nonperturbative part of the effective action at a phase transition. It equals the scale invariant effective average potential and can be cal…
Fair Solution to the Reader-Writer-Problem with Semaphores only
H. Ballhausen
The reader-writer-problem is a standard problem in concurrent programming. A resource is shared by several processes which need either inclusive reading or exclusive writing access…