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58 papers · 1 filter
Asymptotic expansion of the wobbling kink
O F Oxtoby, I V Barashenkov
The method of multiple scales is used to study the wobbling kink of the equation. The amplitude of the wobbling is shown to decay very slowly, as , and hence the wo…
A photometric study of the southern Blazhko star SS For Unambiguous detection of quintuplet components
Katrien Kolenberg, Elisabeth Guggenberger, Thebe Medupe +6
We present our analysis of photometric data in the Johnson B and V filter of the southern Blazhko star SS For. In parallel, we analyzed the V observations obtained with the ASAS-3…
A characteristic signature of fourth order gravity
Kishore N. Ananda, Sante Carloni, Peter K. S. Dunsby
We present for the first time the complete matter power spectrum for gravity which has been derived from the fourth order scalar perturbation equations. This leads to the dis…
AGB Stars in the Fornax Dwarf Spheroidal Galaxy
Patricia A. Whitelock, John W. Menzies, Michael W. Feast +3
We report on a multi-epoch study of the Fornax dwarf spheroidal galaxy, made with the Infrared Survey Facility, over an area of about 42'x42'. The colour-magnitude diagram shows a…
Zeros of linear combinations of Laguerre polynomials from different sequences
K Driver, K Jordaan
We study interlacing properties of the zeros of two types of linear combinations of Laguerre polynomials with different parameters, namely and $S_n=L_n^α+bL…
Shear viscosity and out of equilibrium dynamics
Andrej El, Zhe Xu, Carsten Greiner +1
Using Grad's method, we calculate the entropy production and derive a formula for the second-order shear viscosity coefficient in a one-dimensionally expanding particle system, whi…