249 citations · 2k across the 68 of their papers we have counts for
6 papers · 1 filter
Kaluza-Klein towers on orbifolds: divergences and anomalies
S. Groot Nibbelink
The ultra-violet behavior of Kaluza-Klein theories on a one dimensional orbifold is discussed. An extension of dimensional regularization that can be applied to a compact dimension…
Inflationary perturbations with multiple scalar fields
B. J. W. van Tent, S. Groot Nibbelink
The calculation of scalar gravitational and matter perturbations during multiple-field inflation valid to first order in slow roll is discussed. These fields may be the coordinates…
Gauge corrections and FI-term in 5D KK theories
D. M. Ghilencea, S. Groot Nibbelink, H. P. Nilles
In the context of a five dimensional N=1 Kaluza Klein model compactified on S_1/Z_2 x Z_2' we compute the one-loop gauge corrections to the self energy of the (zero-mode) scalar fi…
Dimensional regularization of a compact dimension
S. Groot Nibbelink
An extension of dimensional regularization to the case of compact dimensions is presented. The procedure preserves the Kaluza-Klein tower structure, but has a regulator specific to…
Scalar perturbations during multiple-field slow-roll inflation
S. Groot Nibbelink, B. J. W. van Tent
We calculate the scalar gravitational and matter perturbations in the context of slow-roll inflation with multiple scalar fields, that take values on a (curved) manifold, to first…
Superhydrodynamics
T. S. Nyawelo, J. W. van Holten, S. Groot Nibbelink
We present a covariant and supersymmetric theory of relativistic hydrodynamics in four-dimensional Minkowski space.