399 citations · 491 across the 6 of their papers we have counts for
6 papers
Cosmological N-Body simulation: Techniques, Scope and Status
J. S. Bagla
Cosmological N-Body simulations have become an essential tool for studying formation of large scale structure. These simulations are computationally challenging even though the ava…
Comments on the size of the simulation box in cosmological N-Body simulations
J. S. Bagla, Suryadeep Ray
N-Body simulations are a very important tool in the study of formation of large scale structures. Much of the progress in understanding the physics of high redshift universe and co…
Gravitational Collapse in an Expanding Universe: Scaling Relations for Two-Dimensional Collapse Revisited
S. Ray, J. S. Bagla, T. Padmanabhan
We investigate non-linear scaling relations for two-dimensional gravitational collapse in an expanding background using a 2D TreePM code and study the strongly non-linear regime ($…
Gravitational collapse in an expanding background and the role of substructure I: Planar collapse
J. S. Bagla, Jayanti Prasad, Suryadeep Ray
We study the interplay of clumping at small scales with the collapse and relaxation of perturbations at much larger scales. We present results of our analysis when the large scale…
A Parallel TreePM Code
Suryadeep Ray, J. S. Bagla
We present an algorithm for parallelising the TreePM code. We use both functional and domain decompositions. Functional decomposition is used to separate the computation of long ra…
WMAP constraints on low redshift evolution of dark energy
H. K. Jassal, J. S. Bagla, T. Padmanabhan
The conceptual difficulties associated with a cosmological constant have led to the investigation of alternative models in which the equation of state parameter, , of the da…