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J. Carlson and M. White, Embedding Realistic Surveys in Simulations Through Volume Remapping
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2010
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2010
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2011
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M. Manera, R. Scoccimarro, W. J. Percival, L. Samushia, C. K. McBride, A. J. Ross, R. K. Sheth, M. White, B. A. Reid, A. G. Sánchez, R. de Putter, X. Xu, A. A. Berlind, J. Brinkmann, C. Maraston, B. Nichol, F. Montesano, N. Padmanabhan, R. A. Skibba, R. Tojeiro, and B. A. Weaver, The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: a large sample of mock galaxy catalogues
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2015

sCOLA: The N-body COLA Method Extended to the Spatial Domain

Tassev, Svetlin, Eisenstein, Daniel J., Wandelt, Benjamin D. et al.

Understand

We present sCOLA -- an extension of the N-body COmoving Lagrangian Acceleration (COLA) method to the spatial domain.

Similar to the original temporal-domain COLA, sCOLA is an N-body method for solving for large-scale structure in a frame that is comoving with observers following trajectories calculated in Lagrangian Perturbation Theory.
Incorporating the sCOLA method in an N-body code allows one to gain computational speed by capturing the gravitational potential from the far field using perturbative techniques, while letting the N-body code solve only for the near field.
The far and near fields are completely decoupled, effectively localizing gravity for the N-body side of the code.