Dark matter halo dynamics in 2D Vlasov Simulations: a self-similar approach

Authors: Parichha, Abineet, Colombi, Stephane, Saga, Shohei, Taruya, Atsushi

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/2501.07001

The gravitational force field of proto-pancakes

Authors: Saga, Shohei, Colombi, Stéphane, Taruya, Atsushi

Source: A&A 678, A168 (2023)

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics, General Relativity and Quantum Cosmology

Access URL: http://arxiv.org/abs/2305.13354

Fast and accurate collapse-time predictions for collisionless matter

Authors: Rampf, Cornelius, Saga, Shohei, Taruya, Atsushi, Colombi, Stéphane

Source: Phys.Rev.D 108 (2023) 10, 103513

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics, General Relativity and Quantum Cosmology

Access URL: http://arxiv.org/abs/2303.12832

Cold dark matter protohalo structure around collapse: Lagrangian cosmological perturbation theory versus Vlasov simulations

Authors: Saga, Shohei, Taruya, Atsushi, Colombi, Stéphane

Source: A&A 664, A3 (2022)

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics, General Relativity and Quantum Cosmology

Access URL: http://arxiv.org/abs/2111.08836

Phase-space structure of protohalos: Vlasov versus Particle-Mesh

Authors: Colombi, Stéphane

Source: A&A 647, A66 (2021)

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/2012.04409

Power spectrum response of large-scale structure in 1D and in 3D: tests of prescriptions for post-collapse dynamics

Authors: Halle, Anaëlle, Nishimichi, Takahiro, Taruya, Atsushi, Colombi, Stéphane, Bernardeau, Francis

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/2001.10417

UV Background Fluctuations and Three-Point Correlations in the Large Scale Clustering of the Lyman-alpha Forest

Authors: Tie, Suk Sien, Weinberg, David H., Martini, Paul, Zhu, Wei, Peirani, Sebastien, Suarez, Teresita, Colombi, Stephane

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/1905.02208

Lagrangian cosmological perturbation theory at shell-crossing

Authors: Saga, Shohei, Taruya, Atsushi, Colombi, Stéphane

Source: Phys. Rev. Lett. 121, 241302 (2018)

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/1805.08787

Post-collapse perturbation theory in 1D cosmology -- beyond shell-crossing

Authors: Taruya, Atsushi, Colombi, Stéphane

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/1701.09088

Phase-space structure analysis of self-gravitating collisionless spherical systems

Authors: Halle, Anaelle, Colombi, Stephane, Peirani, Sebastien

Source: A&A 621, A8 (2019)

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/1701.01384

Modeling Lyman-\alpha\ Forest Cross-Correlations with LyMAS

Authors: Lochhaas, Cassandra, Weinberg, David H., Peirani, Sébastien, Dubois, Yohan, Colombi, Stéphane, Blaizot, Jérémy, Font-Ribera, Andreu, Pichon, Christophe, Devriendt, Julien

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/1511.04454

ColDICE: a parallel Vlasov-Poisson solver using moving adaptive simplicial tessellation

Authors: Sousbie, Thierry, Colombi, Stéphane

Subject Terms: Physics - Computational Physics, Astrophysics - Cosmology and Nongalactic Astrophysics, Computer Science - Computational Geometry, Physics - Fluid Dynamics

Access URL: http://arxiv.org/abs/1509.07720

Vlasov-Poisson in 1D for initially cold systems: post-collapse Lagrangian perturbation theory

Authors: Colombi, Stephane

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/1411.4165

Vlasov-Poisson in 1D: waterbags

Authors: Colombi, Stéphane, Touma, Jihad

Subject Terms: Astrophysics - Astrophysics of Galaxies, Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/1404.5175

Dancing in the dark: galactic properties trace spin swings along the cosmic web

Authors: Dubois, Yohan, Pichon, Christophe, Welker, Charlotte, Borgne, Damien Le, Devriendt, Julien, Laigle, Clotilde, Codis, Sandrine, Pogosyan, Dmitry, Arnouts, Stéphane, Benabed, Karim, Bertin, Emmanuel, Blaizot, Jeremy, Bouchet, François, Cardoso, Jean-François, Colombi, Stéphane, de Lapparent, Valérie, Desjacques, Vincent, Gavazzi, Raphaël, Kassin, Susan, Kimm, Taysun, McCracken, Henry, Milliard, Bruno, Peirani, Sébastien, Prunet, Simon, Rouberol, Stéphane, Silk, Joseph, Slyz, Adrianne, Sousbie, Thierry, Teyssier, Romain, Tresse, Laurence, Treyer, Marie, Vibert, Didier, Volonteri, Marta

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/1402.1165

LyMAS: Predicting Large-Scale Lyman-alpha Forest Statistics from the Dark Matter Density Field

Authors: Peirani, Sébastien, Weinberg, David H., Colombi, Stéphane, Blaizot, Jérémy, Dubois, Yohan, Pichon, Christophe

Subject Terms: Astrophysics - Cosmology and Extragalactic Astrophysics

Access URL: http://arxiv.org/abs/1306.1533

Non Gaussianity and Minkowski Functionals: forecasts for Planck

Authors: Ducout, Anne, Bouchet, François, Colombi, Stéphane, Pogosyan, Dmitri, Prunet, Simon

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/1209.1223

Haloes gone MAD: The Halo-Finder Comparison Project

Authors: Knebe, Alexander, Knollmann, Steffen R., Muldrew, Stuart I., Pearce, Frazer R., Aragon-Calvo, Miguel Angel, Ascasibar, Yago, Behroozi, Peter S., Ceverino, Daniel, Colombi, Stephane, Diemand, Juerg, Dolag, Klaus, Falck, Bridget L., Fasel, Patricia, Gardner, Jeff, Gottloeber, Stefan, Hsu, Chung-Hsing, Iannuzzi, Francesca, Klypin, Anatoly, Lukic, Zarija, Maciejewski, Michal, McBride, Cameron, Neyrinck, Mark C., Planelles, Susana, Potter, Doug, Quilis, Vicent, Rasera, Yann, Read, Justin I., Ricker, Paul M., Roy, Fabrice, Springel, Volker, Stadel, Joachim, Stinson, Greg, Sutter, P. M., Turchaninov, Victor, Tweed, Dylan, Yepes, Gustavo, Zemp, Marcel

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/1104.0949

Most massive halos with Gumbel Statistics

Authors: Davis, Olaf, Devriendt, Julien, Colombi, Stéphane, Silk, Joe, Pichon, Christophe

Subject Terms: Astrophysics - Cosmology and Nongalactic Astrophysics

Access URL: http://arxiv.org/abs/1101.2896

Cell Count Moments in the Halo Model

Authors: Fry, J. N., Colombi, Stephane, Fosalba, Pablo, Balaraman, Anand, Szapudi, Istvan, Teyssier, Romain

Source: MNRAS 415, 153-167 (2011)

Subject Terms: Astrophysics - Cosmology and Extragalactic Astrophysics

Access URL: http://arxiv.org/abs/1007.4667