Non-power law behavior of the radial profile of phase-space density of halos

Journal of Cosmology and Astroparticle Physics

Volumn 2011, Issue 7, 2011, Pages

  Del Popolo, A ^a  

^a UNIVERSITY OF CATANIA   (Italy)

Author keywords

galaxy evolution; galaxy formation

Indexed keywords

EID: 79961222604     PISSN: None     EISSN: 14757516     Source Type: Journal    
DOI: 10.1088/1475-7516/2011/07/014     Document Type: Article

References (81)

1. I. Arad, A. Dekel and A. Klypin, 2004 Phase-space structure of dark-matter haloes: scale-invariant PDF driven by substructure, Mon. Not. Roy. Astron. Soc. 353 15 [astro-ph/0403135]
2. Y. Ascasibar, G. Yepes, S. Gottlober and V. Muller, 2004 On the physical origin of dark matter density profiles, Mon. Not. Roy. Astron. Soc. 352 1109 [astro-ph/0312221]
3. Y. Ascasibar and S. Gottlöber, 2008 The dynamical structure of dark matter haloes, Mon. Not. Roy. Astron. Soc. 386 2022 [arXiv:08024348]
4. C.G. Austin, L.L.R. Williams, E.I. Barnes, A. Babul and J.J. Dalcanton, 2005 Semi-analytical dark matter halos and the Jeans equation, Astrophys. J. 634 756 [astro-ph/0506571]
5. V. Avila-Reese, C. Firmani and X. Hernandez, 1998 On formation and evolution of disk galaxies: cosmological initial conditions and the gravitational collapse, Astrophys. J. 505 37 [astro-ph/9710201]
6. J.M. Bardeen, J.R. Bond, N. Kaiser and A.S. Szalay, 1986 The statistics of peaks of Gaussian random fields, Astrophys. J. 304 15
7. E.I. Barnes, L.L.R. Williams, A. Babul and J.J. Dalcanton, 2006 Density profiles of collisionless equilibria. I. Spherical isotropic systems, Astrophys. J. 643 797 [astro-ph/0510332]
8. G.R. Blumenthal, S.M. Faber, R. Flores and J.R. Primack, 1986 Contraction of dark matter galactic halos due to baryonic infall, Astrophys. J. 301 27
9. R.-Y. Chen, F. Dong, P. Bode and J.P. Ostriker, Properties of cold dark matter halos at z > 6, [astro-ph/0403352]
10. W. Dehnen, 2005 Phase-space mixing and the merging of cusps, Mon. Not. Roy. Astron. Soc. 360 892 [astro-ph/0504246]
11. A. Dekel, I. Arad, J. Devor and Y. Birnboim, 2003 Dark-halo cusp: asymptotic convergence, Astrophys. J. 588 680 [astro-ph/0205448]
12. A. Del Popolo, 2009 The cusp/core problem and the secondary infall model, Astrophys. J. 698 2093 [arXiv:09064447]
13. A. El-Zant, Y. Hoffman, J. Primack, F. Combes and I. Shlosman, 2004 Flat-cored dark matter in cuspy clusters of galaxies, Astrophys. J. 607 75 [astro-ph/0309412]
14. A. El-Zant, I. Shlosman and Y. Hoffman, 2001 Dark halos: the flattening of the density cusp by dynamical friction, Astrophys. J. 560 636 [astro-ph/0103386]
15. J.A. Fillmore and P. Goldreich, 1984 Self-similiar gravitational collapse in an expanding universe, Astrophys. J. 281 1
16. T. Fukushige and J. Makino, 2001 Structure of dark matter halos from hierarchical clustering, Astrophys. J. 557 533 [astro-ph/0008104]
17. T. Fukushige, A. Kawai and J. Makino, 2004 Structure of dark matter halos from hierarchical clustering. III. Shallowing of the inner cusp, Astrophys. J. 606 625 [astro-ph/0306203]
18. L. Gao et al., 2008 The redshift dependence of the structure of massive Λ cold dark matter haloes, Mon. Not. Roy. Astron. Soc. 387 536
19. S. Ghigna et al., 2000 Density profiles and substructure of dark matter halos: converging results at ultra-high numerical resolution, Astrophys. J. 544 616 [astro-ph/9910166]
20. O.Y. Gnedin, A.V. Kravtsov, A.A. Klypin and D. Nagai, 2004 Response of dark matter halos to condensation of baryons: cosmological simulations and improved adiabatic contraction model, Astrophys. J. 616 16 [astro-ph/0406247]
21. F. Governato et al., 2010 Bulgeless dwarf galaxies and dark matter cores from supernova-driven outflows, Nature 463 203
22. 3, Astron. J. 132 2701 [astro-ph/0608613]
23. J.E. Gunn and J.R. Gott, III, 1972 On the infall of matter into cluster of galaxies and some effects on their evolution, Astrophys. J. 176 1
24. J.E. Gunn, 1977 Massive galactic halos. I - formation and evolution, Astrophys. J. 218 592
25. S.H. Hansen, 2004 Dark matter density profiles from the Jeans equation, Mon. Not. Roy. Astron. Soc. 352 L41 [astro-ph/0405371]
26. S.H. Hansen and B. Moore, 2006 A universal density slope-velocity anisotropy relation for relaxed structures, New Astron. 11 333 [astro-ph/0411473]
27. E. Hayashi et al., 2004 The inner structure of LCDM halos II: halo mass profiles and LSB rotation curves, Mon. Not. Roy. Astron. Soc. 355 794 [astro-ph/0310576]
28. R.N. Henriksen, 2007 Relaxed dark matter halos, Astrophys. J. 671 1147 [arXiv:07090434]
29. N. Hiotelis, 2002 Density profiles in a spherical infall model with non-radial motions, Astron. Astrophys. 382 84 [astro-ph/0111324]
30. Y. Hoffman, E. Romano-Diaz, I. Shlosman and C. Heller, 2007 Evolution of the phase-space density in dark matter halos, Astrophys. J. 671 1108 [arXiv:07060006]
31. Y. Hoffman and J. Shaham, 1985 Local denisty maxima: progenitors of structure, Astrophys. J. 297 16
32. O. Host and S.H. Hansen, A detailed statistical analysis of the mass profiles of galaxy clusters, [arXiv:09071097]
33. A. Huss, B. Jain and M. Steinmetz, 1999 How universal are the density profiles of dark halos?, Astrophys. J. 517 64 [astro-ph/9803117]
34. A. Huss, B. Jain and M. Steinmetz, 1999 The formation and evolution of clusters of galaxies in different cosmogonies, Mon. Not. Roy. Astron. Soc. 308 1011
35. Y.P. Jing and Y. Suto, 2000 Density profiles of dark matter halo are not universal, Astrophys. J. 529 L69 [astro-ph/9909478]
36. S. Kazantzidis, A.R. Zentner and A.V. Kravtsov, 2006 The robustness of dark matter density profiles in dissipationless mergers, Astrophys. J. 641 647 [astro-ph/0510583]
37. A. Klypin, A.V. Kravtsov, J. Bullock and J. Primack, 2001 Resolving the structure of cold dark matter halos, Astrophys. J. 554 903 [astro-ph/0006343]
38. A. Klypin, H. Zhao and R.S. Somerville, 2002 LCDM-based models for the Milky Way and M31 I: dynamical models, Astrophys. J. 573 597 [astro-ph/0110390]
39. S.R. Knollmann, A. Knebe and Y. Hoffman, 2008 Phase-space density profiles in scale-free cosmologies, Mon. Not. Roy. Astron. Soc. 391 559 [arXiv:08091439]
40. E.L. Lokas and Y. Hoffman, 2001 Formation of cuspy density profiles: a generic feature of collisionless gravitational collapse, Astrophys. J. 542 L139 [astro-ph/0005566]
41. A.D. Ludlow et al., The density and pseudo-phase-space density profiles of CDM halos, [arXiv:11020002]
42. C.-P. Ma, P. Chang and J. Zhang, Is the radial profile of the phase-space density of dark matter halos a power-law?, [arXiv:09073144]
43. M. Maciejewski, S. Colombi, C. Alard, F. Bouchet and C. Pichon, 2009 Phase-space structures I: a comparison of 6 D density estimators, Mon. Not. Roy. Astron. Soc. 393 703 [arXiv:08100504]
44. D. Merritt, J.F. Navarro, A. Ludlow and A. Jenkins, 2005 A universal density profile for dark and luminous matter?, Astrophys. J. 624 L85 [astro-ph/0502515]
45. A.W. Graham, D. Merritt, B. Moore, J. Diemand and B. Terzic, 2006 Empirical models for dark matter halos. I. Nonparametric construction of density profiles and comparison with parametric models, Astron. J. 132 2685 [astro-ph/0509417]
46. B. Moore, F. Governato, T.R. Quinn, J. Stadel and G. Lake, 1998 Resolving the Structure of Cold Dark Matter Halos, Astrophys. J. 499 L5 [astro-ph/9709051]
47. B. Moore, T.R. Quinn, F. Governato, J. Stadel and G. Lake, 1999 Cold collapse and the core catastrophe, Mon. Not. Roy. Astron. Soc. 310 1147 [astro-ph/9903164]
48. J.F. Navarro, C.S. Frenk and S.D.M. White, 1996 The structure of cold dark matter halos, Astrophys. J. 462 563 [astro-ph/9508025]
49. J.F. Navarro, C.S. Frenk and S.D.M. White, 1997 A universal density profile from hierarchical clustering, Astrophys. J. 490 493 [astro-ph/9611107]
50. J.F. Navarro et al., 2004 The inner structure of ΛCDM halos III: universality and asymptotic slopes, Mon. Not. Roy. Astron. Soc. 349 1039 [astro-ph/0311231]
51. J.F. Navarro et al., 2010 The diversity and similarity of simulated cold dark matter haloes, Mon. Not. Roy. Astron. Soc. 402 21
52. A. Nusser, 2001 Self-similar spherical collapse with non-radial motions, Mon. Not. Roy. Astron. Soc. 325 1397 [astro-ph/0008217]
53. A. Nusser and R.K. Sheth, 1999 Mass growth and density profiles of dark matter haloes in hierarchical clustering, Mon. Not. Roy. Astron. Soc. 303 685
54. P.J.E. Peebles, 1980 The large scale structure of the universe, Priceton University Press, Princeton U.S.A.
55. C. Power et al., 2003 The inner structure of ΛCDM halos I: a numerical convergence study, Mon. Not. Roy. Astron. Soc. 338 14 [astro-ph/0201544]
56. E. Rasia, G. Tormen and L. Moscardini, 2004 A dynamical model for the distribution of dark matter and gas in galaxy clusters, Mon. Not. Roy. Astron. Soc. 351 237 [astro-ph/0309405]
57. M. Ricotti, 2003 Dependence of the inner DM profile on the halo mass, Mon. Not. Roy. Astron. Soc. 344 1237 [astro-ph/0212146]
58. M. Ricotti, A. Pontzen and M. Viel, 2007 Is the concentration of dark matter halos at virialization universal?, Astrophys. J. 663 53 [arXiv:07060856]
59. M. Ricotti and M.I. Wilkinson, 2004 On the origin of dark matter cores in dwarf galaxies, Mon. Not. Roy. Astron. Soc. 353 867 [astro-ph/0406297]
60. E. Romano-Diaz, I. Shlosman, Y. Hoffman and C. Heller, Erasing dark matter cusps in cosmological galactic halos with baryons, [arXiv:08080195]
61. B.S. Ryden and J.E. Gunn, 1987 Galaxy formation by gravitational collapse, Astrophys. J. 318 15
62. B.S. Ryden, 1988 Galaxy formation - the role of tidal torques and dissipational infall, Astrophys. J. 329 589
63. B.S. Ryden, 1988 The collapse of density peaks in a Gaussian random field, Astrophys. J. 333 78
64. E. Salvador-Solé, A. Manrique, G. Gonzlez-Casado and S.H. Hansen, 2007 The nature of dark matter and the density profile and central behavior of relaxed halos, Astrophys. J. 666 181
65. K.B. Schmidt, S.H. Hansen and A.V. Maccio', 2008 Alas, the dark matter structures were not that trivial, Astrophys. J. 689 L33 [arXiv:08103655]
66. S. Sharma and M. Steinmetz, 2006 Multi-dimensional density estimation and phase space structure of dark matter halos, Mon. Not. Roy. Astron. Soc. 373 1293 [astro-ph/0507550]
67. J.D. Simon, A.D. Bolatto, A. Leroy and L. Blitz, Dark matter in dwarf galaxies: latest density profile results, to appear in the Proceedings of the conference "Satellites and Tidal Streams", La Palma Spain May 26-30 2003, F. Prada, D. Martinez-Delgado and T. Mahoney eds. [astro-ph/0310193]
68. J.D. Simon, A.D. Bolatto, A. Leroy and L. Blitz, 2003 High-resolution measurements of the dark matter halo of NGC 2976: evidence for a shallow density profile, Astrophys. J. 596 957 [astro-ph/0307154]
69. J.D. Simon, A.D. Bolatto, A. Leroy, L. Blitz and E.L. Gates, 2005 High-resolution measurements of the halos of four dark matter-dominated galaxies: deviations from a universal density profile, Astrophys. J. 621 757 [astro-ph/0412035]
70. J. Stadel et al., 2009 Quantifying the heart of darkness with GHALO - a multi-billion particle simulation of our galactic halo, Mon. Not. Roy. Astron. Soc. 398 21 [arXiv:08082981]
71. K. Subramanian, R. Cen and J.P. Ostriker, 2000 The structure of dark matter halos in hierarchical clustering theories, Astrophys. J. 538 528 [astro-ph/9909279]
72. D. Syer and S.D.M. White, 1998 Dark halo mergers and the formation of a universal profile, Mon. Not. Roy. Astron. Soc. 293 337 [astro-ph/9611065]
73. J.E. Taylor and J.F. Navarro, 2001 The phase-space density profiles of cold dark matter halos, Astrophys. J. 563 483 [astro-ph/0104002]
74. C. Tonini and A. Lapi, 2006 Angular momentum transfer in dark matter halos: erasing the cusp, Astrophys. J. 649 591 [astro-ph/0603051]
75. I.M. Vass, S. Kazantzidis, M. Valluri and A.V. Kravtsov, 2009 Evolution of dark matter phase-space density distributions in equal-mass halo mergers, Astrophys. J. 698 1813 [arXiv:08123659]
76. I.M. Vass, S. Kazantzidis, M. Valluri and A.V. Kravtsov, 2009 Evolution of dark matter phase-space density distributions in equal-mass halo mergers, Astrophys. J. 698 1813 [arXiv:08123659]
77. I. Vass, M. Valluri, A. Kravtsov and S. Kazantzidis, 2009 Evolution of the dark matter phase-space density distributions of LCDM halos, Mon. Not. Roy. Astron. Soc. 395 1225 [arXiv:08100277]
78. J. Wang and S.D.M. White, 2009 Are mergers responsible for universal halo properties?, Mon. Not. Roy. Astron. Soc. 396 709
79. S.D.M. White and D. Zaritsky, 1992 Models for galaxy halos in an open universe, Astrophys. J. 394 1
80. L.L.R. Williams, A. Babul and J.J. Dalcanton, 2004 Investigating the origins of dark matter halo density profiles, Astrophys. J. 604 18 [astro-ph/0312002]
81. S. Zaroubi and Y. Hoffman, 1993 Gravitational collapse in an expanding universe: asymptotic self-similar solutions, Astrophys. J. 416 410