Could dark matter interactions be an alternative to dark energy?

被引：0
|
作者：
Basilakos, S. [1 ]
Plionis, M. [2 ]
机构：
[1] Research Center for Astronomy, Academy of Athens, 11527 Athens, Greece
[2] Institute of Astronomy and Astrophysics, National Observatory of Athens, Thessio 11810, Athens, Greece
来源：
Astronomy and Astrophysics | 2009年 / 507卷 / 01期
关键词：
We study the global dynamics of the universe within the framework of the interacting dark matter (IDM) scenario. Assuming that the dark matter obeys the collisional Boltzmann equation; we can derive analytical solutions of the global density evolution; that can accommodate an accelerated expansion; equivalent to either the quintessence or the standard models; with the present time located after the inflection point. This is possible if there is a disequilibrium between the DM particle creation and annihilation processes with the former process dominating; which creates an effective source term with negative pressure. Comparing the predicted Hubble expansion of one of the IDM models (the simplest) with observational data; we find that the effective annihilation term is quite small; as suggested by various experiments. © 2009 ESO;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Journal article (JA)
引用
收藏
页码：47 / 52
相关论文
共 50 条
  • [1] Could dark matter interactions be an alternative to dark energy?
    Basilakos, S.
    Plionis, M.
    ASTRONOMY & ASTROPHYSICS, 2009, 507 (01) : 47 - 52
  • [2] Dark matter with pressure as an alternative to dark energy
    Luongo, Orlando
    Muccino, Marco
    15TH MARCEL GROSSMANN MEETING, PT A, 2022, : 774 - 779
  • [3] Interacting Dark Matter as an Alternative to Dark Energy
    Basilakos, Spyros
    Plionis, Manolis
    INVISIBLE UNIVERSE INTERNATIONAL CONFERENCE, 2010, 1241 : 721 - 728
  • [4] Alternative unified views on dark matter and dark energy
    Mathews, Grant J.
    Ichiki, K.
    Kajino, T.
    Lan, N. Q.
    Zhao, X.
    MODERN PHYSICS LETTERS A, 2008, 23 (17-20) : 1372 - 1383
  • [5] Coincidences of dark energy with dark matter: Clues for a simple alternative?
    Zhao, HongSheng
    ASTROPHYSICAL JOURNAL LETTERS, 2007, 671 (01) : L1 - L4
  • [6] Dark Matter and Dark Energy Cosmologies and Alternative Theories of Gravitation
    Reddy, Dandala R. K.
    Odintsov, Sergei D.
    Harko, Tiberiu
    ADVANCES IN HIGH ENERGY PHYSICS, 2017, 2017
  • [7] Dark matter and dark energy or alternative theories of gravity and cosmology
    Zakharov, Alexander F.
    Pervushin, Victor N.
    De Paolis, Francesco
    Ingrosso, Gabriele
    Nucita, Achille A.
    RELATIVISTIC ASTROPHYSICS, 2008, 966 : 173 - +
  • [8] Dark matter and energy could be red herrings
    Tanner, Greg
    NEW SCIENTIST, 2023, 246 (3441) : 32 - 32
  • [9] Fractal perspective on dynamics of dark matter and dark energy interactions
    Priyanka, T. M. C.
    Gowrisankar, A.
    Banerjee, Santo
    NONLINEAR ANALYSIS-MODELLING AND CONTROL, 2024, 29 (04): : 625 - 640
  • [10] Shedding light on dark matter-dark energy interactions
    Lucca, Matteo
    Hooper, Deanna C.
    PHYSICAL REVIEW D, 2020, 102 (12)
12345