Homogeneous spherically symmetric bodies with a non-minimal coupling between curvature and matter: the choice of the Lagrangian density for matter

被引:7
作者
Bertolami, Orfeu [1 ]
Paramos, Jorge [1 ]
机构
[1] Univ Porto, Ctr Fis Porto, Fac Ciencias, Dept Fis & Astron, P-4169007 Oporto, Portugal
关键词
Nonminimal coupling; Lagrangian density; Interior solution; F(R) THEORIES; GRAVITY;
D O I
10.1007/s10714-014-1835-7
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
In this work we study how a non-minimal coupling between matter and gravity can modify the structure of a homogeneous spherical body. The physical relevance of the adopted Lagrangian density is ascertained, with results obtained for two different choices of the latter.
引用
收藏
页数:17
相关论文
共 43 条
  • [1] Relativistic Fluid Dynamics: Physics for Many Different Scales
    Andersson, Nils
    Comer, Gregory L.
    [J]. LIVING REVIEWS IN RELATIVITY, 2007, 10 (1)
  • [2] A no-go theorem for polytropic spheres in Palatini f(R) gravity
    Barausse, Enrico
    Sotiriou, Thomas P.
    Miller, John C.
    [J]. CLASSICAL AND QUANTUM GRAVITY, 2008, 25 (06)
  • [3] Do f(R) theories matter?
    Bertolami, O.
    Paramos, J.
    [J]. PHYSICAL REVIEW D, 2008, 77 (08):
  • [4] The Layzer-Irvine equation in theories with non-minimal coupling between matter and curvature
    Bertolami, O.
    Gomes, C.
    [J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2014, (09):
  • [5] Accelerated expansion from a nonminimal gravitational coupling to matter
    Bertolami, O.
    Frazao, P.
    Paramos, J.
    [J]. PHYSICAL REVIEW D, 2010, 81 (10)
  • [6] Mimicking dark matter through a non-minimal gravitational coupling with matter
    Bertolami, O.
    Paramos, J.
    [J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2010, (03):
  • [7] Bertolami O., GRQC14078101
  • [8] Bertolami O., 2014, J PHYS REV, V89
  • [9] Bertolami O., 2014, Handbook of Spacetime
  • [10] Extra force in f(R) modified theories of gravity
    Bertolami, Orfeu
    Bohmer, Christian G.
    Harko, Tiberiu
    Lobo, Francisco S. N.
    [J]. PHYSICAL REVIEW D, 2007, 75 (10):