Reconstructing $f(R,T)$ gravity from holographic dark energy

Houndjo, M.J.S.; Piattella, Oliver F.

doi:10.1142/S0218271812500241

Reconstructing $f(R,T)$ gravity from holographic dark energy

Nov, 2011

16 pages

Published in:

Int.J.Mod.Phys.D 21 (2012) 1250024

e-Print:

1111.4275 [gr-qc]

DOI:

10.1142/S0218271812500241

View in:

ADS Abstract Service

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Abstract: (arXiv)

We consider cosmological scenarios based on

f(R,T)

theories of gravity (

R

is the Ricci scalar and

T

is the trace of the energy-momentum tensor) and numerically reconstruct the function

f(R,T)

which is able to reproduce the same expansion history generated, in the standard General Relativity theory, by dark matter and holographic dark energy. We consider two special

f(R,T)

models: in the first instance, we investigate the modification

R + 2f(T)

, i.e. the usual Einstein-Hilbert term plus a

f(T)

correction. In the second instance, we consider a

f(R)+\lambda T

theory, i.e. a

T

correction to the renown

f(R)

theory of gravity.

Note:

16 pages, 6 figures, accepted for publication in IJMPD

04.50.Kd
95.36.+x
98.80.-k
Modified gravity
holographic dark energy
dark energy: holography
gravitation: f(R)
gravitation: f(T)
numerical calculations

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Figures(12)

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Reconstructing $f(R,T)$ gravity from holographic dark energy

Citations per year

Cosmological constant: The Weight of the vacuum

The Cosmological Constant and Dark Energy

Dark matter and dark energy

Particle dark matter: Evidence, candidates and constraints

Reconstructing Dark Energy

Dynamics of dark energy

Quintessence: a mini-review

Dark Energy and the Accelerating Universe

The Physics of Cosmic Acceleration

Dark Energy

Dimensional reduction in quantum gravity

The World as a hologram

The Holographic principle

Effective field theory, black holes, and the cosmological constant

A Model of holographic dark energy

The Holographic dark energy in a non-flat universe

Constraints on holographic dark energy from Type Ia supernova observations

Constraints on Holographic Dark Energy from Latest Supernovae, Galaxy Clustering, and Cosmic Microwave Background Anisotropy Observations

Introduction to modified gravity and gravitational alternative for dark energy

Unified cosmic history in modified gravity: from F(R) theory to Lorentz non-invariant models

Are f(R) dark energy models cosmologically viable ?

Conditions for the cosmological viability of f(R) dark energy models

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