Xiang-hua Zhai

Towards realisticf(T)models with nonminimal torsion-matter coupling extension

Using the observation data of SNeIa, CMB and BAO, we establish two concrete

Solar system tests for realistic f(T) models with non-minimal torsion–matter coupling

f(T)

Action functional of the Cardassian universe

models with nonminimal torsion-matter coupling extension. We study in detail the cosmological implication of our models and find they are successful in describing the observation of the Universe, its large scale structure and evolution. In other words, these models do not change the successful aspects of

Spherical collapse and virialization in

\Lambda

f(T)

CDM scenario under the error band of fitting values as describing the evolution history of the Universe including radiation-dominated era, matter-dominated era and the present accelerating expansion. Meanwhile, the significant advantage of these models is that they could avoid the cosmological constant problem of

gravities

\Lambda

Scalar clouds around Kerr?Sen black holes

CDM. A joint analysis is performed by using the data of CMB+BAO+JLA, which leads to

Some developments of the Casimir effect in p-cavity of (D + 1)-dimensional space–time

\Omega_{m0}=0.255\pm 0.010, \Omega_{b0}h^2=0.0221\pm 0.0003

ON THE QUINTESSENCE WITH ABELIAN AND NON-ABELIAN SYMMETRY

and

Massive charged Dirac fields around Reissner-Nordström black holes: Quasibound states and long-lived modes

H_0=68.54\pm 1.27