Scalar-Tensor
Interacting Two Fluid Viscous Dark Energy Models in Scalar Tensor Theory of Gravitation
... in scalar – tensor theories of gravitation proposed by Brans and Dicke (1961), Nordvedt (1970), and Saez and Ballester ...Saez-Ballester scalar-tensor theories are considered to be viable ...
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Gravitational Wave Polarizations in f (R) Gravity and Scalar-Tensor Theory
... In this talk, we will discuss the polarizations of GWs predicted by f (R) gravity [6] and Horndeski theory [15]. In Section 2, we focus on f (R) gravity. We will first resolve the debate on how many physical degrees of ...
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General second order scalar tensor theory and self tuning
... general scalar-tensor theory with second order field equations in four dimensions ...work. Scalar tensor mod- els of modified gravity range from Brans-Dicke gravity [3] to the recent models ...
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Self tuning and the derivation of a class of scalar tensor theories
... of scalar tensor theories known as the Fab ...general scalar tensor ...classical scalar tensor theory of this type that has any hope of tackling the cosmological constant ...
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Priors on the effective dark energy equation of state in scalar-tensor theories
... interpret. Scalar fields (funda- mental or effective) are ubiquitous in theoretical cosmology and particle physics, and are well suited for representing a dynamical ...of scalar field ...coupled ...
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Horndeski scalar-tensor black hole geodesics
... the scalar field one evades the scalar field being singular for it’s derivative on the horizon [18] and makes the field equations to bifurcate the no-hair theorem at the same ...regular scalar ...
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Black hole hair formation in shift symmetric generalised scalar tensor gravity
... a scalar field and the Gauss–Bonnet invariant is the only known interaction term between a scalar and the metric that: respects shift symmetry; does not lead to higher order equations; inevitably introduces ...
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Conformal (In)Equality
... so-called scalar-tensor gravity theory, one of the modified gravity ...the scalar-tensor gravity theory is described both in Jordan frame and in Einstein ...
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Inconsistencies in Theoretical Physics, with Focus on the Higgs Mechanism
... a scalar is therefore a potential term—a characteristic of EG that has been noted elsewhere ...a scalar-tensor alternative to ...sistent scalar-tensor theory in hadron physics to ...
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Vol 9, No 1 (2018)
... I n this paper, Bianchi type-V metric is considered in the presence of wet dark fluid in scalar-tensor theory of gravitation formulated by Saez and Ballester (Phys. Lett. A 113:467, 1986). The exact ...
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Interacting dark fluids in bianchi type-i universe with variable deceleration parameter
... Bianchi type-V minimally interacting holographic dark energy model in scalar tensor theory of been investigated by Kiran et al. [36]. Adhav et . [2] have constructed interacting holographic dark energy ...
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Restrictions on Extended Gravity at Galaxy Clusters Scales
... The general relativity (GR) successfully describes all observable gravitational phenomena on the scales of the solar system [2]. The discovery of gravitational waves [3] confirmed the applicability of GR for the ...
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Gravitational Higgs mechanism in neutron star interiors
... As a second example, we now turn to another model, which will allow for an actual generation of a mass and can be straightforwardly generalized to other gauge fields. Since scalarization appears, perturbatively, as a ...
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Holographic Dark Energy Model in Brans - Dicke Theory of Gravitation
... holographic scalar field dark energy models are studied by many ...the scalar-tensor theories of gravitation proposed by Brans and Dicke (1961) and Saez and Ballester ...BD scalar field to ...
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Spontaneous scalarization of black holes and compact stars from a Gauss Bonnet coupling
... of scalar-tensor theories with coupling between the scalar and the Gauss–Bonnet invariant that exhibit spontaneous scalarization for both black holes and compact ...
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The twelve-flavor β-function and dilaton tests of the sextet scalar
... scalar either as a σ-particle of chiral symmetry breaking (χS B), or as a dilaton of scale symmetry breaking. The twelve-flavor β-function emerges as closest to the CW, perhaps near-conformal, or perhaps with an ...
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P Sasakian Manifold with Quarter Symmetric Non Metric Connection
... curvature tensor, projective curvature tensor, concircular curvature tensor, con- formal curvature tensor with respect to quarter symmetric non-metric connection in a P-Sasakian ...
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Mode-sum construction of the covariant graiviton two-point function in the Poincaré patch of de Sitter space
... A noteworthy distinction between the scalar field and linearized gravity is that the latter possesses gauge sym- metries arising from the diffeomorphism invariance of general relativity. Therefore, it is important ...
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Modelling glueballs
... The scalar glueball is also linked to the anomalous breaking of dilatation symmetry (at the com- posite level, a dilaton/glueball field is introduced [34, ...
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Mesh Optimization for Maxwell's Equations with Respect to Anisotropic Materials Using Geometric Algebra
... is equal to five periods of the wave. The permittivity tensor is assumed to be diagonal ε = Diag(ε x , ε y ). The Cartesian barycentric grid as depicted in Fig. 1(a) is well-suited for this exemplary problem. ...
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