Quantum Gravity and String Theory

1104 Submissions

[5] viXra:1104.0066 [pdf] submitted on 25 Apr 2011

Framework for Unification of Physics

Authors: Philip Carter
Comments: 29 pages, Licensed under the Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 Unported License

On the basis of acknowledged quantum facts it is argued that the quantum state is extended in four spatial dimensions in a 4D space interpenetrating our 3D space. The notion of branes is borrowed from M/String Theory to conceptualize the spatial arrangement. Euclidean spacetime is reinterpreted as the spatial geometry of the 4-brane, with "imaginary time" reinterpreted as the fourth (imaginary) spatial dimension. The imaginary axis of the quantum state is identified as its fourth spatial dimension, yielding a natural union of Special Relativity and Quantum Mechanics and the emergence of time. Spatial properties are shown to explain quantum nonlocality, while time in the 3-brane emerges from motion of or through the imaginary dimension in the 4-brane. A consciousness-model is introduced which conforms to the spatial configuration while providing mechanisms for resolution of the Measurement Problem.
Category: Quantum Gravity and String Theory

[4] viXra:1104.0065 [pdf] replaced on 28 Sep 2011

Gravity as a Manifestation of de Sitter Invariance over a Galois Field

Authors: Felix M. Lev
Comments: 94 pages, 2 figures. Chapter 3 (considering observable gravitational effects) has been considerably revised.

We consider a system of two free bodies in de Sitter invariant quantum mechanics. De Sitter invariance is understood such that representation operators satisfy commutation relations of the de Sitter algebra. Our approach does not involve quantum field theory, de Sitter space and its geometry (metric and connection). At very large distances the standard relative distance operator describes a well known cosmological acceleration. In particular, the cosmological constant problem does not exist and there is no need to involve dark energy or other fields for solving this problem. At the same time, for systems of macroscopic bodies this operator does not have correct properties at smaller distances and should be modified. We propose a modification which has correct properties, reproduces Newton's gravity, the gravitational redshift of light and the precession of Mercury's perihelion if the width of the de Sitter momentum distribution δ for a macroscopic body is inversely proportional to its mass m. We argue that fundamental quantum theory should be based on a Galois field with a large characteristic p which is a fundamental constant characterizing laws of physics in our Universe. Then one can give a natural explanation that δ = constR/(mG) where R is the radius of the Universe (such that λ = 3/R2 is the cosmological constant) and G is a quantity defining Newton's gravity. A very rough estimation gives G ~ R/(mNlnp) where mN is the nucleon mass. If R is of order 1026m then lnp is of order 1080 and therefore p is of order exp(1080). In the formal limit p → ∞ gravity disappears, i.e. in our approach gravity is a consequence of finiteness of nature.
Category: Quantum Gravity and String Theory

[3] viXra:1104.0064 [pdf] submitted on 19 Apr 2011

The Many Novel Physical Consequences of Born's Reciprocal Relativity in Phase-Spaces

Authors: Carlos Castro
Comments: 25 pages, submitted to Int. Jour. Mod. Phys A.

We explore the many novel physical consequences of Born's reciprocal Relativity theory in flat phase-space and to generalize the theory to the curved phase-space scenario. We provide with six specific novel physical results resulting from Born's reciprocal Relativity and which are not present in Special Relativity. These are : momentum-dependent time delay in the emission and detection of photons; energy-dependent notion of locality; superluminal behavior; relative rotation of photon trajectories due to the aberration of light; invariance of areas-cells in phase-space and modified dispersion relations. We finalize by constructing a Born reciprocal general relativity theory in curved phase-spaces which requires the introduction of a complex Hermitian metric, torsion and nonmetricity.
Category: Quantum Gravity and String Theory

[2] viXra:1104.0009 [pdf] submitted on 5 Apr 2011

The Tetron Model in 6+1 Dimensions

Authors: Bodo Lampe
Comments: 14 pages.

The possibility of a 6+1 dimensional spacetime model being the fundamental theory for elementary particle interactions is explored. The dynamical object is an (octonion) spinor defined over a spacetime lattice with S8 permutation symmetry which gets broken to S4 x S4. Electroweak parity violation is argued to arise from the interplay of the two permutation groups S4 or eventually from the definition of the octonion product. It corresponds to a change in sign for odd permutation lattice transformations and is shown to suggest a form for the Hamiltonian.
Category: Quantum Gravity and String Theory

[1] viXra:1104.0001 [pdf] submitted on 1 Apr 2011

Electrodynamics and Gravitation

Authors: Smail Messaoudi
Comments: 9 pages.

In this manuscript, we examine the hypothesis of an electromagnetic origin of the gravitation. We suppose that the vacuum is polarized around a mass and we use the wave nature of matter in order to redefine gravity. We determine the relative permittivity and the relative permeability in order to find the expression of the energy and of the gravitational force.
Category: Quantum Gravity and String Theory