GUT’s in curved spacetime: Running gravitational constants, Newtonian potential, and the quantum-corrected gravitational equations

نویسندگان
چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

GUT's in curved spacetime: Running gravitational constants, Newtonian potential, and the quantum-corrected gravitational equations.

The running coupling constants (in particular, the gravitational one) are studied in asymptotically free GUTs and in finite GUTs in curved spacetime, with explicit examples. The running gravitational coupling is used to calculate the leading quantum GUT corrections to the Newtonian potential, which turn out to be of logarithmic form in asymptotically free GUTs. A comparison with the effective t...

متن کامل

The Newtonian Potential in Gravitational Cohomology

We examine the Newtonian potential in gravitational cohomology. This is given by a symmetric, two-index tensor field, which satisfies the wave equation in empty space. Furthermore, the associated gravitational field strength, obtained by applying the coboundary operator to the potential, is constructed for the case of a stationary point mass and shown to give the classical result.

متن کامل

Gravitational redshift contradicts the curved-spacetime interpretation of general relativity

It is shown that the measurement of a change in a photon frequency in the gravitational redshift experiment is in fact an indirect measurement of a change in the photon local velocity since both frequency and velocity change in this experiment. This means that the local velocity of a photon depends upon its pre-history (whether it has been emitted at the observation point or at a point of diffe...

متن کامل

Spiral Galaxies Rotation Curves with a Logarithmic Corrected Newtonian Gravitational Potential

We analyze the rotation curves of 10 spiral galaxies with a newtonian potential corrected with an extra logarithmic term, using a disc modelization for the spiral galaxies. There is a new constant associated with the extra term in the potential. The rotation curve of the chosen sample of spiral galaxies is well reproduced for a given range of the new constant. It is argued that this correction ...

متن کامل

Post-Newtonian Gravitational Radiation

Let us declare that the most important devoir of any physical theory is to draw firm predictions for the outcome of laboratory experiments and astronomical observations. Unfortunately, the devoir is quite difficult to fulfill in the case of general relativity, essentially because of the complexity of the Einstein field equations, to which only few exact solutions are known. For instance, it is ...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Physical Review D

سال: 1995

ISSN: 0556-2821

DOI: 10.1103/physrevd.52.2202