Quantum Gravity and String Theory

The Planck Scale in the Light of Psychological Enquiry

Authors: Diego Meschini
Comments: v3: English version, typeset anew and light-handedly amended, 32 pages. v2: Spanish version, translated by the author, 38 pages.

A psychological enquiry into the Planck scale in quantum gravity, as guided by the application of Garrett Hardin's three filters against folly: literacy (what are the words?), numeracy (what are the numbers?), and ecolacy (and then, what?).

Una indagación psicológica sobre la escala de Planck en la gravedad cuántica según los tres filtros contra la zoncera de Garrett Hardin: alfabetismo (¿cuáles son la palabras?), numerismo (¿cuáles son los números?) y ecolismo (¿y después, qué?).

Spacetime Deformations Evolution Concept

Authors: Jacek Safuta
Comments: 10 pages.

I frame a concept that the matter and energy have evolved from a primordial, conformally flat spacetime (starting before the Planck Era). I apply the theory of Darwinism beyond its original sphere of organic evolution on Earth. Finally I present some points of view on computability of the actual Universe and its evolution.
Category: Quantum Gravity and String Theory

The Mirror Neutrino Dark Matter Hypothesis

Authors: M. D. Sheppeard, G. Dungworth
Comments: 15 pages.

In a quantum information approach to quantum gravity, one naturally extends the Bilson-Thompson braid particle spectrum by a right handed neutrino sector. This suggests a parity restoring non local form of mirror matter, considered as a novel contributor to the dark matter sector. In the non standard Riofrio cosmology, where the entire dark matter sector is approximated by black hole states, the mirror matter should occupy a space on the other side of our conformal horizons, which are present everywhere in our universe. In particular we note that the Koide matrix antineutrino rest mass prediction of 0.00117 eV corresponds precisely to a black body peak temperature of 2.73 K, the CMB temperature, as a result of its annihilation with mirror antineutrinos. Initial consequences of these ideas for dark matter profiles are discussed.
Category: Quantum Gravity and String Theory