[PDF] Top 20 Flat Space Cosmology as a Mathematical Model of Quantum Gravity or Quantum Cosmology

... Flat space cosmology is our newly introduced heuristic model of cosmology [1] [2]. Relying on only a few basic and reasonable assumptions, it has allowed us to derive a variety of ... See full document

... of gravity reached today a high degree of ...“mimetic gravity” and can be easily extended to depict a huge variety of cosmological scenarios (inflation, cosmological bounce, dark ... See full document

... Our model also suggests that the observational phenomena attributable to dark energy (especially the 1998 Type 1a supernovae data) may be entirely a manifestation of Minkowski flat space relativistic ... See full document

... spatially flat from inception. Flat Space Cosmology (FSC) is the latter type of cosmological model by virtue of assumptions corresponding to the Hawking-Penrose con- jecture that a ... See full document

... FSC model is largely due to the consistent theme behind these assumptions ( ...FSC model , based upon adapting Hawking ’ s static formula , is the first quantum cos- mology ...following ... See full document

... to quantum gravity [3], itself a second quantized formulation of loop quantum gravity (LQG) [4, 5], with spin network vertices or elementary simplices as ‘ quanta ’ of the GFT fi eld, or ‘ ... See full document

... FLRW model) and the second law require- ment of extremely low beginning ...the Flat Space Cosmology (FSC) model [4] and Erik Verlinde’s “emergent gravity” (entropic ... See full document

... Abstract. Minisuperspace models are taken into account searching for Noether sym- metries. The existence of conserved quantities gives selection rule to recover classical behaviors in cosmic evolution according to the so ... See full document

... Thus a state equation for this fluid is settled to express the dominance of a specific kind of matter in the evolution of the universe. An immediately problematic situation arises, i.e., the initial conditions are ... See full document

... in quantum cosmology is whether one restricts to positive or negative-frequency solutions or keeps both, and that the analogue of this frequency condition in full quantum gravity would be the ... See full document

... a mathematical model of the Hawking-Penrose conjecture that a universe smoothly expanding from a singu- larity can be treated, under general relativity, much like a time-reversal of giant black hole ... See full document

... the model of [13, ...full quantum cosmology ...interesting model of quantum ...their cosmology can be ...the model can reproduce some features of general ...the ... See full document

... a quantum field as a classical stochastic field is ...the cosmology of de Sitter space, since de Sitter regions tend to approach a stationary thermal ...Hilbert space is infinite-dimensional ... See full document

... loop quantum gravity (LQG) ...generalized gravity theory, the Einstein-Cartan theory, which includes torsion [13] and brings interesting new light to fermion behavior in curved spacetime at high ... See full document

... the quantum law for the geometrodynamical approach to quantum gravity, which becomes a relativistic wave equation in the superspace of the scale factor a and an inflaton φ for a ... See full document

... standard cosmology will need to change its current claims for the cosmic energy density partition to be more in line with FSC, or whether FSC is ...standard cosmology must eventually realize the necessity ... See full document

... Higgs Quantum Space (HQS) is a very strongly correlated quantum fluid medium, ruled by an order parameter and stabilized by a huge energy ...local quantum fluctuations and the zero-point ... See full document

... fully quantum model restricted to the homogeneous minisuperspace was consid- ered in [6] and the similarity operator for the inhomogeneous perturbations was constructed in ... See full document

... In the next section, we review the Weyl invariant gravity with the vector field [11-14,16-21,25-37]. The expression (1.4) is generalized to the Weyl invariant one. The Lagrangian for a Weyl-invariant DBI ... See full document

... study quantum cosmology with conformal matter comprising a perfect radiation fluid and a number of conformally coupled scalar ...the quantum gravity path integral ...spatially flat, ... See full document