Results 151 to 160 of about 406,699 (273)

Cosmological Inflation: A Personal Perspective [PDF]

, 2008
13 pages, 3 figures. Text based on a public lecture presented at the Academy of Athens within the activities of the Symposium "Chaos in Astronomy 2007", held in Athens Greece in September ...
openaire   +3 more sources

Inflation from R^2 gravity: a new approach using nonlinear electrodynamics

, 2010
We discuss another approach regarding the inflation from the R^2 theory of gravity originally proposed by Starobinski. A non-singular early cosmology is proposed, where, adding a nonlinear electrodynamics Lagrangian to the high-order action, a bouncing ...
Acernese, Allemandi, Allemandi, Bamba, Bennett, Capozziello, Christian Corda, Cognola, Cognola, Cognola, Corda, Corda, Corda, Corda, Corda, Corda, Corda, Corda, De Lorenci, Elizalde, Elizalde, Faraoni, Guth, Herman J. Mosquera Cuesta, Hild, Maggiore, Mbelek, Misner, Mosquera Cuesta, Mosquera Cuesta, Nojiri, Nojiri, Nojiri, Nojiri, Peebles, Spergel, Starobinsky, Tatsumi, Tobar, Watson, Will, Willke   +41 more
core   +1 more source

The Principle of Phase Transition Cosmology: The Current Universe Formed by the Evolution of Two-Component Quantum Superfluid

Reports in Advances of Physical Sciences
This paper aims to demonstrate that modern cosmology has overlooked the systematic and holistic aspects of the universe’s evolution. It is based on the notion that the primordial universe comprised a two-component quantum superfluid and a synthesis of ...
Xiaodong Yang, Yuchen Yang, Zhen Luo, Yuanbo Bi   +3 more
doaj   +1 more source

Primordial Gravitational Waves and Reheating in a New Class of Plateau-Like Inflationary Potentials

Universe, 2018
We study a new class of inflation model parametrized by the Hubble radius, such that aH∝exp(−αφ)n. These potentials are plateau-like, and reduce to the power-law potentials in the simplest case n=2.
Siri Chongchitnan
doaj   +1 more source

Inflation and Loop Quantum Cosmology [PDF]

Proceedings of 35th International Conference of High Energy Physics — PoS(ICHEP 2010), 2011
5 pages, Proceedings of the 35th International Conference on High Energy Physics, Paris, 2010 (ICHEP 2010)
openaire   +3 more sources

Cosmological inflation cries out for supersymmetry [PDF]

, 1982
John Ellis, D.V. Nanopoulos, Keith A. Olive, K. Tamvakis   +3 more
openalex   +1 more source

Cosmological moduli problem and thermal inflation models [PDF]

, 1999
T. Asaka, Masahiro Kawasaki
openalex   +1 more source

Cosmological inflation with orbifold moduli as inflatons [PDF]

, 1998
David Bailin, G. V. Kraniotis, A. Love
openalex   +1 more source

Cosmological Inflation and the Nature of Time [PDF]

, 1996
19 pages, self-unpacking, uuencoded, gz-compressed postscript file, in Proceedings of the International School of Astrophysics, ``D.
openaire   +3 more sources

Is cosmological constant needed in Higgs inflation?

Physics Letters B, 2014
The detection of B-mode shows a very powerful constraint to theoretical inflation models through the measurement of the tensor-to-scalar ratio $r$. Higgs boson is the most likely candidate of the inflaton field. But usually, Higgs inflation models predict a small value of $r$, which is not quite consistent with the recent results from BICEP2.
Chao-Jun Feng, Chao-Jun Feng, Xin-Zhou Li   +2 more
openaire   +4 more sources