There are two processes of matter creation after inflation that may be relevant to the resolution of the puzzle of cosmic rays observed with energies beyond GZK cut-off: 1) gravitational creation of superheavy (quasi)stable particles, and 2) non-thermal phase transitions leading to formation of topological defects. We review both possibilities
The production of a stochastic background of gravitational waves is a fundamental prediction of any ...
Cosmological inflation and topological defects have been considered for a long time, either in disag...
We study the effects of various phenomena which may have happened in the early universe on the spe...
We conjecture that the highest energy cosmic rays beyond the Greisen-Zatsepin-Kuzmin cut-off may pro...
The cosmic microwave background (CMB) provides a snapshot of the early Universe when matter began to...
Many models of supersymmetry breaking, in the context of either supergravity or superstring theories...
Since the discovery of the cosmic microwave background (CMB), our understanding of the cosmos has be...
Modern cosmology provides a connection between the physics of particles and fields and observational...
One of the major interests of current cosmology is to determine whether the present large-scale stru...
The production of topological defects, especially cosmic strings, in extended inflation models was c...
Within the inflationary paradigm, our patch of the universe near the end of inflation is highly homo...
Interfaces between high-energy physics, astrophysics and cosmology are reviewed, with particular emp...
textGravitational waves are truly transparent to matter in the Universe and carry the information of...
Many particle physics models of matter admit solutions corresponding to stable or long-lived topolog...
This PhD thesis presents several aspects of the interplay between high energy physics and cosmology....
The production of a stochastic background of gravitational waves is a fundamental prediction of any ...
Cosmological inflation and topological defects have been considered for a long time, either in disag...
We study the effects of various phenomena which may have happened in the early universe on the spe...
We conjecture that the highest energy cosmic rays beyond the Greisen-Zatsepin-Kuzmin cut-off may pro...
The cosmic microwave background (CMB) provides a snapshot of the early Universe when matter began to...
Many models of supersymmetry breaking, in the context of either supergravity or superstring theories...
Since the discovery of the cosmic microwave background (CMB), our understanding of the cosmos has be...
Modern cosmology provides a connection between the physics of particles and fields and observational...
One of the major interests of current cosmology is to determine whether the present large-scale stru...
The production of topological defects, especially cosmic strings, in extended inflation models was c...
Within the inflationary paradigm, our patch of the universe near the end of inflation is highly homo...
Interfaces between high-energy physics, astrophysics and cosmology are reviewed, with particular emp...
textGravitational waves are truly transparent to matter in the Universe and carry the information of...
Many particle physics models of matter admit solutions corresponding to stable or long-lived topolog...
This PhD thesis presents several aspects of the interplay between high energy physics and cosmology....
The production of a stochastic background of gravitational waves is a fundamental prediction of any ...
Cosmological inflation and topological defects have been considered for a long time, either in disag...
We study the effects of various phenomena which may have happened in the early universe on the spe...
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