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Evolution in bouncing quantum cosmology
Evolution in bouncing quantum cosmology
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2011/10/17
We present the method of describing an evolution in quantum cosmology in the framework of the reduced phase space quantization of loop cosmology. We apply our method to the flat Friedman-Robertson-Wal...
Observational test of inflation in loop quantum cosmology
cosmology of theories beyond the SM cosmological perturbation theory quantum cosmology quantum gravity phenomenology
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2011/10/18
We study in detail the power spectra of scalar and tensor perturbations generated during inflation in loop quantum cosmology (LQC). After clarifying in a novel quantitative way how inverse-volume corr...
Inflationary observables in loop quantum cosmology
Cosmology of Theories beyond the SM Loop quantum gravity and cosmology
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2010/11/16
The full set of cosmological observables coming from linear scalar and tensor perturbations of loop quantum cosmology is computed in the presence of inverse-volume corrections.
Quantum Cosmology Close to the Classical Big Bang Singularity and in the Semiclassical Limit
Quantum Cosmology Semiclassical Limit Big Bang Singularity
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2010/3/18
We investigate a cosmological model whose energy content is described by a Chaplygin gas represented by a scalar field $\phi$ with an associated potential producing a big bang singularity such that fo...
Quantum Cosmology and the Arrow of Time
Quantum Cosmology the Arrow of Time
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2010/10/13
Although most fundamental laws are invariant under time reversal, experience exhibits the presence of irreversible phenomena – the arrows of time. Their origin lies in cosmology, and I argue that only...