In this review we present a thoroughly comprehensive survey of recent work on modified
theories of gravity and their cosmological consequences. Amongst other things, we cover …

Given the proliferation of bouncing models in recent years, we gather and critically assess
these proposals in a comprehensive review. The PLANCK data shows an unmistakably red …

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Menu Find a journal Publish with us Track your research Search Cart Book cover Inflationary …

We summarize the utility of precise cosmic microwave background (CMB) polarization
measurements as probes of the physics of inflation. We focus on the prospects for using …

In this review, a number of approaches to superstring cosmology which make use of key
features which distinguish string theory from point particle theories are discussed, with …

The inflationary paradigm, although very successful phenomenologically, suffers from
several conceptual problems which motivate the search for alternative scenarios of early …

A bstract Matrix theory is a proposed non-perturbative definition of superstring theory in
which space is emergent. We begin a study of cosmology in the context of matrix theory …

For suitable cosmological backgrounds, thermal fluctuations of a gas of strings can generate
a scale-invariant spectrum of cosmological fluctuations without requiring a phase of …

String gas cosmology is a string theory-based approach to early universe cosmology that is
based on making use of robust features of string theory such as the existence of new states …

In Biswas et al (2006 J. Cosmol. Astropart. Phys. JCAP03 (2006) 009 [hep-th/0508194]) it
was shown how non-perturbative corrections to gravity can resolve the big bang singularity …