# Inflation and String Cosmology

@article{Linde2005InflationAS, title={Inflation and String Cosmology}, author={Andrei Linde}, journal={Progress of Theoretical Physics Supplement}, year={2005}, volume={163}, pages={295-322} }

We discuss the main principles of inflationary cosmology and some recent attempts to implement inflation in the context of string theory.

#### 63 Citations

Inflation and String Theory

- Mathematics, Physics
- 2014

We review cosmological inflation and its realization in quantum field theory and in string theory. This material is a portion of a book, also entitled "Inflation and String Theory", to be published… Expand

Challenges for String Gas Cosmology

- Physics
- 2005

In spite of the phenomenological successes of the inflationary universe scenario, the current realizations of inflation making use of scalar fields lead to serious conceptual problems which are… Expand

Looking beyond inflationary cosmology

- Physics, Economics
- 2005

In spite of the phenomenological successes of the inflationary universe scenario, the current realizations of inflation making use of scalar fields lead to serious conceptual problems that are… Expand

Assisted inflation from geometric tachyon

- Physics
- 2007

We study the effect of rolling of N D3-branes in the vicinity of NS5-branes. We find out that this system coupled with the four dimensional gravity gives the slow roll assisted inflation of the… Expand

Supersymmetry and stability of flux vacua

- Physics
- 2006

We describe a modified KKLT mechanism of moduli stabilization in a supersymmetric Minkowski vacuum state. In this mechanism, supersymmetry ensures vacuum stability and positivity of the mass matrix… Expand

Challenges for String Cosmology

- Physics
- 2011

We critically assess the twin prospects of describing the observed universe in string theory, and using cosmological experiments to probe string theory. For the purposes of this short review, we… Expand

Gauge-String Dualities and Some Applications

- Physics
- 2008

The first part of these lectures contains an introductory review of the AdS/CFT duality and of its tests. Applications to thermal gauge theory are also discussed briefly. The second part is devoted… Expand

Systematics of multi-field effects at the end of warped brane inflation

- Physics
- 2008

We investigate in the context of brane inflation the possibility of additional light scalar fields generating significant power spectrum and non-Gaussianities at the end of inflation affecting the… Expand

Towards multi-field D-brane inflation in a warped throat

- Physics
- 2010

We study the inflationary dynamics in a model of slow-roll inflation in warped throat. Inflation is realized by the motion of a D-brane along the radial direction of the throat, and at later stages… Expand

Lectures on cosmic inflation and its potential stringy realizations

- Physics
- 2007

These notes present a brief introduction to hot big bang cosmology and cosmic inflation, together with a selection of some recent attempts to embed inflation into string theory. They provide a… Expand

#### References

Dynamics of symmetry breaking and tachyonic preheating.

- Physics, Medicine
- Physical review letters
- 2001

It is shown that, contrary to previous expectations, preheating in hybrid inflation is typically tachyonic, which occurs due to the spinodal instability of the scalar field. Expand