Add to ORKGIn this article we study closed inflationary universe models by using a tachyonic field theory. We determine and characterize the existence of an universe with $\Omega > 1$, and which describes a period of inflation. We find that considered models are less restrictive compared to the standard ones with a scalar field. We use recent astronomical observations to constraint the parameters appearing in the model. Obtained results are compared to those found in the standard scalar field inflationary universes
We propose a model for early universe cosmology without the need for fundamental scalar fields. Cosm...
It is very difficult to obtain a realistic model of a closed inflationary universe. Even if one fine...
We begin by reviewing the results on the decay of unstable D-branes in type II string theory, and th...
AbstractWe study one-field open inflationary models in a universe dominated by tachyon matter. In th...
We study one-field open inflationary models in a universe dominated by tachyon matter. In these scen...
Warm inflationary universe models in a tachyon field theory are studied. General conditions required...
AbstractTachyonic inflationary universe model in the context of a Chaplygin gas equation of state is...
In this work a tachyonization of the ΛCDM model for a spatially flat Friedmann-Robertson-Walker spac...
Abstract We examine the possibility of rolling tachyon to play the dual roll of inflaton at early ep...
We propose a model for early universe cosmology without the need for fundamental scalar fields. Cosm...
We examine the dynamics of a closed cosmology whose matter source is that of a conformally coupled s...
In continuation of the papers hep-th/0505012 and hep-th/0508101 we investigate the consequences when...
In this article, our prime objective is to study the inflationary paradigm in the context of the gen...
Hybrid inflation within supersymmetric grand unified theories, as well as inflation through brane co...
In this work, we propose a string-inspired two fields inflation model to address the fine-tuning pro...
We propose a model for early universe cosmology without the need for fundamental scalar fields. Cosm...
It is very difficult to obtain a realistic model of a closed inflationary universe. Even if one fine...
We begin by reviewing the results on the decay of unstable D-branes in type II string theory, and th...
AbstractWe study one-field open inflationary models in a universe dominated by tachyon matter. In th...
We study one-field open inflationary models in a universe dominated by tachyon matter. In these scen...
Warm inflationary universe models in a tachyon field theory are studied. General conditions required...
AbstractTachyonic inflationary universe model in the context of a Chaplygin gas equation of state is...
In this work a tachyonization of the ΛCDM model for a spatially flat Friedmann-Robertson-Walker spac...
Abstract We examine the possibility of rolling tachyon to play the dual roll of inflaton at early ep...
We propose a model for early universe cosmology without the need for fundamental scalar fields. Cosm...
We examine the dynamics of a closed cosmology whose matter source is that of a conformally coupled s...
In continuation of the papers hep-th/0505012 and hep-th/0508101 we investigate the consequences when...
In this article, our prime objective is to study the inflationary paradigm in the context of the gen...
Hybrid inflation within supersymmetric grand unified theories, as well as inflation through brane co...
In this work, we propose a string-inspired two fields inflation model to address the fine-tuning pro...
We propose a model for early universe cosmology without the need for fundamental scalar fields. Cosm...
It is very difficult to obtain a realistic model of a closed inflationary universe. Even if one fine...
We begin by reviewing the results on the decay of unstable D-branes in type II string theory, and th...