https://doi.org/10.1140/epjc/s2004-01730-8
theoretical physics
Metric fluctuations and their evolution during inflation
1
Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350, 7600), Mar del Plata, Buenos Aires, Argentina
2
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
* e-mail: anabitar@mdp.edu.ar
We discuss the evolution of the fluctuations in a symmetric -exponential potential which provides a power-law expansion during inflation using both the gauge-invariant field and the Sasaki-Mukhanov field.
© Springer-Verlag, 2004