The Berry phase in inflationary cosmology

Details The Berry phase in inflationary cosmology The Berry phase in inflationary cosmology

2011-08-18

arxiv.org/abs/1108.3689v3

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

6 pages, Modified version

Scientific paper

We derive an analogue of Berry phase associated with inflationary cosmological perturbations by obtaining the corresponding wavefunction. We have further shown that cosmological Berry phase can be completely envisioned through the observable parameters. So one can, in principle, establish a supplementary probe of inflationary cosmology through the measurement of the associated Berry phase. Finally, we discuss some possible consequences of this quantity in inflationary cosmology.

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