期刊
PHYSICAL REVIEW D
卷 85, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.85.043519
关键词
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资金
- Science and Technology Facilities Council [ST/I000976/1]
- FCT (Portugal)
- STFC [ST/I000976/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/I000976/1] Funding Source: researchfish
We present a simple and efficient method to compute the superhorizon evolution of the spectral index in multifield inflationary models, using transport equation techniques. We illustrate the evolution of n(s) with time for various interesting potentials.
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