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- W3106033252 endingPage "067" @default.
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- W3106033252 abstract "Conformal scaling invariance should play an important role for understanding the origin and evolution of universe. During inflation period, it appears to be an approximate symmetry, but how it is broken remains uncertain. The appealing $alpha$-attractor inflation implements the spontaneous breaking of conformal symmetry and a mysterious SO(1,1) global symmetry. To better understand the SO(1,1) symmetry, here we present a systematic treatment of the inflation models with local conformal symmetry in a more general formalism. We find SO(2) is the other possible symmetry in the presence of Weyl gauge field. We also obtain all the analytic solutions that relate the inflation fields between Jordan frame and Einstein frame. We illustrate a class of inflation models with the approximate SO(2) symmetry and trigonometric potential, and find that it can fit the current observations and will be probed by future CMB experiments." @default.
- W3106033252 created "2020-11-23" @default.
- W3106033252 creator A5013445801 @default.
- W3106033252 creator A5078471037 @default.
- W3106033252 date "2020-03-31" @default.
- W3106033252 modified "2023-09-27" @default.
- W3106033252 title "Conformal α-attractor inflation with Weyl gauge field" @default.
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- W3106033252 doi "https://doi.org/10.1088/1475-7516/2020/03/067" @default.
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