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- W3123678663 endingPage "015019" @default.
- W3123678663 startingPage "015019" @default.
- W3123678663 abstract "We introduce a model which allows the fine structure constant (alpha) to vary throughout space and time due to a coupling to a scalar field with a non-canonical kinetic structure. This provided a new extension of the Bekenstein-Sandvik-Barrow-Magueijo model of alpha variations. The background cosmology is studied in detail using dynamical systems techniques for a scalar field of ghost condensate type. We show generically that if the kinetic terms are chosen to allow an accelerated late-time attractor for the expansion scale factor then alpha will not asymptote to a constant at late times." @default.
- W3123678663 created "2021-02-01" @default.
- W3123678663 creator A5061264439 @default.
- W3123678663 date "2014-12-11" @default.
- W3123678663 modified "2023-09-30" @default.
- W3123678663 title "Varying- <i>α</i> and K-essence" @default.
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- W3123678663 doi "https://doi.org/10.1088/0264-9381/32/1/015019" @default.
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