Matches in SemOpenAlex for { <https://semopenalex.org/work/W4319946788> ?p ?o ?g. }
- W4319946788 abstract "We present a new mechanism for cosmic acceleration consisting of a scalar field coupled to a triplet of classical U(1) gauge fields. The gauge fields are arranged in a homogeneous, isotropic configuration, with both electric- and magnetic-like vacuum expectation values. The gauge fields provide a mass-like term via a Chern-Simons interaction that suspends the scalar away from its potential minimum, thereby enabling potential-dominated evolution. We show this mechanism can drive a brief period of acceleration, such as dark energy, without the need for fine tunings. We obtain simple analytic results for the dark energy equation of state and dependence on model parameters. In this model, the presence of the gauge field generically leads to a suppression of long-wavelength gravitational waves, with implications for the experimental search for cosmic microwave background B-modes and direct detection of a stochastic gravitational wave background." @default.
- W4319946788 created "2023-02-11" @default.
- W4319946788 creator A5038069517 @default.
- W4319946788 creator A5086110340 @default.
- W4319946788 date "2023-02-10" @default.
- W4319946788 modified "2023-10-16" @default.
- W4319946788 title "Dark energy with a triplet of classical U(1) fields" @default.
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- W4319946788 doi "https://doi.org/10.1103/physrevd.107.043514" @default.
- W4319946788 hasPublicationYear "2023" @default.
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