Extended cuscuton: formulation

Iyonaga, A; Takahashi, K; Kobayashi, T

Iyonaga, A (reprint author), Rikkyo Univ, Dept Phys, Toshima Ku, Tokyo 1718501, Japan.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2018; (12):

Abstract

Among single-field scalar-tensor theories, there is a special class called "cuscuton", which is represented as some limiting case of k-essence in gene......

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