Improved DHOST Genesis

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<jats:title>A<jats:sc>bstract</jats:sc> </jats:title><jats:p>We improve the DHOST Genesis proposed in [1], such that the near scale invariant scalar power spectrum can be generated from the model itself, without invoking extra mechanism like a string gas. Besides, the superluminality problem of scalar perturbation plagued in [1] can be rescued by choosing proper DHOST action.</jats:p>

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