Matches in SemOpenAlex for { <https://semopenalex.org/work/W3006961838> ?p ?o ?g. }
- W3006961838 endingPage "002" @default.
- W3006961838 startingPage "002" @default.
- W3006961838 abstract "We present a new class of nonsingular bounce cosmology free from instabilities, using a single scalar field coupled to gravity within the framework of the Degenerate Higher-Order Scalar-Tensor (DHOST) theories. In this type of scenarios, the gradient instability that widely exists in nonsingular bounce cosmologies in the framework of scalar-tensor and Horndeski/Galileon theories is removed by the effects of new operators introduced by the DHOST, due to the modification that they later bring about to the dispersion relation of perturbations. Hence, our results demonstrate that there is indeed a loophole for this type of bounce scenarios to be free from pathologies when primordial perturbations evolve through the bounce phase, and thus the theoretical no-go theorem for nonsingular bounce cosmology of Horndeski/Galileon theories can be delicately evaded in DHOST extensions." @default.
- W3006961838 created "2020-03-06" @default.
- W3006961838 creator A5001261011 @default.
- W3006961838 creator A5012913117 @default.
- W3006961838 creator A5046590733 @default.
- W3006961838 creator A5053315008 @default.
- W3006961838 creator A5069557842 @default.
- W3006961838 date "2020-09-01" @default.
- W3006961838 modified "2023-10-18" @default.
- W3006961838 title "DHOST bounce" @default.
- W3006961838 cites W1261499239 @default.
- W3006961838 cites W1507993447 @default.
- W3006961838 cites W1526501687 @default.
- W3006961838 cites W1550944381 @default.
- W3006961838 cites W1555237261 @default.
- W3006961838 cites W1578320494 @default.
- W3006961838 cites W1885454190 @default.
- W3006961838 cites W1966541985 @default.
- W3006961838 cites W1968662325 @default.
- W3006961838 cites W1981597696 @default.
- W3006961838 cites W1981791393 @default.
- W3006961838 cites W1985618603 @default.
- W3006961838 cites W1991424580 @default.
- W3006961838 cites W2000165469 @default.
- W3006961838 cites W2011235032 @default.
- W3006961838 cites W2012027835 @default.
- W3006961838 cites W2015410749 @default.
- W3006961838 cites W2016244044 @default.
- W3006961838 cites W2026517113 @default.
- W3006961838 cites W2027024732 @default.
- W3006961838 cites W2029143135 @default.
- W3006961838 cites W2034240244 @default.
- W3006961838 cites W2034933384 @default.
- W3006961838 cites W2037801131 @default.
- W3006961838 cites W2048737175 @default.
- W3006961838 cites W2050195066 @default.
- W3006961838 cites W2061134346 @default.
- W3006961838 cites W2062912482 @default.
- W3006961838 cites W2068380679 @default.
- W3006961838 cites W2073660808 @default.
- W3006961838 cites W2076141779 @default.
- W3006961838 cites W2078896402 @default.
- W3006961838 cites W2082383196 @default.
- W3006961838 cites W2085931505 @default.
- W3006961838 cites W2087127368 @default.
- W3006961838 cites W2098001159 @default.
- W3006961838 cites W2099847368 @default.
- W3006961838 cites W2104599603 @default.
- W3006961838 cites W2111818973 @default.
- W3006961838 cites W2115120324 @default.
- W3006961838 cites W2117142729 @default.
- W3006961838 cites W2138508917 @default.
- W3006961838 cites W2144658339 @default.
- W3006961838 cites W2152850103 @default.
- W3006961838 cites W2160168896 @default.
- W3006961838 cites W2177433753 @default.
- W3006961838 cites W2280843605 @default.
- W3006961838 cites W2288526866 @default.
- W3006961838 cites W2346370417 @default.
- W3006961838 cites W2462543778 @default.
- W3006961838 cites W2463487467 @default.
- W3006961838 cites W2503402734 @default.
- W3006961838 cites W2508761786 @default.
- W3006961838 cites W2513411918 @default.
- W3006961838 cites W2574308188 @default.
- W3006961838 cites W2575558886 @default.
- W3006961838 cites W2606785233 @default.
- W3006961838 cites W2626535852 @default.
- W3006961838 cites W2728239156 @default.
- W3006961838 cites W2766538289 @default.
- W3006961838 cites W2795895751 @default.
- W3006961838 cites W2809881760 @default.
- W3006961838 cites W2950274368 @default.
- W3006961838 cites W2951130416 @default.
- W3006961838 cites W2952150967 @default.
- W3006961838 cites W2963329760 @default.
- W3006961838 cites W2970749739 @default.
- W3006961838 cites W2982077042 @default.
- W3006961838 cites W2985399354 @default.
- W3006961838 cites W3037141003 @default.
- W3006961838 cites W3037249162 @default.
- W3006961838 cites W3037834805 @default.
- W3006961838 cites W3098436138 @default.
- W3006961838 cites W3099010807 @default.
- W3006961838 cites W3099082873 @default.
- W3006961838 cites W3099403857 @default.
- W3006961838 cites W3099535338 @default.
- W3006961838 cites W3100493529 @default.
- W3006961838 cites W3101057206 @default.
- W3006961838 cites W3101328926 @default.
- W3006961838 cites W3101545435 @default.
- W3006961838 cites W3101813378 @default.
- W3006961838 cites W3101853860 @default.
- W3006961838 cites W3102136416 @default.
- W3006961838 cites W3102297834 @default.
- W3006961838 cites W3102634840 @default.
- W3006961838 cites W3102880861 @default.
- W3006961838 cites W3103357461 @default.