Matches in SemOpenAlex for { <https://semopenalex.org/work/W4379781756> ?p ?o ?g. }
- W4379781756 endingPage "056" @default.
- W4379781756 startingPage "056" @default.
- W4379781756 abstract "Cosmic gravitons are expected in the MHz-GHz regions that are currently unreachable by the operating wide-band interferometers and where various classes of electromechanical detectors have been proposed through the years. The minimal chirp amplitude detectable by these instruments is often set on the basis of the sensitivities reachable by the detectors currently operating in the audio band. By combining the observations of the pulsar timing arrays, the limits from wide-band detectors and the other phenomenological bounds we show that this requirement is far too generous and even misleading since the actual detection of relic gravitons well above the kHz would demand chirp and spectral amplitudes that are ten or even fifteen orders of magnitude smaller than the ones currently achievable in the audio band, for the same classes of stochastic sources. We then examine more closely the potential high-frequency signals and show that the sensitivity in the chirp and spectral amplitudes must be even smaller than the ones suggested by the direct and indirect constraints on the cosmic gravitons. We finally analyze the high-frequency detectors in the framework of Hanbury-Brown Twiss interferometry and argue that they are actually more essential than the ones operating in the audio band (i.e. between few Hz and few kHz) if we want to investigate the quantumness of the relic gravitons and their associated second-order correlation effects. We suggest, in particular, how the statistical properties of thermal and non-thermal gravitons can be distinguished by studying the corresponding second-order interference effects." @default.
- W4379781756 created "2023-06-09" @default.
- W4379781756 creator A5085852458 @default.
- W4379781756 date "2023-05-01" @default.
- W4379781756 modified "2023-09-25" @default.
- W4379781756 title "Relic gravitons and high-frequency detectors" @default.
- W4379781756 cites W1645721590 @default.
- W4379781756 cites W1926075317 @default.
- W4379781756 cites W1963895399 @default.
- W4379781756 cites W1965936527 @default.
- W4379781756 cites W1968140575 @default.
- W4379781756 cites W1970861363 @default.
- W4379781756 cites W1971230011 @default.
- W4379781756 cites W1973562556 @default.
- W4379781756 cites W1973861971 @default.
- W4379781756 cites W1974224420 @default.
- W4379781756 cites W1987343509 @default.
- W4379781756 cites W1999759598 @default.
- W4379781756 cites W2002303201 @default.
- W4379781756 cites W2005024908 @default.
- W4379781756 cites W2005812178 @default.
- W4379781756 cites W2007709630 @default.
- W4379781756 cites W2009709544 @default.
- W4379781756 cites W2012869970 @default.
- W4379781756 cites W2014716911 @default.
- W4379781756 cites W2018362661 @default.
- W4379781756 cites W2018460635 @default.
- W4379781756 cites W2025054648 @default.
- W4379781756 cites W2029679299 @default.
- W4379781756 cites W2031179831 @default.
- W4379781756 cites W2033445880 @default.
- W4379781756 cites W2039550444 @default.
- W4379781756 cites W2042638239 @default.
- W4379781756 cites W2046060089 @default.
- W4379781756 cites W2049717108 @default.
- W4379781756 cites W2051970323 @default.
- W4379781756 cites W2054530438 @default.
- W4379781756 cites W2056471637 @default.
- W4379781756 cites W2058269106 @default.
- W4379781756 cites W2058486682 @default.
- W4379781756 cites W2059119011 @default.
- W4379781756 cites W2060217801 @default.
- W4379781756 cites W2061447191 @default.
- W4379781756 cites W2062807144 @default.
- W4379781756 cites W2065552232 @default.
- W4379781756 cites W2069886169 @default.
- W4379781756 cites W2077083915 @default.
- W4379781756 cites W2078971509 @default.
- W4379781756 cites W2079556333 @default.
- W4379781756 cites W2079724444 @default.
- W4379781756 cites W2081427706 @default.
- W4379781756 cites W2087727195 @default.
- W4379781756 cites W2090803003 @default.
- W4379781756 cites W2091212723 @default.
- W4379781756 cites W2102110508 @default.
- W4379781756 cites W2103555851 @default.
- W4379781756 cites W2108309395 @default.
- W4379781756 cites W2112651653 @default.
- W4379781756 cites W2114196265 @default.
- W4379781756 cites W2121509339 @default.
- W4379781756 cites W2132442183 @default.
- W4379781756 cites W2134251287 @default.
- W4379781756 cites W2135160293 @default.
- W4379781756 cites W2144480799 @default.
- W4379781756 cites W2160342143 @default.
- W4379781756 cites W2160809095 @default.
- W4379781756 cites W2170963768 @default.
- W4379781756 cites W2174056583 @default.
- W4379781756 cites W2228259595 @default.
- W4379781756 cites W2511032209 @default.
- W4379781756 cites W2527143382 @default.
- W4379781756 cites W2562181234 @default.
- W4379781756 cites W2587879786 @default.
- W4379781756 cites W2592799394 @default.
- W4379781756 cites W2611445622 @default.
- W4379781756 cites W2898353231 @default.
- W4379781756 cites W2949276250 @default.
- W4379781756 cites W2969431844 @default.
- W4379781756 cites W2970880911 @default.
- W4379781756 cites W2972266918 @default.
- W4379781756 cites W3037395653 @default.
- W4379781756 cites W3037429251 @default.
- W4379781756 cites W3043409822 @default.
- W4379781756 cites W3099234116 @default.
- W4379781756 cites W3100370297 @default.
- W4379781756 cites W3103036205 @default.
- W4379781756 cites W3119047058 @default.
- W4379781756 cites W3120540649 @default.
- W4379781756 cites W3122719773 @default.
- W4379781756 cites W3123813977 @default.
- W4379781756 cites W3140714191 @default.
- W4379781756 cites W3142094197 @default.
- W4379781756 cites W3174927585 @default.
- W4379781756 cites W3185719934 @default.
- W4379781756 cites W3193812952 @default.
- W4379781756 cites W3202438181 @default.
- W4379781756 cites W3209753291 @default.
- W4379781756 cites W4211141710 @default.