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The investigation of detectability of the relic gravitational waves based on the WMAP-9 and Planck
General Relativity and Quantum Cosmology · Submitted 18 Jan 2017
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim The obtained results of this comparison give us some more chance for detection of the relic gravitational waves.
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The abstract, sentence by sentence
The generated relic gravitational waves were underwent several stages of evolution of the universe such as inflation and reheating. These stages were affected on the shape of spectrum of the waves. As well known, at the end of inflation, the scalar field $\phi$ oscillates quickly around some point where potential $V(\phi)=\lambda \phi^{n}$ has a minimum. The end of inflation stage played a crucial role on the further evolution stages of the universe because particles were created and collisions of the created particles were responsible for reheating the universe. There is a general range for the frequency of the spectrum $ \sim (0.3\times10^{-18}-0.6\times10^{10}$)Hz. It is shown that the reheating temperature can be affect on the frequency of the spectrum as well. There is constraint on the temperature from cosmological observations based on WMAP-9 and Planck. Therefore it is interesting to estimate allowed value of frequencies of the spectrum based on general range of reheating temperature like few MeV $\lesssim T_{rh}\lesssim10^{16}$ GeV, WMAP-9 and Planck data then compare the spectrum with sensitivity of future detectors such as LISA, BBO and ultimate-DECIGIO. The obtained results of this comparison give us some more chance for detection of the relic gravitational waves.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | The generated relic gravitational waves were underwent several stages of evolution of the universe such as inflation and reheating. | background 1.00 | 0.11 | 0.02 | asserted 1.00 |
| s1 | These stages were affected on the shape of spectrum of the waves. | background 0.99 | 0.10 | 0.03 | asserted 1.00 |
| s2 | As well known, at the end of inflation, the scalar field $\phi$ oscillates quickly around some point where potential $V(\phi)=\lambda \phi^{n}$ has a minimum. | background 1.00 | 0.06 | 0.02 | asserted 1.00 |
| s3 | The end of inflation stage played a crucial role on the further evolution stages of the universe because particles were created and collisions of the created particles were responsible for reheating the universe. | background 1.00 | 0.08 | 0.03 | asserted 1.00 |
| s4 | There is a general range for the frequency of the spectrum $ \sim (0.3\times10^{-18}-0.6\times10^{10}$)Hz. | background 0.81 | 0.17 | 0.04 | asserted 0.91 |
| s5 | It is shown that the reheating temperature can be affect on the frequency of the spectrum as well. | result 0.58 | 0.33 | 0.05 | asserted 0.92 |
| s6 | There is constraint on the temperature from cosmological observations based on WMAP-9 and Planck. | background 0.87 | 0.09 | 0.03 | asserted 1.00 |
| s7 | Therefore it is interesting to estimate allowed value of frequencies of the spectrum based on general range of reheating temperature like few MeV $\lesssim T_{rh}\lesssim10^{16}$ GeV, WMAP-9 and Planck data then compare the spectrum with sensitivity of future detectors such as LISA, BBO and ultimate-DECIGIO. | contribution 0.54 | 0.71 | 0.17 | asserted 0.35 |
| s8 | The obtained results of this comparison give us some more chance for detection of the relic gravitational waves. | interpretation 0.88 | 0.87 | 0.81 | hedged possibility 0.56 |
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Original abstract
The generated relic gravitational waves were underwent several stages of evolution of the universe such as inflation and reheating. These stages were affected on the shape of spectrum of the waves. As well known, at the end of inflation, the scalar field $\phi$ oscillates quickly around some point where potential $V(\phi)=\lambda \phi^{n}$ has a minimum. The end of inflation stage played a crucial role on the further evolution stages of the universe because particles were created and collisions of the created particles were responsible for reheating the universe. There is a general range for the frequency of the spectrum $ \sim (0.3\times10^{-18}-0.6\times10^{10}$)Hz. It is shown that the reheating temperature can be affect on the frequency of the spectrum as well. There is constraint on the temperature from cosmological observations based on WMAP-9 and Planck. Therefore it is interesting to estimate allowed value of frequencies of the spectrum based on general range of reheating temperature like few MeV $\lesssim T_{rh}\lesssim10^{16}$ GeV, WMAP-9 and Planck data then compare the spectrum with sensitivity of future detectors such as LISA, BBO and ultimate-DECIGIO. The obtained results of this comparison give us some more chance for detection of the relic gravitational waves.
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The parameter $r$ taken $∼0.1$ from Planck collaboration [ref] .
Planck 2013 results. XVI. Cosmological parameters · Gravitational waves spectrum in expanding universe · 1.00
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