New probes of initial state of quantum fluctuations during inflation
New probes of initial state of quantum fluctuations during inflation
New probes of initial state of quantum fluctuations during inflation
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• The Bunch-Davies vacuum: uk’ ~ ηe –ikη (positive frequency mode)<br />
• The integral yields 1/(k1+k2+k3) -> 1/(2k1) in the squeezed limit<br />
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