Figure 3
From: Thermal noise in BEC-phononic gravitational wave detectors
Optimal bound for the strain sensitivity as provided by the QFI vs frequency for \(\pmb{t=10}\) , \(\pmb{n=1}\) , \(\pmb{m=2}\) , \(\pmb{T=0}\) (blue, solid), \(\pmb{T=150~\mbox{nK}}\) (red, dashed), \(\pmb{m=6}\) , \(\pmb{T=0}\) (black, solid), \(\pmb{T=150~\mbox{nK}}\) (green, dotted) and (a) \(\pmb{r=5}\) , (b) \(\pmb{r=7}\) , (c) \(\pmb{r=9}\) .