Fig. 5: Comparing the measured power spectrum with that of the CMB. | Nature Communications

Fig. 5: Comparing the measured power spectrum with that of the CMB.

From: Analogue cosmological particle creation in an ultracold quantum fluid of light

Fig. 5: Comparing the measured power spectrum with that of the CMB.The alternative text for this image may have been generated using AI.

a The static structure factor for τ  > 0. The wavenumbers are normalized such that unity can be compared with the first peak of the CMB spectrum in (b). b The power spectrum of temperature fluctuations in the CMB, as a function of multipole number, from Ref. 36.

Back to article page