Friedmann Equations From The Einstein Field Equations | Friedmann Equations Derivation | FLRW Metric @DietterichLabs
Friedmann Equations From The Einstein Field Equations | Friedmann Equations Derivation | FLRW Metric @DietterichLabs
Uploaded May 2018 | Updated September 2026, 4 days ago
In this video, I give a detailed derivation of the Friedmann Equations From the EFE. It is complete and step by step.


Superfluid Helium Resonance Experiment video:
youtu.be/unUNQNmuvUQ

Quantum Field Theory Lecture Series:
youtube.com/playlist?list=PLSpklniGdSfSsk7BSZjONcfhRGKNa2uou

Note:
I used the opposite to normal sign convention for the Cosmological constant. As strange as it is, this is actually standard for this specific problem. Based on the comments, this seems to have caused some confusion.
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Friedmann Equations From The Einstein Field Equations | Friedmann Equations Derivation | FLRW Metric

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