Tag Archives: Unruh effect

LOG#144. Basic QFT in curved ST(IV): the Unruh effect.

Posted on by September 9, 2019
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What is the Unruh effect? Description: any accelerated observer in the traditional Minkovski state OBSERVE a thermal spectrum of particles. When we refer to the accelerated observer, usually it is called the Rindler observer in the literature as well. In … Continue reading →

LOG#143. Basic QFT in curved ST(III).

Posted on by September 9, 2019
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We are now ready to go back to curved spacetime in the IN/OUT formalism! We have Indeed, where when we get particles from gravity! The particle density reads For instance, in a Friedmann-Robertson-Walker metric (FRW universe) we obtain where is … Continue reading →