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Physics and Astronomy

(2)

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Working Paper

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Cambridge Open Engage

(2)

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Carnot engine

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2 results in Keywords: Carnot engine

Physics and Astronomy

The Hubble Sphere as an Extremal Reissner-Nordström Black Hole Carnot Engine Operating at the CMB Temperature of: T_cmb=Sqrt(T_max*T_min)≈ 2.725K

Version 1 posted 06 March 2025

13

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by Cambridge Open Engage

Physics and Astronomy

Hubble Parameters from the Geometric mean Approach Tcmb,t = Sqr(Tmax*Tmin,t), the Link to The Hawking Temperature and The Planck Scale

Version 1 posted 12 April 2025

6

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by Cambridge Open Engage