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![Thermodynamics of the Rh=ct Universe: a simplification of cosmic entropy](https://www.mbrl.ae/o/mbrl-theme/images/site-assets/generic/no-book-image.png)
Thermodynamics of the Rh=ct Universe: a simplification of cosmic entropy
بواسطة
Melia, Fulvio
في
Astronomical models
/ Astronomy
/ Astrophysics and Cosmology
/ Big bang cosmology
/ Cosmology
/ Decoupling
/ Elementary Particles
/ Entropy
/ Hadrons
/ Heavy Ions
/ Horizon
/ Measurement Science and Instrumentation
/ Nuclear Energy
/ Nuclear Physics
/ Physics
/ Physics and Astronomy
/ Quantum Field Theories
/ Quantum Field Theory
/ Regular Article – Theoretical Physics
/ String Theory
/ Thermodynamics
/ Universe
2021
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Thermodynamics of the Rh=ct Universe: a simplification of cosmic entropy
بواسطة
Melia, Fulvio
في
Astronomical models
/ Astronomy
/ Astrophysics and Cosmology
/ Big bang cosmology
/ Cosmology
/ Decoupling
/ Elementary Particles
/ Entropy
/ Hadrons
/ Heavy Ions
/ Horizon
/ Measurement Science and Instrumentation
/ Nuclear Energy
/ Nuclear Physics
/ Physics
/ Physics and Astronomy
/ Quantum Field Theories
/ Quantum Field Theory
/ Regular Article – Theoretical Physics
/ String Theory
/ Thermodynamics
/ Universe
2021
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![Thermodynamics of the Rh=ct Universe: a simplification of cosmic entropy](https://www.mbrl.ae/o/mbrl-theme/images/site-assets/generic/no-book-image.png)
Thermodynamics of the Rh=ct Universe: a simplification of cosmic entropy
بواسطة
Melia, Fulvio
في
Astronomical models
/ Astronomy
/ Astrophysics and Cosmology
/ Big bang cosmology
/ Cosmology
/ Decoupling
/ Elementary Particles
/ Entropy
/ Hadrons
/ Heavy Ions
/ Horizon
/ Measurement Science and Instrumentation
/ Nuclear Energy
/ Nuclear Physics
/ Physics
/ Physics and Astronomy
/ Quantum Field Theories
/ Quantum Field Theory
/ Regular Article – Theoretical Physics
/ String Theory
/ Thermodynamics
/ Universe
2021
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Thermodynamics of the Rh=ct Universe: a simplification of cosmic entropy
![Thermodynamics of the Rh=ct Universe: a simplification of cosmic entropy](https://syndetics.com/index.aspx?isbn=/mc.gif&issn=1434-6044&client=MBRL&type=mbrl)
Journal Article
Thermodynamics of the Rh=ct Universe: a simplification of cosmic entropy
2021
اطلب الآن
واختر طريقة الاستلام
نظرة عامة
In the standard model of cosmology, the Universe began its expansion with an anomalously low entropy, which then grew dramatically to much larger values consistent with the physical conditions at decoupling, roughly 380,000 years after the Big Bang. There does not appear to be a viable explanation for this ‘unnatural’ history, other than via the
generalized
second law of thermodynamics (GSL), in which the entropy of the bulk,
S
bulk
, is combined with the entropy of the apparent (or gravitational) horizon,
S
h
. This is not completely satisfactory either, however, since this approach seems to require an inexplicable equilibrium between the bulk and horizon temperatures. In this paper, we explore the thermodynamics of an alternative cosmology known as the
R
h
=
c
t
universe, which has thus far been highly successful in resolving many other problems or inconsistencies in
Λ
CDM. We find that
S
bulk
is constant in this model, eliminating the so-called initial entropy problem simply and elegantly. The GSL may still be relevant, however, principally in selecting the arrow of time, given that
S
h
∝
t
2
in this model.
الناشر
Springer Berlin Heidelberg,Springer Nature B.V
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