Questions tagged [entropy]

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Time & The Big Bang [duplicate]

What are the arguments against a perpetual universe, i.e. one that expands from a singularity, like we observe with ours, then suffers from terminal entropy, collapses back upon itself before reaching ...
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2 votes
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How String Theory calculates the Entropy of the Black Hole in a Background dependent way?

How does string theory get an agreement to the Hawking-Bekenstein equations to calculate the quantum entropy of a black hole in a background dependent way? Is there any sort of area parameter in ...
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Will the Heat Death scenario ever occur or just the Big Freeze?

According to the Wikipedia page regarding the ultimate fate of the universe, heat death is a different scenario than the big freeze. It states that in the big freeze, temperature will asymptotically ...
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3 votes
2 answers
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Are there predictions of the distribution of matter at the end of time

Are there any theoretical predictions or "educated speculation" by cosmologists on how matter will be distributed at very, very distant times in the future? For example, will matter be: agglutinated ...
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3 votes
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Bousso bound within particle horizon, discrete Q.field theory

I have 2 questions: Could you please give me arxiv numbers of papers dealing with the Bousso bound for the particle horizon (known Universe), from masters level upwards, with also some papers a bit ...
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How entropy increases over time [closed]

According to 2nd law of thermodynamic, in an isolated system entropy increases over tume. In an open system entropy might seems decreases but combined result of all related events results in overall ...
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