B Term for an end state of expansion?

AI Thread Summary
The discussion centers on identifying a term for a hypothetical end state of the universe following an expansion similar to the Big Bang. Participants suggest "heat death" as the appropriate term, which refers to a state where all elemental particles are so distant that they no longer interact, resulting in a cold and immobile universe. The concept implies a final, thermodynamic equilibrium where energy is uniformly distributed. A link to a general article on the heat death of the universe is provided for further reading. The term effectively captures the envisioned scenario of ultimate cosmic isolation.
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Do physicists have a name for the opposite of a singularity?
Whereas a singularity is everything together, is there a name for a proposed end state after a Big Bang or something similar? Is there a name for that situation (hypothetical or not) where each elemental particle is so far from every other elemental particle that nothing affects anything anymore, and we have a cold, dead, immobile (?) state?

Thanks.
 
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'Heat death'.
 
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Thank you both. That is exactly what I was looking for.
 
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