Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas
303 | AMA | February 2025
Sean Carroll
If our universe continues to expand and has a positive cosmological constant and lasts that way forever, we will enter the de Sitter vacuum state, and that has a non-zero temperature. So we say that Minkowski space, that is to say space-time without a cosmological constant, it has its vacuum state. and its temperature is zero.
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