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The law of conservation of energy, which states that the amount of energy in a system is constant. For questions about Earth's environment, see the climate-science tag instead.

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Dark energy and conservation of energy in General relativity [duplicate]

i know that conservation of energy in general relativity has been discussed multiple times here at PE, a popular explanation on the topic is Sean Carroll's blog "Energy is not conserved" where he expl …
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Different types of Dark energy and conservation of energy

According to this Sean Carroll article, and other threads in here, depending on your definition of energy, dark energy does not violate conservation of energy. My question is if this is true regardle …
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Energy conservation in string theory?

From what i understand string theory usually lives in a Minkowski Spacetime or AdS spacetime. In Minkowski Spacetime conservation of energy is usually very straightforward, is this also the case in st …
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Is energy only conserved statistically in quantum mechanics?

I know that a system's energy can be measured with an energy that can be below or above the expectation value, if the system was not in an energy eigenstate, so that energy is only conserved on averag …
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