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Results tagged with energy
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user 177050
Energy is the conserved quantity associated to time-translation invariance and represents the work a system is capable of doing. Use this tag for questions about energy, and consider adding the [energy-conservation] tag if it is specifically about its conservation.
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Vacuum energy density equation clarification
The vacuum energy for a free field is the ground state energy of each field oscillator, ${1\over 2} \omega$, summed over all the modes. …
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