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arXiv 2004.01524gr-qchep-th
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Unimodular gauge fixing in general relativity revisited

Renata Jora

英文摘要:

We study a slight variation of the unimodular gauge condition which we call "the derivative gauge condition". We show that at the classical level these conditions are completely equivalent up to a surface term. At the quantum level the derivative gauge condition can be easily implemented by analogy with gauge fixing in a quantum gauge theory. This condition might have advantages and disadvantages upon the context.

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