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1 year ago in Physics By Mohit

Why is it difficult to define gravitons in curved spacetime?

Why is it challenging to define gravitons in a curved spacetime background?

     

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By Lilith Answered 4 months ago


Gravitons are defined as perturbations around flat spacetime. In a general curved manifold, separating background geometry from fluctuations becomes ambiguous. This complicates quantum gravity and highlights limitations of particle-based descriptions.

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