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Feb
12
comment Will the photon wavelength fluctuate in the presence of a gravitational wave?
@CuriousOne If the wavelength fluctuates in pace with the space, then the optical path will remain constant in unit of wavelength, and so the gravitational wave will not be observed from the interference experiment.
Feb
12
comment Will the photon wavelength fluctuate in the presence of a gravitational wave?
@CuriousOne Thanks! But I think we are addressing different issues. Let's say the spacetime is a rubber sheet which will expand as the universe inflates, and stretch and squeeze in the presence of a gravitational wave. In the former case, the wavelengths of radiations get longer as the rubber band stretches. But in the latter case, will the wavelength of a laser follow the deformation of the rubber sheet?
Feb
12
asked Will the photon wavelength fluctuate in the presence of a gravitational wave?
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accepted What is the Laughlin argument?
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accepted Incoherent assumption of the parton model
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asked Incoherent assumption of the parton model
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accepted Proof of quantization of magnetic charge of monopoles using homotopy groups
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accepted Can I integrate out the fermion field that is not gapped?
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accepted Lagrangian for Goldstone mode + topological excitation