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期刊论文
Lightcone fluctuations in quantum gravity and extra dimensions
Physics Letters B 496 (2000) 107-112，-0001，（）：
We discuss how compactified extra dimensions may have potentially observable effects which grow as the compactification scale decreases. This arises because of lightcone fluctuations in the uncompactified dimensions which can result in the broadening of the spectral lines from distant sources. We analyze this effect in a five dimensional model, and argue that data from gamma ray burst sources require the compactification length to be greater than about 105cm in this model.
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