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gr-qc2011★ 39 cited
Comment on [arXiv:1106.1417] "Small Lorentz violations in quantum gravity: do they lead to unacceptably large effects?"
Joseph Polchinski
A recent paper by Gambini, Rastgoo and Pullin [arXiv:1106.1417 investigates the important issue of constraints from Lorentz invariance on Planck scale physics, arguing that the cla…
gr-qc2007★ 89 cited
Cosmic String Structure at the Gravitational Radiation Scale
Joseph Polchinski, Jorge V. Rocha
We use our model of the small scale structure on cosmic strings to develop further the result of Siemens, Olum, and Vilenkin that the gravitational radiation length scale on cosmic…