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Larger new dimensions and quantum gravity around the corner
Prof. Nima Arkani-Hamed discusses a recent alternative approach to the question: Why is gravity so weak compared to the other forces? In the new picture, the nature of gravity and space itself is modified by invoking the existence of large new spatial dimensions, perhaps as big as a millimeter in size. This allows gravity to unite with the other interactions near 10[̂17] cm, nullifying the stability crisis and predicting that quantum gravitational physics, such as the production of strong gravitational radiation, black holes and perhaps string excitations, will be accessible to the next generation of particle accelerators. The large space in the new dimensions provide a new arena in which to tackle other outstanding mysteries, such as the origin of quark, lepton and neutrino masses, proton stability, the nature of dark matter and very early universe cosmology.
- "Prof. Nima Arkani-Hamed discusses a recent alternative approach to the question: Why is gravity so weak compared to the other forces? In the new picture, the nature of gravity and space itself is modified by invoking the existence of large new spatial dimensions, perhaps as big as a millimeter in size. This allows gravity to unite with the other interactions near 10[̂17] cm, nullifying the stability crisis and predicting that quantum gravitational physics, such as the production of strong gravitational radiation, black holes and perhaps string excitations, will be accessible to the next generation of particle accelerators. The large space in the new dimensions provide a new arena in which to tackle other outstanding mysteries, such as the origin of quark, lepton and neutrino masses, proton stability, the nature of dark matter and very early universe cosmology."@en
- "Conference papers and proceedings"@en
- "Larger new dimensions and quantum gravity around the corner"@en