Signatures in the Planck regime
By Sabine Hossenfelder, M. Bleicher, S. Hofmann, Jörg Ruppert, Stefan Scherer, H. Stöcker. 2003
271 citations recorded by the source corpus.
Abstract String theory suggests the existence of a minimum length scale. An exciting quantum mechanical implication of this feature is a modification of the uncertainty principle. In contrast to the conventional approach, this generalised uncertainty principle does not allow to resolve space–time distances below the Planck length. In models with extra dimensions, which are also motivated by string theory, the Planck scale can be lowered to values accessible by ultra high energetic cosmic rays ( UHECR s) and by future colliders, i.e., Mf≈ 1 TeV. It is demonstrated that in this novel scenario, short distance physics below 1/Mf is completely cloaked by the uncertainty principle. Therefore, Planckian effects could be the final physics discovery at future colliders and in UHECR s. As an application, we predict the modifications to the e+e−→f+f− cross-sections.
Subfields: History and Philosophy of Science, Physiology, Political Science and International Relations
View Paper: https://www.semanticscholar.org/paper/3a34bcd01a4f67915cbd92cd78dfebb26245b744
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Citations in the corpus
- Minimal Length Scale Scenarios for Quantum Gravity (2012, methodology): “One recurring theme in these models is the suppression of phase space at high energies [167], which is a direct consequence of the modified measure in momentum space.”
- The effects of minimal length and maximal momentum on the transition rate of ultra cold neutrons in gravitational field (2011, background): “So, if we are interested in to incorporate the idea of minimal length, we need to modify the Heisenberg uncertainty principle to the so-called Generalized Uncertainty Principle (GUP) [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16].”