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Physics Colloquium, February 1, 2005"Asymptotic Freedom" and Factorization in Strongly-Interacting AtomsEric BraatenDepartment of Physics, The Ohio State UniversityThe 2004 Nobel Prize in Physics was awarded for the discovery of asymptotic freedom in QCD. Most of the experimental evidence that QCD describes the strong force exploits asymptotic freedom by using factorization - expressing observables as products of short-distance factors and long-distance factors. An analog of asymptotic freedom arises in "strongly-interacting atoms" (atoms with a large scattering length), and it can also be exploited by using factorization. I will explain how factorization can be applied to problems at the forefront of cold atom physics and in nuclear physics as well. 3.30 p.m., Smith Laboratory, Room 1005Refreshments served in Smith 1094 at 3:00 p.m. |
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