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# Alfred Mueller

### Profile

**Education:**

Ph.D., M.I.T., 1965

My current research centers on the properties of QCD systems at very high density. Such systems occur in high-energy heavy ion collisions and are also measured in high-energy (small x) deep inelastic lepton-proton scattering. Topics I have been particularly interested in are: (i) The relationship between unitarity limits and parton density limits (saturation); (ii) The maximal allowed occupation numbers for quarks and gluons in an hadronic wavefunction; (iii) First principles calculation of the approach to equilibration using a Boltzmann equation or(equivalently) classical Yang-Mills equations; (iv) The relationship between the factorial divergence of the QCD perturbation series and high field strength configurations. (v) The relationship between saturation phenomena in QCD and the reaction-diffusion processes in statistical physics.

For a complete listing of publications see Spires.

"QCD in Nuclear Collisions," Nucl. Phys. **A715** (2003) 20c.

"Small-x Physics beyond the Kovchegov Equation" (with A.I. Shoshi) Nucl. Physics **B692** (2004) 175.

"On the Equivalence between the Boltzmann Equation and Classical Field Theory at Large Occupation Numbers" (with D. Son), Phys. Lett. **B582** (2004) 279.

"Universal Behavior of QCD Amplitudes at High Energy from General Tools of Statistical Physics" (with E. Iancu and S. Munier, hep-ph/0410018).