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Norman H Christ

Ephraim Gildor Professor
911 Pupin Hall, MC 5213, Box 13
538 W 120 St
New York , NY 10027


Phone
work: 212-854-8138
work: 212-854-3307
fax: 212-932-3169


Email
nhc(at)phys.columbia.edu

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Norman H Christ
Ephraim Gildor Professor
Columbia University

Theoretical Physics

URL: http://phys.columbia.edu/~cqft/

Biography

EDUCATION:

B.A. 1965, Columbia University
Ph.D. 1966, Columbia University

RESEARCH:

My current interests focus on the physics of the strong interactions at low energies, especially the phenomena of quark confinement and the spontaneous chiral magnetization of the vacuum. Because of the strongly nonlinear interactions among the underlying quarks and gluons these phenomena cannot be successfully treated using normal perturbation theory. My current research uses a discrete or lattice version of relativistic field theory to address these questions. In addition to providing new theoretical insights into continuum quantum field theory, lattice field theory allows the direct, systematic calculation of these nonperturbative phenomena. In particular, it is possible to predict many of the properties of systems of quarks and gluons, such as the masses and matrix elements of the strongly interacting particles (the proton, pion, rho, lambda, K, D, B, etc.) and the temperature and characteristics of the transition between normal hadronic matter and the quark-gluon plasma. In the future, we hope to be able to use similar techniques and the insight gained into the workings of nonabelian gauge theory to study weak interaction symmetry breaking and the Higgs-W-Z system.

At present we are carrying out a variety of these QCD calculations using a dedicated, 400-Gigaflops, parallel supercomputer completed here in the spring of 1998 and a 600-Gigaflops sister machine of the same design that we finished at Brookhaven in the summer of 1998. Together, these two machines provide state-of-the-art resources for numerical studies of quantum field theory.

SELECTED PUBLICATIONS:

"Toward the Chiral Limit of QCD: Quenched and Dynamical Domain Wall Fermions", Ping Chen, Norman Christ, George Fleming, Adrian Kaehler, Catalin Malureanu, Robert Mawhinney, Gabriel Siegert, ChengZhong Sui, Pavlos Vranas and Yuri Zhestkov.

"Status of the QCDSP Project", Dong Chen, Ping Chen, Norman Christ, Robert Edwards, George Fleming, Alan Gara, Sten Hansen, Chulwoo Jung, Adrian Kaehler, Anthony Kennedy, Gregory W. Kilcup, Yubing Luo, Catalin Malureanu, Robert Mawhinney, John Parsons, ChengZhong Sui, Pavlos Vranas and Yuri Zhestkov.

"Dynamical QCD Thermodynamics with Domain Wall Fermions", Ping Chen, Norman Christ, George Fleming, Adrian Kaehler, Catalin Malureanu, Robert Mawhinney, Gabriel Siegert, ChengZhong Sui, Pavlos Vranas and Yuri Zhestkov.

"Anomalous Chiral Symmetry Breaking above the QCD Phase Transition", Shailesh Chandrasekharan, Dong Chen, Norman Christ, Weonjong Lee, Robert Mawhinney and Pavlos Vranas.

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