Lattice QCD results from the CP-PACS computer |
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| Affiliation: | 1. Department of Psychology, University of Michigan, Ann Arbor, MI, United States of America;2. Department of Human Development and Family Studies, Auburn University, Auburn, AL, United States of America;3. Department of Psychology, University of Notre Dame, Notre Dame, IN, United States of America;4. Department of Psychology, Friedrich-Alexander University, Erlangen, Germany;2. Department of Neonatology, Research and Practice Hospital, Ataturk University, Erzurum, Turkey |
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| Abstract: | We present physics results from large-scale simulations of Quantum Chromodynamics (QCD) on the space-time lattice carried out with the CP-PACS computer. The CP-PACS is a massively parallel system with a peak speed of 614 Gflops and 320 Gbyte of main memory developed at the Center for Computational Physics, University of Tsukuba.Since the start of full operation of CP-PACS in October 1996, precision calculation of the light hadron spectrum in the quenched approximation of QCD and a systematic attempt at a calculation without this approximation have been pursued. Physics motivations of these calculations, the computational difficulties,and advances brought in by the CP-PACS are discussed. Performance of the CP-PACS for lattice QCD computations are described in a companion paper by S. Aoki et al. |
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