An Introduction to Field Theory on the Lattice: ab initio calculations of hadrons from quarks

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An Introduction to Field Theory on the Lattice: ab initio calculations of hadrons from quarks

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An Introduction to Field Theory on the Lattice: ab initio calculations of hadrons from quarks

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- Kazuyuki Kanaya
- Inst. of Physics, Univ. of Tsukuba
- kanaya@rccp.tsukuba.ac.jp

2003/12 Nagoya (C)

- Summary
- Lattice QCD:non-perturbative definition of QCD
- ab initio calculations of hadronic properties

- => proof of QCD, determination of fundamental parameters
- => prediction of QCD: HME's, QGP, ...
- <=> matrix models, quantum gravity, NC, ...
- <= theoretical developments
- (improvement, chiral fermions, ...)

- <= theoretical developments
- <= technical developments
- (algorithms, vectorization, parallelization, ...)

- (super/parallel computers, clusters, grid, ...)

As the most intensive power user, LQCD have been crucially

contributed the development of vector and parallel computers.

Computers dedicated for LQCD

- QCDOC 20TFLOPS
- apeNEXT
- PC clusters

CP-PACS

QCDSP

APE-100

QCDPAX

Columbia

APE

APEmille

- Lattice QCD Archive
- http://www.lqa.rccp.tsukuba.ac.jp/

- Grid-based Archive for LQCD.
- CP-PACS Nf=2 configurations.
- Will open around end of Dec. 2003.
- This Archive is a part of

Search engine by M. Sato @ CCP, Tsukuba

- International Lattice Data Grid
- http://www.lqcd.org/ildg/tiki-index.php

- Intern'l initiative to create a Data Grid for LQCD.
- Current members: UK, USA, Japan, Germany
- Now working on middleware and metadata formats => step by step 2004–