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Lattice Quantum ChromoDynamics with approximately chiral fermions

Hierl, Dieter (2008) Lattice Quantum ChromoDynamics with approximately chiral fermions. PhD, Universität Regensburg.

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Date of publication of this fulltext: 16 Jul 2008 16:28

Abstract (English)

In this work we present Lattice QCD results obtained by approximately chiral fermions. We use the CI fermions in the quenched approximation to investigate the excited baryon spectrum and to search for the Theta^+ pentaquark on the lattice. Furthermore we developed an algorithm for dynamical simulations using the FP action. Using FP fermions we calculate some LECs of chiral perturbation theory applying the epsilon expansion.

Translation of the abstract (German)

In dieser Arbeit zeigen wir Gitter QCD Ergebnisse, die mit fast chiralen Fermionen erzielt worden sind. Wir benutzten CI Fermionen in der quenched Näherung, um das angeregte Baryonenspektrum zu untersuchen und nach dem Theta^+ Pentaquark zu suchen. Des Weiteren entwickelten wir einen Algorithmus für dynamische Simulationen, in denen wir die FP Wirkung verwenden konnten. Wir benutzten dann die FP ...

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Item type:Thesis of the University of Regensburg (PhD)
Date:15 July 2008
Referee:Prof. Dr. Andreas Schäfer
Date of exam:27 June 2008
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Schäfer > Group Andreas Schäfer
Keywords:Quantenchromodynamik , Chirale Störungstheorie , Propagator , Chirale Gittereichtheorie , Dirac-Operator , , epsilon-regime , conserved currents , all-to-all propagator , low mode averaging
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:10766
Owner only: item control page

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