Finite-size scaling behavior in the O(4) model

Finite-size scaling behavior in the O(4) model

The exact nature of the QCD phase transition has still not been determined conclusively, and there are contradictory results from lattice QCD simulations about the scaling behavior for two quark flavors. Ultimately, this issue can be resolved only by a careful scaling and finite-size scaling analysi...

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Veröffentlicht in:The European physical journal. C, Particles and fields Particles and fields, 2009-10, Vol.63 (3), p.443-460
Hauptverfasser: Braun, Jens, Klein, Bertram
Format: Artikel
Sprache:eng
Schlagworte:
Astronomy
Astrophysics and Cosmology
Computer simulation
Elementary Particles
Exact sciences and technology
Flavor (particle physics)
Hadrons
Heavy Ions
Lattices
Mathematical models
Measurement Science and Instrumentation
Nuclear Energy
Nuclear Physics
Phase boundaries
Phase transformations
Phase transitions
Physics
Physics and Astronomy
Quantum chromodynamics
Quantum Field Theories
Quantum Field Theory
Quarks
Regular Article - Theoretical Physics
Scaling
String Theory
The physics of elementary particles and fields
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Zusammenfassung:The exact nature of the QCD phase transition has still not been determined conclusively, and there are contradictory results from lattice QCD simulations about the scaling behavior for two quark flavors. Ultimately, this issue can be resolved only by a careful scaling and finite-size scaling analysis of the lattice results. We use a renormalization group approach to obtain finite-size scaling functions for the O (4) model, which are relevant for this analysis. Our results are applicable to lattice QCD studies of the QCD phase boundary.
ISSN:1434-6044
1434-6052
DOI:10.1140/epjc/s10052-009-1098-8