University of Illinois Urbana-Champaign

Dense matter in effective meson theories

Walhout, Timothy Simon

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Description

Title
Dense matter in effective meson theories
Author(s)
Walhout, Timothy Simon
Issue Date
1989
Doctoral Committee Chair(s)
Wyld, H.W.
Department of Study
Physics
Discipline
Physics
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
  • Physics, Nuclear
  • Physics, Elementary Particles and High Energy
Language
eng
Abstract
  • In the limit of a large number of colors, quantum chromodynamics is thought to reduce to a theory in which mesons are the relevant degrees of freedom. Baryons emerge as topological solitons in such theories. Nucleon properties are well reproduced within these models--the agreement with experiment improving with the complexity of the theory.
  • In this thesis, properties of dense matter are studied within such meson theories. Techniques are presented which reduce the calculation to finding the effective hamiltonian describing the motion of a single soliton in the cell formed by its neighbors. Thermodynamic quantities for systems which model low temperature liquid and solid phases of dense matter are calculated.
  • The implications of the equation of state of dense neutron matter for neutron star structure are calculated. The transition to a new phase marked by chiral symmetry restoration is studied. Evidence is given which indicates that this corresponds to the expected transition to deconfined quark matter at high baryon density. Comparison to more conventional treatment of dense matter is made throughout.
Type of Resource
text
Permalink
http://hdl.handle.net/2142/19571
Copyright and License Information
Copyright 1989 Walhout, Timothy Simon

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