Non-topological solitons in astrophysics and cosmology

Details Non-topological solitons in astrophysics and cosmology Non-topological solitons in astrophysics and cosmology

Jan 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phdt........10h&link_type=abstract

Ph.D. Thesis Stanford Univ., CA.

Astronomy and Astrophysics

Astrophysics

Astrophysics, Cosmology, Field Theory (Physics), Quantum Chromodynamics, Solitary Waves, Neutron Stars, Nuclear Models, Pulsars, Rotating Fluids, Stellar Models, Universe

Scientific paper

When evaluating the consequences of a field theory for the early universe or for present-day astrophysics, one must consider not only the elementary particles predicted by the theory, but also extended objects. Bulk solutions to classical field theories - solitons - arise naturally in many theories, including nuclear models. In the first part of this thesis I explore the evolution of non-topological solitons in the early universe, with application to the QCD phase transition. In the second part I examine a non-topological soliton model of neutron stars - the Q-star model - and restrict the model parameters from the existence of the fast pulsar and rotating fluid stability considerations.

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