Hot string soup: Thermodynamics of strings near the Hagedorn transition

Above the Hagedorn energy density closed fundamental strings form a long string phase. The dynamics of weakly interacting long strings is described by a simple Boltzmann equation which can be solved explicitly for equilibrium distributions. The averge total number of long strings grows logarithmical...

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Bibliographic Details
Published in:Physical review. D, Particles and fields Particles and fields, 1995-01, Vol.51 (2), p.665-670
Main Authors: Lowe, DA, Thorlacius, L
Format: Article
Language:English
Subjects:
661300 > Other Aspects of Physical Science-- (1992-)
BOLTZMANN EQUATION
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
COMPOSITE MODELS
DIFFERENTIAL EQUATIONS
DISTRIBUTION
DYNAMICS
ENERGY DENSITY
EQUATIONS
EQUILIBRIUM
EXTENDED PARTICLE MODEL
MATHEMATICAL MODELS
MECHANICS
PARTIAL DIFFERENTIAL EQUATIONS
PARTICLE MODELS
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
QUARK MODEL 662110 > General Theory of Particles & Fields-- Theory of Fields & Strings-- (1992-)
STRING MODELS
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Summary:Above the Hagedorn energy density closed fundamental strings form a long string phase. The dynamics of weakly interacting long strings is described by a simple Boltzmann equation which can be solved explicitly for equilibrium distributions. The averge total number of long strings grows logarithmically with total energy in the microcanonical ensemble. This is consistent with calculations of the free single string density of states provided the thermodynamic limit is carefully defined. If the theory contains open strings the long string phase is suppressed.
ISSN:0556-2821
1089-4918
DOI:10.1103/PhysRevD.51.665