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QCD thermodynamics with two flavors at N sub t =6

Journal Article · · Physical Review, D (Particles Fields); (United States)
;  [1];  [2];  [3]; ;  [4];  [5];  [6]
  1. Department of Physics, Washington University, St. Louis, Missouri 63130 (United States)
  2. Department of Physics, University of Colorado, Boulder, Colorado 80309 (United States)
  3. Department of Physics, University of Utah, Salt Lake City, Utah 84112 (United States)
  4. Department of Physics, Indiana University, Bloomington, Indiana 47405 (United States)
  5. Department of Physics, University of California, Santa Barbara, California 93106-9530 (United States)
  6. Department of Physics, University of Arizona, Tucson, Arizona 85721 (United States)
+ Show Author Affiliations

The first results of numerical simulations of quantum chromodynamics on the Intel iPSC/860 parallel processor are presented. We performed calculations with two flavors of Kogut-Susskind quarks at {ital N}{sub {ital t}}=6 with masses of 0.15{ital T} and 0.075{ital T} (0.025 and 0.0125 in lattice units) in order to locate the crossover from the low-temperature regime of ordinary hadronic matter to the high-temperature chirally symmetric regime. As with other recent two-flavor simulations, these calculations are insufficient to distinguish between a rapid crossover and a true phase transition. The phase transition is either absent or feeble at this quark mass. An improved estimate of the crossover temperature in physical units is given and results are presented for the hadronic screening lengths in both the high- and low-temperature regimes.

DOE Contract Number:
AC02-84ER40125; FC05-85ER25000; FG02-85ER40213
OSTI ID:
7106708
Journal Information:
Physical Review, D (Particles Fields); (United States), Journal Name: Physical Review, D (Particles Fields); (United States) Vol. 45:10; ISSN PRVDA; ISSN 0556-2821
Country of Publication:
United States
Language:
English

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Related Subjects

662110* -- General Theory of Particles & Fields-- Theory of Fields & Strings-- (1992-)
662120 -- General Theory of Particles & Fields-- Symmetry
Conservation Laws
Currents & Their Properties-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
CHIRAL SYMMETRY
COMPOSITE MODELS
COMPUTERIZED SIMULATION
CORRELATION FUNCTIONS
ELEMENTARY PARTICLES
FERMIONS
FIELD THEORIES
FLAVOR MODEL
FUNCTIONS
LATTICE FIELD THEORY
MASS
MATHEMATICAL MODELS
MATHEMATICS
MOLECULAR MODELS
NUMERICAL ANALYSIS
PARTICLE MODELS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
POSTULATED PARTICLES
PROBABILITY
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
QUARK MODEL
QUARKS
RENORMALIZATION
SIMULATION
SYMMETRY
THERMODYNAMIC PROPERTIES