Thermodynamics with density and temperature dependent particle masses and properties of bulk strange quark matter and strangelets

Abstract

Thermodynamic formulas for investigating systems with density and/or temperature dependent particle masses are generally derived from the fundamental derivation equality of thermodynamics. Various problems in the previous treatments are discussed and modified. Properties of strange quark matter in bulk and strangelets at both zero and finite temperature are then calculated based on the new thermodynamic formulas with a new quark mass scaling, which indicates that low mass strangelets near beta equilibrium are multi-quark states with an anti-strange quark, such as the pentaquark (u^2d^2\bar{s}) for baryon nmber 1 and the octaquark (u^4d^3\bar{s}) for dibaryon etc.

14 pages, 12 figures, Revtex4 style

References in corpus (3)

• Chiral Condensates in Quark and nuclear Matter
• Chiral condensates and size of the sigma term
• A new treatment of the in-medium chiral condensates

Cited by in corpus (6)

• Deconfinement phase transition in hybrid neutron stars from the Brueckner theory with three-body forces and a quark model with chiral mass scaling
• A consistent thermodynamic treatment for quark mass density-dependent model
• Charge, strangeness and radius of strangelets
• Improved quark mass density- dependent model with quark-sigma meson and quark-omega meson couplings
• Quark deconfinement phase transition for improved quark mass density-dependent model
• Color-flavor locked strangelets in a quark mass density-dependent model