The Accuracy, Consistency, and Speed of an Electron-Positron Equation of State Based on Table Interpolation of the Helmholtz Free Energy

By Francis Timmes, F. Swesty. 2000

658 citations recorded by the source corpus.

Subfields: Astronomy and Astrophysics, Atomic and Molecular Physics, and Optics, Statistical and Nonlinear Physics

View Paper: https://www.semanticscholar.org/paper/dadf7bf999b7ea8676615a2dd277b5c7068151a5

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Citations in the corpus

r-PROCESS LANTHANIDE PRODUCTION AND HEATING RATES IN KILONOVAE (2015, methodology): “The entropy is calculated from the NSE distribution using a modified version of the Helmholtz equation of state (EOS) based on Timmes & Swesty (2000).”
Stellar ages and masses in the solar neighbourhood: Bayesian analysis using spectroscopy and Gaia DR1 parallaxes (2018, methodology): “The equations of state are taken from Rogers & Nayfonov (2002), Saumon et al. (1995) and Timmes & Swesty (2000).”
Shock Breakout in Core-Collapse Supernovae and Its Neutrino Signature (2002, methodology): “For this reason we have coupled to ourabular version of the LSEOS the Helmholtz EOS (Timmes & Arnett 1999;Timmes & Swesty 2000), which contains electrons and positrons at arbitrary degeneracy and relativity, photons, nuclei and nucleons as non-relativistic ideal gases, and Coulomb corre tions.”
NORMAL TYPE Ia SUPERNOVAE FROM VIOLENT MERGERS OF WHITE DWARF BINARIES (2012, methodology): “Modifications include the Helmholtz equation of state (Timmes & Swesty 2000) and a 13 isotope nuclear reaction network that contains all α-elements from4He to 56Ni.”
Three-dimensional simulations of core-collapse supernovae: from shock revival to shock breakout (2014, methodology): “We performed our longtime simulations with the tabulated equation of state (EoS) of Timmes & Swesty (2000) taking into account arbitrarily degenerate and relativistic electrons and positrons, photons, and a set of nuclei.”
Production of the entire range of r-process nuclides by black hole accretion disc outflows from neutron star mergers (2016, methodology): “The public version of the code has been modified to include the equation of state of Timmes & Swesty (2000) with abundances of nucleons and α particles (4He) in nuclear statistical equilibrium (NSE), angular momentum transport due to an α viscosity (Shakura & Sunyaev 1973), and the pseudo-Newtonian…”
PROGENITOR-EXPLOSION CONNECTION AND REMNANT BIRTH MASSES FOR NEUTRINO-DRIVEN SUPERNOVAE OF IRON-CORE PROGENITORS (2012, methodology): “At temperatures and densities below NSE the thermodynamics are treated by the Helmholtz-EoS of Timmes & Swesty (2000).”
MODULES FOR EXPERIMENTS IN STELLAR ASTROPHYSICS (MESA) (2010, methodology): “16 The FreeEOS code does not cover the same range of ρ and T as SCVH+OPAL+HELM but the eos module is designed with this ﬂexibility in mind: the table dimensions are speciﬁed in the table headers and the module dynamically allocates arrays of the appropriate size to hold them when the tables are read”
Mass Ejection from the Remnant of a Binary Neutron Star Merger: Viscous-radiation Hydrodynamics Study (2017, methodology): “If the value of Mmax is not as high as this value for the neutron star EOS in nature, the MNS could collapse into a black hole in a few seconds after the merger.”
FLASH: An Adaptive Mesh Hydrodynamics Code for Modeling Astrophysical Thermonuclear Flashes (2000, methodology): “As noted above, the Timmes and Helmholtz EOS routines use the 1986 recommended values of the fundamental physical constants to their published precision.”
NEUTRINO-DRIVEN WINDS IN THE AFTERMATH OF A NEUTRON STAR MERGER: NUCLEOSYNTHESIS AND ELECTROMAGNETIC TRANSIENTS (2015, methodology): “Nuclear matter description is provided by the TM1 nuclear equation of state, supplemented with electron-positron and photon contributions (Timmes & Swesty 2000; Hempel et al. 2012).”
Gravitational Waves from Axisymmetric, Rotating Stellar Core Collapse (2003, methodology): “For calculations involving lower densities, Thompson et al. (2003) have coupled the Lattimer-Swesty EOS to the Helmholtz EOS (Timmes & Arnett 1999; Timmes & Swesty 2000), which contains electrons and positrons at arbitrary degeneracy and relativity; photons, nuclei, and nucleons as nonrelativistic…”
Turbulent Convection in Stellar Interiors. I. Hydrodynamic Simulation (2006, methodology): “The Helmholtz equation of state code of Timmes & Swesty (2000) is used to represent the ion and electron pressure with an arbitrary degree of electron degeneracy.”
Phantom: A Smoothed Particle Hydrodynamics and Magnetohydrodynamics Code for Astrophysics (2017, methodology): “Details of the data, originally compiled from blends of equations of state from Saumon et al. (1995) (SCVH), Timmes & Swesty (2000), Rogers & Nayfonov (2002, also the 2005 update), Potekhin & Chabrier (2010) and for an ideal gas, are outlined by Paxton et al. (2011).”
THE LANDSCAPE OF THE NEUTRINO MECHANISM OF CORE-COLLAPSE SUPERNOVAE: NEUTRON STAR AND BLACK HOLE MASS FUNCTIONS, EXPLOSION ENERGIES, AND NICKEL YIELDS (2014, methodology): “We do not see much difference between the individual EOSs and only a small differences between the two progenitors.”