Cosmological particle creation in a hadronic fluid
arXiv:1412.3977 · doi:10.1103/PhysRevD.91.104025
Abstract
Acoustic perturbations in an expanding hadronic fluid at temperatures below the chiral transition point represent massless pions propagating in curved spacetime geometry. In comoving coordinates the corresponding analog metric tensor describes a hyperbolic FRW spacetime. We study the analog cosmological particle creation of pions below the critical point of the chiral phase transition. We compare the cosmological creation spectrum with the spectrum of analog Hawking radiation at the analog trapping horizon.
arXiv comment13 pages, 4 figures, revised to match the version published in Phys. Rev. D., section IIB rewritten, section IIIC expanded, discussion on adiabaticity expanded and clarified, three references added, results unchanged
References in corpus (44)
- Analogue Gravity
- Systematic Measurements of Identified Particle Spectra in pp, d+Au and Au+Au Collisions from STAR
- Acoustic black holes: horizons, ergospheres, and Hawking radiation
- Fiber-optical analogue of the event horizon
- Unified first law of black-hole dynamics and relativistic thermodynamics
- Anisotropic transverse flow and the quark-hadron phase transition
- The Search for the Quark-Gluon Plasma
- Freeze-out Conditions in Heavy Ion Collisions from QCD Thermodynamics
- Chemical Freeze-out and the QCD Phase Transition Temperature
- Probing semiclassical analogue gravity in Bose--Einstein condensates with widely tunable interactions
- "Cosmological" quasiparticle production in harmonically trapped superfluid gases
- Event horizons and ergoregions in 3He
- Analogue model of a FRW universe in Bose-Einstein condensates: Application of the classical field method
- Eliminating leading corrections to scaling in the 3-dimensional O(N)-symmetric phi^4 model: N=3 and 4
- Propagation of Cool Pions
- Acoustic geometry for general relativistic barotropic irrotational fluid flow
- Relativistic Bose-Einstein Condensates: a new system for analogue models of gravity
- Relativistic Acoustic Geometry
- Pion Production from Baked-Alaska Disoriented Chiral Condensate
- Pion Propagation near the QCD Chiral Phase Transition
- Real-time pion propagation in finite-temperature QCD
- Adiabatic regularization and particle creation for spin one-half fields
- Centrality dependence of hadronization and chemical freeze-out conditions in heavy ion collisions at \sqrt s_{NN} = 2.76 TeV
- Time evolution of the chiral phase transition during a spherical expansion
- Cosmological particle production in emergent rainbow spacetimes
- Particle creation and particle number in an expanding universe
- Scaling properties at freeze-out in relativistic heavy ion collisions
- Black-Hole Accretion Disc as an Analogue Gravity Model
- Acoustic horizons in axially symmetric relativistic accretion
- Dynamical Freeze-out in 3-Fluid Hydrodynamics
- Identified Hadron Production from the RHIC Beam Energy Scan
- The 3-D O(4) universality class and the phase transition in two-flavor QCD
- Chiral-symmetry restoration in the linear sigma model at nonzero temperature and baryon density
- FRW universe in the laboratory
- Space-Time Description of Scalar Particle Creation by a Homogeneous Isotropic Gravitational Field
- The Likelihood of DCC Formation
- Relating the pion decay constant to the chiral restoration temperature
- Superluminal pions in a hadronic fluid
- Particle creation in Bose--Einstein condensates: Theoretical formulation based on conserving gapless mean field theory
- A First-Quantized Formalism for Cosmological Particle Production
- Effective equation of state for a spherically expanding pion plasma
- Time dependent particle production and particle number in cosmological de Sitter space
- Trapped surfaces in a hadronic fluid
- Analogue surface gravity near the QCD chiral phase transition