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8 papers · 1 filter
Core-Collapse Times of Two-Component Clusters
Sungsoo S. Kim, Hyung Mok Lee
We examine the corecollapse times of isolated, two-mass-component star clusters using Fokker-Planck models. With initial condition of Plummer models, we find that the corecollapse…
Two-Component Fokker-Planck Models for the Evolution of Isolated Globular Clusters
Sungsoo S. Kim, Hyung Mok Lee, Jeremy Goodman
Two-component (normal and degenerate stars) models are the simplest realization of clusters with a mass spectrum because high mass stars evolve quickly into degenerates, while low…
Chiral symmetry breaking by a non-Abelian external field in (2+1)-dimensions
V. P. Gusynin, D. K. Hong, I. A. Shovkovy
We investigate the effect of a constant external non-Abelian field on chiral symmetry breaking in a (2+1)-dimensional Nambu-Jona-Lasinio model and in 3D QCD by solving the gap equa…
Stellar Evolution and Dynamics in Star Clusters
Simon F. Portegies Zwart, Christopher A. Tout, Hyung Mok Lee
Dynamical models of star clusters are maturing in the sense that effects other than simple point particle dynamics are taken into account. We summarize the relevance of and prospec…
Zero Temperature Chiral Phase Transition in (2+1)-Dimensional QED with a Chern-Simons Term
Deog Ki Hong
We investigate the zero temperature chiral phase transition in (2+1)-dimensional QED in the presence of a Chern-Simons term, changing the number of fermion flavors. In the symmetri…
Magnetic Catalysis in Quantum Electrodynamics
Deog Ki Hong
We derive the (Wilsonian) low energy effective Lagrangian for Quantum Electrodynamics under external constant magnetic field by integrating out all electrons except those in the lo…