Cristian Villavicencio

Thermal pions at a finite isospin chemical potential

The density corrections, in terms of the isospin chemical potential

Thermal pion masses in the second phase : ‖μI‖ > mπ

\mu_I

Operator Product Expansion with analytic QCD in tau decay physics

, to the mass of the pions are studied in the framework of the SU(2) low energy effective chiral lagrangian. The pion decay constant

Fermion masses through condensation in spacetimes with torsion

f_{\pi}(T, \mu_{I})

Two-flavor condensates in chiral dynamics: Temperature and isospin density effects

is also analized. As a function of temperature for

Thermomagnetic properties of the strong coupling in the local Nambu-Jona-Lasinio model

\mu_I =0

Linear sigma model and the formation of a charged pion condensate in the presence of an external magnetic field

, the mass remains quite stable, starting to grow for very high values of

Quark deconfinement and gluon condensate in a weak magnetic field from QCD sum rules

T

Chiral transition with magnetic fields

, confirming previous results. However, there are interesting corrections to the mass when both effects (temperature and chemical potential) are simultaneously present. At zero temperature the

Magnetic catalysis of a charged Bose-Einstein condensate

\pi ^{\pm}