General SU(2)(L) x SU(2)(R) x U(1)(EM) sigma model with external sources, dynamical breaking and spontaneous vacuum symmetry breaking


Autoria(s): Huang, YC (Huang, Yong-Chang); Lee, XG (Lee, Xi-Guo); Li, LJ (Li, Liu-Ji)
Data(s)

3911

Resumo

We give a general SU(2)(L) x SU(2)(R) x U(1)(EM) sigma model with external sources, dynamical breaking and spontaneous vacuum symmetry breaking, and present the general formulation of the model. It is found that sigma and pi(0) without electric charges have electromagnetic interaction effects coming front the internal structures. A general Lorentz transformation relative to external sources J(gauge) - (J(A mu) J(A mu)(kappa)) derived, using the general Lorentz transformation and the four-dimensional current of nuclear matter of the ground si ate with J(gauge) = 0, we give the four-dimensional general relations between the different currents of nuclear matter systems with J(gauge) not equal 0 and those with J(gauge) = 0. The relation of the density's coupling with external magnetic field is derived, which conforms well to dense nuclear matter in a strong magnetic field. We show different condensed effects in strong interaction about fermions and antifermions, and give the concrete scalar and pseudoscalar condensed expressions of sigma(0) and pi(0) bosons. About different dynamical breaking and spontaneous vacuum symmetry breaking, the concrete expressions of different mass spectra are obtained in field theory. This paper acquires the running spontaneous vacuum breaking value sigma'(0), and obtains the spontaneous vacuum breaking in tenus of the running sigma'(0), which make nucleon, sigma, and pi particles gain effective masses. We achieve both the effect of external sources and nonvanishing value of the condensed scalar and pseudoscalar paticles. It is deduced that the masses of nucleons, sigma and pi generally depend on different external sources.

Identificador

http://ir.impcas.ac.cn/handle/113462/6045

http://www.irgrid.ac.cn/handle/1471x/132709

Idioma(s)

英语

Fonte

Huang, YC (Huang, Yong-Chang); Lee, XG (Lee, Xi-Guo); Li, LJ (Li, Liu-Ji).General SU(2)(L) x SU(2)(R) x U(1)(EM) sigma model with external sources, dynamical breaking and spontaneous vacuum symmetry breaking,INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS ,39114,46(2):221-236

Palavras-Chave #sigma model #external sources #dynamical breaking #spontaneous vacuum symmetry breaking
Tipo

期刊论文