Renormalizability and nonrenormalizable interactions

YAO Hai-Bo; WU Shi-Shu

doi:10.1088/1674-1137/33/S1/004

Chinese Physics C> 2009, Vol. 33> Issue(S1) : 12-14 DOI: 10.1088/1674-1137/33/S1/004

Renormalizability and nonrenormalizable interactions

YAO Hai-Bo ,
WU Shi-Shu ^,

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Abstract：
Arguments are provided which show that extension of renormalizability in quantum field theory is possible. By an appropriate choice of effective Lagrangian, a dressed Feynman propagator is obtained. In this scheme, higher order Feynman diagrams become self-convergent and nonrenormalizable interactions become renormalizable. As an example, the vacuum fluctuation effects on ρ meson mass for the vector-tensor coupling model is discussed. It is found that the result can agree with the experimental value when coupling constant is adjusted.

References

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YAO Hai-Bo and WU Shi-Shu. Renormalizability and nonrenormalizable interactions[J]. Chinese Physics C, 2009, 33(S1): 12-14. doi: 10.1088/1674-1137/33/S1/004

YAO Hai-Bo and WU Shi-Shu. Renormalizability and nonrenormalizable interactions[J]. Chinese Physics C, 2009, 33(S1): 12-14. doi: 10.1088/1674-1137/33/S1/004 shu

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Received: 2008-10-22
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Renormalizability and nonrenormalizable interactions

YAO Hai-Bo
WU Shi-Shu ^,

Corresponding author: WU Shi-Shu,

Received Date: 2008-10-22
Accepted Date: 1900-01-01
Available Online: 2009-01-10

Abstract: Arguments are provided which show that extension of renormalizability in quantum field theory is possible. By an appropriate choice of effective Lagrangian, a dressed Feynman propagator is obtained. In this scheme, higher order Feynman diagrams become self-convergent and nonrenormalizable interactions become renormalizable. As an example, the vacuum fluctuation effects on ρ meson mass for the vector-tensor coupling model is discussed. It is found that the result can agree with the experimental value when coupling constant is adjusted.