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Topological approach to examine the singularity of the axial-vector current in an Abelian gauge field theory (QED)
axial-vector current Ward-Takahashi identity anomaly Atiyah-Singer index theorem
2009/8/13
A topological way to distinguish divergences of the Abelian axial-vector current in quantum field theory is proposed. By using the properties of the Atiyah-Singer index theorem, the non-trivial Jacobi...
Using GOME NO2 satellite data to examine regional differences in TOMCAT model performance
GOME NO2 satellite data TOMCAT model performance
2009/3/6
This paper compares column measurements of NO2 made by the GOME instrument on ERS-2 to model results from the TOMCAT global CTM. The overall correlation between the model and observations is good (0.7...
An equatorial ocean model with the Kelvin and first six Rossby waves and n vertical modes is developed to simulate the equatorial sea surface temperature anomalies (SSTAs) and, more importantly, zonal...