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Cross-Ladder Diagrams Via Hierarchical Equations in the Light Front

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Abstract

We calculate the correction to the propagator of two bosons up to the g 4 order in the “cross-ladder” approximation in the light front. The hierarchy of the coupled equations describe the propagator of two bosons in various cases, including the “cross-ladder” approximation. Our results show that the contribution of the pair is small and is limited to a range of bound state.

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References

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Correspondence to Alfredo Takashi Suzuki.

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Sales, J.H., Suzuki, A.T., Santos, G.S. et al. Cross-Ladder Diagrams Via Hierarchical Equations in the Light Front. Few-Body Syst 56, 593–598 (2015). https://doi.org/10.1007/s00601-015-0968-x

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  • DOI: https://doi.org/10.1007/s00601-015-0968-x

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