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Open Quantum Systems Decoherence
Enumerative Methods in Quantum Electrodynamics
arXiv
Authors: Ali Assem Mahmoud
Year
2020
Paper ID
19512
Status
Preprint
Abstract Read
~2 min
Abstract Words
78
Citations
N/A
Abstract
We show that observables in QED-type theories can be realized in terms of a combinatorial structure called chord diagrams. One advantage of this combinatorial representation is that it simplifies the study of the asymptotic behavior of corresponding Green functions. Particularly, using the new representation, there is no need to use the standard approach of singularity analysis. This relation also reveals the unexplained correlation between the number of Feynman diagrams in Yukawa theory and the diagrams in quenched QED.
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- This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
- It adds a 2020 reference point for readers tracking recent quantum research.
- We show that observables in QED-type theories can be realized in terms of a combinatorial structure called chord diagrams.
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