Quantum Parity Conservation in Planar Quantum Electrodynamics
نویسندگان
چکیده
Quantum parity conservation is verified at all orders in perturbation theory for a massless parity-even $U(1)\times U(1)$ planar quantum electrodynamics (QED$_3$) model. The presence of two fermions requires the Lowenstein-Zimmermann (LZ) subtraction scheme, framework Bogoliubov-Parasiuk-Hepp-Zimmermann-Lowenstein (BPHZL) renormalization method, order to subtract infrared divergences induced by ultraviolet subtractions 1- and 2-loops, however thanks superrenormalizability model are bounded up 2-loops. Finally, it proved that BPHZL method preserves taken into consideration, contrary what happens ordinary $U(1)$ QED$_3$.
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ژورنال
عنوان ژورنال: International Journal of Theoretical Physics
سال: 2021
ISSN: ['0020-7748', '1572-9575']
DOI: https://doi.org/10.1007/s10773-021-04851-8