Korekcije propagatora kvantne elektrodinamike

Ključne reči: kvantna elektrodinamika, kvantna teorija polja, renormalizaciona grupa

Sažetak


Uvod/cilj: U radu se razmatra problem kvantnih korekcija propagatora u kvantnoj elektrodinamici (QED).

Metode: Korišćena je Dajson-Švingerova jednačina za korekciju propagatora u QED-u.

Rezultati:  Posmatrane količine u QED-u su konačne.

Zaključak: Divergencije u kvantnoj elektrodinamici mogu se izbeći redefinisanjem fizičkih veličina na odgovarajući način.

Reference

Callan, C.G. 1970. Broken Scale Invariance in Scalar Field Theory. Physical Review D, 2(8), pp.1541-1547. Available at: https://doi.org/10.1103/PhysRevD.2.1541.

Dyson, F.J. 1949. The S Matrix in Quantum Electrodynamics. Physical Review, 75(11), p.1736-1755. Available at: https://doi.org/10.1103/PhysRev.75.1736.

Dyson, F.J. 1952. Divergence of Perturbation Theory in Quantum Electrodynamics. Physical Review, 85(4), pp.631-632. Available at: https://doi.org/10.1103/physrev.85.631.

Fabiano, N. 2021. Quantum electrodynamics divergencies. Vojnotehnički glasnik/Military Technical Courier, 69(3), pp.656-675. Available at: https://doi.org/10.5937/vojtehg69-30366.

Gell–Mann, M. & Low, F.E. 1954. Quantum Electrodynamics at Small Distances. Physical Review, 95(5), pp.1300-1312. Available at: https://doi.org/10.1103/PhysRev.95.1300.

’t Hooft, G. 1973. Dimensional regularization and the renormalization group. Nuclear Physics B, 61, p.455-468. Available at: https://doi.org/10.1016/0550-3213(73)90376-3.

Landau, L.D., Abrikosov, A.A. & Khalatnikov, I.M. 1954. Dokl. Akad. Nauk SSSR, 95, 497, 773, 1177 (in Russian).

Landau, L.D. & Pomeranchuk, I.Ya. 1955. Dokl. Akad. Nauk SSSR, 102, 489 (in Russian).

Schwinger, J. 1951. On the Green’s functions of quantized fields. I. PNAS, 37(7), pp.452-455. Available at: https://doi.org/10.1073/pnas.37.7.452.

Symanzik, K. 1970. Small distance behaviour in field theory and power counting. Communications in Mathematical Physics, 18, pp.227-246. Available at: https://doi.org/10.1007/bf01649434.

Weinberg, S. 1973. New Approach to the Renormalization Group. Physical Review D, 8(10), pp.3497-3509. Available at: https://doi.org/10.1103/PhysRevD.8.3497.

Objavljeno
2021/10/28
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Pregledni radovi