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SUMMARY:Propagator of a massive charged vector boson in a magnetic field: 
 Ritus eigenfunction method
DTSTART;VALUE=DATE-TIME:20261022T204000Z
DTEND;VALUE=DATE-TIME:20261022T205000Z
DTSTAMP;VALUE=DATE-TIME:20261105T070312Z
UID:indico-contribution-35@cern.ch
DESCRIPTION:Speakers: Mr. MONREAL CANCINO\, Manuel Emiliano (Facultad de C
 iencias\, UNAM)\nI will present the calculation of the propagator of a cha
 rged vector boson in the presence of an external magnetic field using the 
 Ritus Eigenfunction method. Although this is not a novel result\, the meth
 odology used throughout the calculation is relevant in the sense that the 
 calculation is done with a diagonalized equation of motion.\n\nMoreover\, 
 I present the path from the propagator in the Ritus Eigenfunction method r
 epresentation to the propagator in the Schwinger proper time parameter rep
 resentation highlighting a discrepancy with the result presented in the li
 terature.\n\nFurthermore\, as a proof of the advantage that the Ritus Eige
 nfunction method provides\, I derive the Lehmann-Symanzik-Zimmermann (LSZ)
  reduction formula for massive charged vector boson external states in suc
 h a magnetic background\, which is a novel result.\n\nhttps://indico.nucle
 ares.unam.mx/event/2675/session/3/contribution/35
LOCATION:Puebla
URL:https://indico.nucleares.unam.mx/event/2675/session/3/contribution/35
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