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Relative energy dependence of the Bethe-Salpeter amplitude in two-dimensional massless QED
classification
✦ hep-th
keywords
energyrelativeamplitudebethe-salpeterafterwardsanalysisapproximatebosons
read the original abstract
The exact $q\bar{q}$ Bethe-Salpeter bound state amplitude is investigated in the space of relative energy $E$ for fixed value of relative position. By means of approximate analysis it is shown to possess singularities in $E$ whenever one of the quarks reaches the energy threshold for the creation of certain number of Schwinger bosons. These results are afterwards confirmed by numerical plots.
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