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TMF, 1989, Volume 78, Number 3, Pages 357–367 (Mi tmf4791)  

Expansion of the boost operator in powers of the coupling constant

A. N. Kvinikhidze, A. M. Khvedelidze


Abstract: Representation of the boost operator in the form of an ordered exponent [1] is analysed. A way of expanding this operator over the coupling constant powers is suggested which is of interest for the description of interaction of composite systems with large momenta. Basing on this expansion a “mixed” representation for the form factor of a composite particle is derived which exploits simultaneously the wave functions of a bound state of the usual field theory and the field theory on null-plane. The relation with the calculations in the system $P_z\to\infty$ with longitudinal momentum transfer ($q^+\ne0$) is discussed in the example of calculating the asymptotic behaviour.

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English version:
Theoretical and Mathematical Physics, 1989, 78:3, 252–260

Bibliographic databases:

Received: 29.07.1987

Citation: A. N. Kvinikhidze, A. M. Khvedelidze, “Expansion of the boost operator in powers of the coupling constant”, TMF, 78:3 (1989), 357–367; Theoret. and Math. Phys., 78:3 (1989), 252–260

Citation in format AMSBIB
\Bibitem{KviKhv89}
\by A.~N.~Kvinikhidze, A.~M.~Khvedelidze
\paper Expansion of~the boost operator in~powers of~the coupling constant
\jour TMF
\yr 1989
\vol 78
\issue 3
\pages 357--367
\mathnet{http://mi.mathnet.ru/tmf4791}
\transl
\jour Theoret. and Math. Phys.
\yr 1989
\vol 78
\issue 3
\pages 252--260
\crossref{https://doi.org/10.1007/BF01017662}
\isi{http://gateway.isiknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&DestLinkType=FullRecord&DestApp=ALL_WOS&KeyUT=A1989AU78400005}


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  • Теоретическая и математическая физика Theoretical and Mathematical Physics
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