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Prog. Theor. Phys. Vol. 101 No. 3 (1999) pp. 721-747
Bethe-Salpeter Approach for Mesons in the Pion Channel within the Dual Ginzburg-Landau Theory
Kensuke Kusaka1,*)
Tsutomu Sakai2,**) and
Hiroshi Toki1,2,***)
1 RIKEN, Wako 351-0198, Japan
2 RCNP, Osaka University, Ibaraki 567-0047, Japan
(Received November 12, 1998)
Abstract:
We develop a formalism for the study of mesons with the Bethe-Salpeter (BS)
equation using the dual Ginzburg-Landau (DGL) theory.
We introduce a new method to solve the BS equation by using the expansion
method with momentum square at zero momentum.
We apply this formalism to mesons in the pion channel with parity
Π= - (-)J and charge conjugation C=-Π.
Due to the confinement property of the gluon propagator in the DGL theory,
we find the Regge behavior, M2 ∝J; that is, the mass square is
proportional to the spin.
URL :
http://ptp.ipap.jp/link?PTP/101/721/
DOI : 10.1143/PTP.101.721
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