Schwinger model in the light-cone gauge
نویسندگان
چکیده
منابع مشابه
The Schwinger Model in Light-Cone Gauge
The Schwinger model, defined in the space interval −L ≤ x ≤ L, with (anti)periodic boundary conditions, is canonically quantized in the lightcone gauge A− = 0 by means of equal-time (anti)commutation relations. The transformation diagonalizing the complete Hamiltonian is explicitly constructed, thereby giving spectrum, chiral anomaly and condensate. The structures of Hilbert spaces related both...
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We investigate mesons in the bosonized massive Schwinger model in the light-front Tamm-Dancoff approximation in the strong coupling region. We confirm that the three-meson bound state has a few percent fermion six-body component in the strong coupling region when expressed in terms of fermion variables, consistent with our previous calculations. We also discuss some qualitative features of the ...
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The axial anomaly and fermion condensate in the light cone Schwinger model are studied, following path integral methods. This formalism allows for a simple and direct calculation of these and other vacuum dependent phenomena. Typeset using REVTEX ∗E-mail: [email protected] †E-mail: [email protected] ‡E-mail: [email protected] 1
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We show that the Feynman propagator in the light-cone gauge with the MandelstamLeibbrandt prescription has a logarithmic growth for large ñ · x which is related to the presence of a residual gauge invariance. Furthermore, we show that the retarded propagator for the ñ · A component of the gauge field develops a coordinate dependent mass which is inversely proportional to the magnitude of the tr...
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Feynman integrals in the physical light-cone gauge are harder to solve than their covariant counterparts. The difficulty is associated with the presence of unphysical singularities due to the inherent residual gauge freedom in the intermediate boson propagators constrained within this gauge choice. In order to circumvent these non-physical singularities, the headlong approach has always been to...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 1997
ISSN: 0556-2821,1089-4918
DOI: 10.1103/physrevd.56.3631