Lattice QED with light fermions in the P representation - INSPIRE

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Lattice QED with light fermions in the P representation

1991

6 pages

Published in:

Phys.Rev.D 44 (1991) 1257-1262

DOI:

10.1103/PhysRevD.44.1257

View in:

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Abstract: (APS)

With the aim of including dynamical fermions, the gauge-independent loop representation is extended by the introduction of an open path connecting the fermionic sources. This new P representation is developed together with the algebra of gauge-invariant path-dependent operators for the case of QED in 3+1 dimensions. Finally, using a cluster approximation, both the ground-state energy and chiral condensate are computed, showing a satisfactory behavior for the strong-coupling region.

quantum electrodynamics
lattice field theory
fermion
path integral
operator: algebra
invariance: gauge
Schroedinger equation
approximation: cluster
ground state
energy: density

References(21)

Figures(0)

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