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In this paper we investigate the vacuum energies of several models of quantumfields interacting with static external currents (linear couplings)concentrated along parallel branes with an arbitrary number of codimensions. Weshow that we can simulate the presence of static charges distributions as wellas the presence of classical static dipoles in any dimension for massive andmassless fields. We also show that we can produce confining potentials withmassless self interacting scalar fields as well as long range anisotropicpotentials.

Vacuum energies due to delta-like currents: simulating classical objects along branes with arbitrary codimensions