From screening to confinement in a Higgs-like model
arXiv:0902.0905 · doi:10.1016/j.physletb.2009.03.061
Abstract
We investigate a recently proposed Higgs-like model (arXiv:0811.4423 [hep-th]), in the framework of a gauge-invariant but path-dependent variables formalism. We compute the static potential between test charges in a condensate of scalars and fermions. In the case of charged massive scalar we recover the screening potential. On the other hand, in the Higgs case, with a "tachyonic" mass term and a quartic potential in the Lagrangian, unexpected features are found. It is observed that the interaction energy is the sum of an effective-Yukawa and a linear potential, leading to the confinement of static charges.
14 pages, no figures. Inserted 2 new references and comments about the short-distance physical cut-off. Final version accepted for publication in PLB
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- Considerations on anomalous photon and Z-boson self-couplings from the Born-Infeld weak hypercharge action
- Cornell potential in Kalb-Ramond scalar QED via Higgs mechanism
- Screening effects in plasma with charged Bose condensate
- On condensation of charged scalars in D=3 dimensions
- Kalb-Ramond scalar QED multiple vacua
- Remarks on a Chern-Simons-like coupling