Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2003-05-13
Phys. Rev. Lett. 91, 171601 (2003)
Physics
Condensed Matter
Strongly Correlated Electrons
4 RevTex pages, 2 figures, additional explanations and a comment on power-law interactions in monopole plasma added; to appear
Scientific paper
10.1103/PhysRevLett.91.171601
We argue that the compact three dimensional electrodynamics with massless fermions is always confining, in spite of the bare interaction between the magnetic monopoles being rendered logarithmic by fermions. The effect is caused by screening by other dipoles, which transforms the logarithmic back into the Coulomb interaction at large distances. Possible implications for the chiral symmetry breaking for fermions are discussed, and the global phase diagram of the theory is proposed.
Herbut Igor F.
Seradjeh Babak H.
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