Abstract
The ground state of the multiflavor two-dimensional quantum electrodynamics is determined in the presence of finite baryon density, and it is shown that the model possesses two phases: the low-density phase where the external baryon density is totally screened, and the high-density phase where the screening is only partial. The renormalization of the bosonized version of the model is also performed for both the zero and the finite-density model giving massless multiflavor two-dimensional quantum electrodynamics in both cases.
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