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Complex $\varphi^4$ Theory at Finite Temperature and Density via Extended Mean Field Theory
We review the Extended Mean Field (EMFT) approximation and apply it to complex, scalar $\varphi^4$ theory on the lattice. We determine the ($T,\mu$) phase diagram and study the critical properties of the Bose condensation transition, at zero and finite temperature. In both cases we obtain results wh...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
2013
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.22323/1.187.0195 http://cds.cern.ch/record/1629693 |