EPJ Web of Conferences
Volume 172, 2018XLVII International Symposium on Multiparticle Dynamics (ISMD 2017)
|Number of page(s)||10|
|Section||Perturbative and nonperturbative features of QCD|
|Published online||26 January 2018|
Locating the critical end point using the linear sigma model coupled to quarks.
Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Apartado Postal 70-543, México Distrito Federal 04510, México.
2 Departamento de FÍsica, Facultad de Ciencias, Universidad Nacional Autónoma de México, Avenida Universidad 3000, Ciudad Universitaria, 04510 Distrito Federal, México.
3 Centre for Theoretical and Mathematical Physics, and Department of Physics,University of Cape Town, Rondebosch 7700, South Africa.
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Published online: 26 January 2018
We use the linear sigma model coupled to quarks to compute the effective potential beyond the mean field approximation, including the contribution of the ring diagrams at finite temperature and baryon density. We determine the model couplings and use them to study the phase diagram in the baryon chemical potential-temperature plane and to locate the Critical End Point.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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