Phases and condensates in zero-temperature QCD at finite μI and μS
I discuss pion and kaon condensation and the the properties of the phases of QCD at finite isospin chemical potential μI and strangeness chemical potential μS at zero temperature using three-flavor chiral perturbation theory. Electromagnetic effects are included in the calculation of the phase diagr...
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| Format: | Article |
| Language: | English |
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EDP Sciences
2022-01-01
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| Series: | EPJ Web of Conferences |
| Online Access: | https://www.epj-conferences.org/articles/epjconf/pdf/2022/18/epjconf_confxv2022_07003.pdf |
| _version_ | 1797951140604674048 |
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| author | Andersen Jens O. |
| author_facet | Andersen Jens O. |
| author_sort | Andersen Jens O. |
| collection | DOAJ |
| description | I discuss pion and kaon condensation and the the properties of the phases of QCD at finite isospin chemical potential μI and strangeness chemical potential μS at zero temperature using three-flavor chiral perturbation theory. Electromagnetic effects are included in the calculation of the phase diagram, which implies that the charged meson condensed phases become superconducting phases of QCD with a massive photon via the Higgs mechanism. Without electromagnetic effects, we show results for the light quark condensate and the pion condensate as functions of μI at next-to-leading (NLO) order in the lowenergy expansion. The results are compared with recent lattice simulations and by including the NLO corrections, one obtains very good agreement. |
| first_indexed | 2024-04-10T22:25:57Z |
| format | Article |
| id | doaj.art-1eb2d8323d474c9f83ed172536edbb8d |
| institution | Directory Open Access Journal |
| issn | 2100-014X |
| language | English |
| last_indexed | 2024-04-10T22:25:57Z |
| publishDate | 2022-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | EPJ Web of Conferences |
| spelling | doaj.art-1eb2d8323d474c9f83ed172536edbb8d2023-01-17T09:14:37ZengEDP SciencesEPJ Web of Conferences2100-014X2022-01-012740700310.1051/epjconf/202227407003epjconf_confxv2022_07003Phases and condensates in zero-temperature QCD at finite μI and μSAndersen Jens O.0Department of Physics, Faculty of Natural Sciences, Norwegian University of Science and TechnologyI discuss pion and kaon condensation and the the properties of the phases of QCD at finite isospin chemical potential μI and strangeness chemical potential μS at zero temperature using three-flavor chiral perturbation theory. Electromagnetic effects are included in the calculation of the phase diagram, which implies that the charged meson condensed phases become superconducting phases of QCD with a massive photon via the Higgs mechanism. Without electromagnetic effects, we show results for the light quark condensate and the pion condensate as functions of μI at next-to-leading (NLO) order in the lowenergy expansion. The results are compared with recent lattice simulations and by including the NLO corrections, one obtains very good agreement.https://www.epj-conferences.org/articles/epjconf/pdf/2022/18/epjconf_confxv2022_07003.pdf |
| spellingShingle | Andersen Jens O. Phases and condensates in zero-temperature QCD at finite μI and μS EPJ Web of Conferences |
| title | Phases and condensates in zero-temperature QCD at finite μI and μS |
| title_full | Phases and condensates in zero-temperature QCD at finite μI and μS |
| title_fullStr | Phases and condensates in zero-temperature QCD at finite μI and μS |
| title_full_unstemmed | Phases and condensates in zero-temperature QCD at finite μI and μS |
| title_short | Phases and condensates in zero-temperature QCD at finite μI and μS |
| title_sort | phases and condensates in zero temperature qcd at finite μi and μs |
| url | https://www.epj-conferences.org/articles/epjconf/pdf/2022/18/epjconf_confxv2022_07003.pdf |
| work_keys_str_mv | AT andersenjenso phasesandcondensatesinzerotemperatureqcdatfinitemiandms |