Gergely Fejős

assistant professor
PhD (Eötvös Loránd University, Budapest, 2011)
Room(s): Lágymányos Campus, Northern Building 3.85
Extension(s): +36-1-372-2500 / 1163
Email: uh.etle.ktt@sojef.ylegreg
Extension(s): +36-1-372-2500 / 1163
Email: uh.etle.ktt@sojef.ylegreg
Biography:
EMPLOYMENT HISTORY:2019 –: Assistant Professor at Eötvös Loránd University, Institute of Physics, Department of Atomic Physics.
2018 – 2019: Postdoctoral Researcher at Keio University, Department of Physics, Topological Science Project.
2015 – 2018: Research Associate at Osaka University, Research Center for Nuclear Physics, Nuclear Theory Group.
2012 – 2015: Foreign Postdoctoral Researcher (FPR fellow) at RIKEN, Nishina Center, Quantum Hadron Physics Laboratory.
2011 – 2012: JSPS Postdoctoral Fellow at The University of Tokyo, Department of Physics, Theoretical Hadron Physics Group.
2010: Research Student, Université Paris 7 Diderot, APC laboratory.
EDUCATION:
2011: PhD in physics (summa cum laude) Eötvös Loránd University.
Thesis: Resummed perturbative series of scalar quantum field theories in 2PI formalism
2008: MSc in physics (with honors), Eötvös Loránd University.
Thesis: Renormalizability of partially resummed perturbative series in quantum field theory
2003: High-school graduation, ELTE Radnóti Miklós Gyakorlóiskola, Budapest.
RESEARCH INTEREST:
– Chiral and quark-hadron phase transitions
– Nuclear and quark matter at finite temperature and density
– Strongly coupled quantum field theories
– Superfluidity, superconductivity
– Topological phase transitions
– Renormalization group methods, functional techniques (2PI, FRG)
FELLOWSHIPS/AWARDS:
– The New National Excellence Programme Bolyai+ scholarship (2019, 2021, 2022)
– János Bolyai Research Fellowship of the Hungarian Academy of Sciences (2019-22)
– Postdoctoral Fellowship of the Hungarian National Research (“OTKA” PD18), Development and Innovation Office (2018)
– Postdoctoral Fellowship of Japan Society for the Promotion of Science (2011)
– Erasmus fellowship (2010)
– Excellent student of the faculty, Eötvös Loránd University, Faculty of Science (2008)
– Republican Scholarship of Hungary (2007)
Links to associated scientific database profiles:
- Publications in MTMT
- Publications in ORCID
- Publications in ResearcherID
- Publications in Scopus
- Publications in Google Scholar
Selected publications of recent years:
- G. Fejos, "Second order chiral phase transition in three-flavor quantum chromodynamics?", Phys. Rev. D105, L071506 (2022).
- G. Fejos and A. Patkos, "Backreaction of mesonic fluctuations on the axial anomaly at finite temperature", Phys. Rev. D105, 096007 (2022).
- G. Fejos, "Perturbative RG analysis of the condensate dependence of the axial anomaly in the three flavor linear sigma model", Symmetry 13(3), 488 (2021).
- G. Fejos and A. Patkos, "Field dependence of the Yukawa coupling in the three flavor quark-meson model", Phys. Rev. D103, 056015 (2021).
- M. Kobayashi, G. Fejos, C. Chatterjee and M. Nitta, "Vortex confinement transitions in the modified Goldstone model", Phys. Rev. Research 2, 013081.
- G. Fejos and N. Yamamoto, "Functional renormalization group approach to color superconducting phase transition", JHEP 12 (2019) 069.
- G. Fejos and T. Hatsuda, "Flows of multicomponent scalar models with U(1) gauge symmetry", Phys. Rev. D 100, 036007 (2019).
- A. J. Beekman and G. Fejos, "Charged and neutral fixed points in the O(N)+O(N)-model with Abelian gauge fields", Phys. Rev. D 100, 016005 (2019).
- G. Fejos and A. Hosaka, "Axial anomaly and hadronic properties in a nuclear medium", Phys. Rev. D 98, 036009 (2018).
- G. Fejos and T. Hatsuda, "Renormalization group flows of the N-component Abelian Higgs model", Phys. Rev. D 96, 056018 (2017).
- G. Fejos and A. Hosaka, "Mesonic and nucleon fluctuation effects at finite baryon density", Phys. Rev. D 95, 116011 (2017).