QCD topology with electromagnetic fields and the axion-photon coupling
Brandt B, Cuteri F, Endrödi G, Hernández Hernández JJ, Marko G (2023)
In: Proceedings of The 39th International Symposium on Lattice Field Theory — PoS(LATTICE2022). Trieste, Italy: Sissa Medialab: 174.
Konferenzbeitrag
| Veröffentlicht | Englisch
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Autor*in
Brandt, BastianUniBi;
Cuteri, Francesca;
Endrödi, GergelyUniBi
;
Hernández Hernández, José JavierUniBi;
Marko, GergelyUniBi
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Abstract / Bemerkung
The introduction of non-orthogonal electric and magnetic fields in the QCD vacuum enhances the weight of topological sectors with a nonzero topological charge. For weak fields, there is a linear response for the expectation value of the topological charge. We study this linear response and relate it to the QCD correction to the axion-photon coupling. We also analyse the magnetic field dependence of the topological susceptibility for a range of temperatures around Tc. In this work we use lattice simulations with improved staggered quarks at physical masses, including background magnetic and (imaginary) electric fields.
Erscheinungsjahr
2023
Titel des Konferenzbandes
Proceedings of The 39th International Symposium on Lattice Field Theory — PoS(LATTICE2022)
Seite(n)
174
Urheberrecht / Lizenzen
Konferenz
The 39th International Symposium on Lattice Field Theory
Konferenzort
Bonn, Germany
Konferenzdatum
2022-08-08 – 2022-08-13
Page URI
https://pub.uni-bielefeld.de/record/2990373
Zitieren
Brandt B, Cuteri F, Endrödi G, Hernández Hernández JJ, Marko G. QCD topology with electromagnetic fields and the axion-photon coupling. In: Proceedings of The 39th International Symposium on Lattice Field Theory — PoS(LATTICE2022). Trieste, Italy: Sissa Medialab; 2023: 174.
Brandt, B., Cuteri, F., Endrödi, G., Hernández Hernández, J. J., & Marko, G. (2023). QCD topology with electromagnetic fields and the axion-photon coupling. Proceedings of The 39th International Symposium on Lattice Field Theory — PoS(LATTICE2022), 174. Trieste, Italy: Sissa Medialab. https://doi.org/10.22323/1.430.0174
Brandt, Bastian, Cuteri, Francesca, Endrödi, Gergely, Hernández Hernández, José Javier, and Marko, Gergely. 2023. “QCD topology with electromagnetic fields and the axion-photon coupling”. In Proceedings of The 39th International Symposium on Lattice Field Theory — PoS(LATTICE2022), 174. Trieste, Italy: Sissa Medialab.
Brandt, B., Cuteri, F., Endrödi, G., Hernández Hernández, J. J., and Marko, G. (2023). “QCD topology with electromagnetic fields and the axion-photon coupling” in Proceedings of The 39th International Symposium on Lattice Field Theory — PoS(LATTICE2022) (Trieste, Italy: Sissa Medialab), 174.
Brandt, B., et al., 2023. QCD topology with electromagnetic fields and the axion-photon coupling. In Proceedings of The 39th International Symposium on Lattice Field Theory — PoS(LATTICE2022). Trieste, Italy: Sissa Medialab, pp. 174.
B. Brandt, et al., “QCD topology with electromagnetic fields and the axion-photon coupling”, Proceedings of The 39th International Symposium on Lattice Field Theory — PoS(LATTICE2022), Trieste, Italy: Sissa Medialab, 2023, pp.174.
Brandt, B., Cuteri, F., Endrödi, G., Hernández Hernández, J.J., Marko, G.: QCD topology with electromagnetic fields and the axion-photon coupling. Proceedings of The 39th International Symposium on Lattice Field Theory — PoS(LATTICE2022). p. 174. Sissa Medialab, Trieste, Italy (2023).
Brandt, Bastian, Cuteri, Francesca, Endrödi, Gergely, Hernández Hernández, José Javier, and Marko, Gergely. “QCD topology with electromagnetic fields and the axion-photon coupling”. Proceedings of The 39th International Symposium on Lattice Field Theory — PoS(LATTICE2022). Trieste, Italy: Sissa Medialab, 2023. 174.
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