Exploring the QCD phase diagram via reweighting from isospin chemical potential

Brandt B, Cuteri F, Endrödi G, Schmalzbauer S (2020)
In: Proceedings of 37th International Symposium on Lattice Field Theory — PoS(LATTICE2019). Trieste, Italy: Sissa Medialab: 189.

Konferenzbeitrag | Veröffentlicht | Englisch
 
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Autor*in
Brandt, BastianUniBi; Cuteri, Francesca; Endrödi, GergelyUniBi; Schmalzbauer, Sebastian
Abstract / Bemerkung
We investigate the QCD phase diagram for small values of baryon and strange quark chemical potentials from simulations at non-zero isospin chemical potential. Simulations at pure isospin chemical potential are not hindered by the sign problem and pion condensation can be observed for sufficiently large isospin chemical potentials. We study how the related phase boundary evolves with baryonic and strange chemical potentials via reweighting in quark chemical potentials and discuss our results. Furthermore, we propose and implement an alternative method to approach nonzero baryon (and strange quark) chemical potentials. This method involves simulations where physical quarks are paired with auxiliary quarks in unphysical ``isospin'' doublets and a decoupling of the auxiliary quarks by mass reweighting.
Erscheinungsjahr
2020
Titel des Konferenzbandes
Proceedings of 37th International Symposium on Lattice Field Theory — PoS(LATTICE2019)
Seite(n)
189
Konferenz
37th International Symposium on Lattice Field Theory
Konferenzort
Wuhan, China
Konferenzdatum
2019-06-16 – 2019-06-22
Page URI
https://pub.uni-bielefeld.de/record/2955716

Zitieren

Brandt B, Cuteri F, Endrödi G, Schmalzbauer S. Exploring the QCD phase diagram via reweighting from isospin chemical potential. In: Proceedings of 37th International Symposium on Lattice Field Theory — PoS(LATTICE2019). Trieste, Italy: Sissa Medialab; 2020: 189.
Brandt, B., Cuteri, F., Endrödi, G., & Schmalzbauer, S. (2020). Exploring the QCD phase diagram via reweighting from isospin chemical potential. Proceedings of 37th International Symposium on Lattice Field Theory — PoS(LATTICE2019), 189. Trieste, Italy: Sissa Medialab. https://doi.org/10.22323/1.363.0189
Brandt, B., Cuteri, F., Endrödi, G., and Schmalzbauer, S. (2020). “Exploring the QCD phase diagram via reweighting from isospin chemical potential” in Proceedings of 37th International Symposium on Lattice Field Theory — PoS(LATTICE2019) (Trieste, Italy: Sissa Medialab), 189.
Brandt, B., et al., 2020. Exploring the QCD phase diagram via reweighting from isospin chemical potential. In Proceedings of 37th International Symposium on Lattice Field Theory — PoS(LATTICE2019). Trieste, Italy: Sissa Medialab, pp. 189.
B. Brandt, et al., “Exploring the QCD phase diagram via reweighting from isospin chemical potential”, Proceedings of 37th International Symposium on Lattice Field Theory — PoS(LATTICE2019), Trieste, Italy: Sissa Medialab, 2020, pp.189.
Brandt, B., Cuteri, F., Endrödi, G., Schmalzbauer, S.: Exploring the QCD phase diagram via reweighting from isospin chemical potential. Proceedings of 37th International Symposium on Lattice Field Theory — PoS(LATTICE2019). p. 189. Sissa Medialab, Trieste, Italy (2020).
Brandt, Bastian, Cuteri, Francesca, Endrödi, Gergely, and Schmalzbauer, Sebastian. “Exploring the QCD phase diagram via reweighting from isospin chemical potential”. Proceedings of 37th International Symposium on Lattice Field Theory — PoS(LATTICE2019). Trieste, Italy: Sissa Medialab, 2020. 189.

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