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Holographic study of magnetically induced QCD effects

Nele Callebaut UGent, David Dudal UGent and Henri Verschelde UGent (2011) Acta Physica Polonica B Proceedings Supplement. 4(4). p.671-676
abstract
We study the effect of a constant external magnetic field on the rho meson mass m(rho) on the one hand, and on the chiral symmetry restoration temperature T-chi on the other hand, using the Sakai-Sugimoto model with two quenched flavours and non-zero constituent quark masses, which is a holographic dual of a QCD-like theory in the quenched approximation and chiral limit. We find that the explicit chiral symmetry breaking caused by the presence of the magnetic field eB manifests itself in a stronger chiral magnetic catalysis effect for the up than for the down quarks, resulting in two separate chiral symmetry restoration temperatures T-chi(u) and T-chi(d) with T-chi(u)(eB) > T-chi(d)(eB) > T-c (the deconfinement temperature) for each value of eB. The Landau levels described in the rho meson mass equation indicate an instability of the QCD vacuum towards condensation of rho mesons at eB similar to 1.1 mp(rho)(2) approximate to 0.67 GeV2, confirming a recent prediction of Chernodub.
Please use this url to cite or link to this publication:
author
organization
year
type
conference (proceedingsPaper)
publication status
published
subject
in
Acta Physica Polonica B Proceedings Supplement
Acta Phys. Pol. B Proc. Suppl.
volume
4
issue
4
issue title
International meeting : excited QCD
pages
671 - 676
publisher
Jagiellonian University
place of publication
Kraków, Poland
conference name
Excited QCD 2011
conference location
Les Houches, France
conference start
2011-02-20
conference end
2011-02-25
Web of Science type
Proceedings Paper
Web of Science id
000307421300021
ISSN
1899-2358
DOI
10.5506/APhysPolBSupp.4.671
language
English
UGent publication?
yes
classification
P1
copyright statement
I have transferred the copyright for this publication to the publisher
id
2118826
handle
http://hdl.handle.net/1854/LU-2118826
date created
2012-05-30 08:44:03
date last changed
2018-06-12 14:28:57
@inproceedings{2118826,
  abstract     = {We study the effect of a constant external magnetic field on the rho meson mass m(rho) on the one hand, and on the chiral symmetry restoration temperature T-chi on the other hand, using the Sakai-Sugimoto model with two quenched flavours and non-zero constituent quark masses, which is a holographic dual of a QCD-like theory in the quenched approximation and chiral limit. We find that the explicit chiral symmetry breaking caused by the presence of the magnetic field eB manifests itself in a stronger chiral magnetic catalysis effect for the up than for the down quarks, resulting in two separate chiral symmetry restoration temperatures T-chi(u) and T-chi(d) with T-chi(u)(eB) {\textrangle} T-chi(d)(eB) {\textrangle} T-c (the deconfinement temperature) for each value of eB. The Landau levels described in the rho meson mass equation indicate an instability of the QCD vacuum towards condensation of rho mesons at eB similar to 1.1 mp(rho)(2) approximate to 0.67 GeV2, confirming a recent prediction of Chernodub.},
  author       = {Callebaut, Nele and Dudal, David and Verschelde, Henri},
  booktitle    = {Acta Physica Polonica B Proceedings Supplement},
  issn         = {1899-2358},
  language     = {eng},
  location     = {Les Houches, France},
  number       = {4},
  pages        = {671--676},
  publisher    = {Jagiellonian University},
  title        = {Holographic study of magnetically induced QCD effects},
  url          = {http://dx.doi.org/10.5506/APhysPolBSupp.4.671},
  volume       = {4},
  year         = {2011},
}

Chicago
Callebaut, Nele, David Dudal, and Henri Verschelde. 2011. “Holographic Study of Magnetically Induced QCD Effects.” In Acta Physica Polonica B Proceedings Supplement, 4:671–676. Kraków, Poland: Jagiellonian University.
APA
Callebaut, N., Dudal, D., & Verschelde, H. (2011). Holographic study of magnetically induced QCD effects. Acta Physica Polonica B Proceedings Supplement (Vol. 4, pp. 671–676). Presented at the Excited QCD 2011, Kraków, Poland: Jagiellonian University.
Vancouver
1.
Callebaut N, Dudal D, Verschelde H. Holographic study of magnetically induced QCD effects. Acta Physica Polonica B Proceedings Supplement. Kraków, Poland: Jagiellonian University; 2011. p. 671–6.
MLA
Callebaut, Nele, David Dudal, and Henri Verschelde. “Holographic Study of Magnetically Induced QCD Effects.” Acta Physica Polonica B Proceedings Supplement. Vol. 4. Kraków, Poland: Jagiellonian University, 2011. 671–676. Print.