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Effects of strong magnetic fields on the hadron-quark deconfinement transition

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Abstract

The aim of the present work is to investigate the effects of strong magnetic fields on the hadron-quark phase transition point at zero temperature. To describe the hadronic phase, a relativistic mean field (RMF) model is used and to describe the quark phase a density dependent quark mass model (DDQM) is employed. As compared with the results obtained with non-magnetised matter, we observe a shift of the transition point towards higher pressures and, generally also towards higher chemical potentials. An investigation of the phase transitions that could sustain hybrid stars is also performed.

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Data Availability Statement

This manuscript has no associated data or the data will not be deposited. [Authors’ comment: All results obtained in this work are either numerical or analytical, hence, there is no associated data.]

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Acknowledgements

This work is a part of the project INCT-FNA Proc. No. 464898/2014-5. D.P.M. and K.D.M. are partially supported by Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq/Brazil) respectively under grant 301155.2017-8 and with a doctorate scholarship. B.C.B is supported by Coordenação de Aperfeiçoamanto de Pessoal de Nível Superior (CAPES) with a M.Sc. scholarship. B.C.B. thanks fruitful discussions with Eduardo Hafemann about the convergence of the quark matter numerical code.

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Authors and Affiliations

  1. Departamento de Física, CFM, Universidade Federal de Santa Catarina, C.P. 476, Florianópolis, SC, CEP 88040-900, Brazil

    Betânia C. T. Backes, Kauan D. Marquezb & Débora P. Menezes

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  1. Betânia C. T. Backes
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  2. Kauan D. Marquezb
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  3. Débora P. Menezes
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Correspondence to Betânia C. T. Backes or Kauan D. Marquezb.

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Communicated by Carsten Urbach.

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Backes, B.C.T., Marquezb, K.D. & Menezes, D.P. Effects of strong magnetic fields on the hadron-quark deconfinement transition. Eur. Phys. J. A 57, 229 (2021). https://doi.org/10.1140/epja/s10050-021-00544-2

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