Pion structure in magnetized nuclear medium at finite temperature

Abstract

We investigate the structure of the pion in a magnetized nuclear medium at finite temperature by analyzing the in-medium modifications of its parton distribution functions (PDFs) and electromagnetic form factors (EMFFs). We use a unified framework combining the chiral SU(3) quark mean field (CQMF) model and the light-cone quark model (LCQM) where the in-medium quark masses are evaluated using the CQMF model and subsequently employed as inputs in the light-cone formalism. The study systematically explores the effects of magnetic field, baryon density, temperature, and isospin asymmetry on the pion structure. In addition, Dirac sea contributions are incorporated to account for vacuum polarization effects in the medium. Our results of PDFs and EMFFs provide valuable insights into the modification of pion properties under extreme conditions, highlighting the significant role of the surrounding medium in altering its internal structure.

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BibTeX RIS

BibTeX

@misc{n2026pion,
  title = {{Pion structure in magnetized nuclear medium at finite temperature}},
  author = {Fathimath Shifa N K and Navpreet Kaur and Abi Jebarson A and Arvind Kumar and Suneel Dutt and Harleen Dahiya},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.37186},
  eprint = {2609.37186},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.37186},
  note = {CC BY 4.0},
}

RIS

TY  - UNPB
TI  - Pion structure in magnetized nuclear medium at finite temperature
AU  - Fathimath Shifa N K
AU  - Navpreet Kaur
AU  - Abi Jebarson A
AU  - Arvind Kumar
AU  - Suneel Dutt
AU  - Harleen Dahiya
PY  - 2026
DA  - 2026/09/29
PB  - arXiv
DO  - 10.48550/arxiv.2609.37186
UR  - https://arxiv.org/abs/2609.37186
AB  - We investigate the structure of the pion in a magnetized nuclear medium at finite temperature by analyzing the in-medium modifications of its parton distribution functions (PDFs) and electromagnetic form factors (EMFFs). We use a unified framework combining the chiral SU(3) quark mean field (CQMF) model and the light-cone quark model (LCQM) where the in-medium quark masses are evaluated using the CQMF model and subsequently employed as inputs in the light-cone formalism. The study systematically explores the effects of magnetic field, baryon density, temperature, and isospin asymmetry on the pion structure. In addition, Dirac sea contributions are incorporated to account for vacuum polarization effects in the medium. Our results of PDFs and EMFFs provide valuable insights into the modification of pion properties under extreme conditions, highlighting the significant role of the surrounding medium in altering its internal structure.
ER  -

Abstract

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