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Peer-reviewedCC BY 4.0Journal of High Energy Physics

Holographic metals at finite volume

  • Lucas Acito1
  • Nicolás Grandi1
  1. 1Instituto de Física La Plata (IFLP), CONICET & Departmento de Física Dr. Emil H. Bose, UNLP
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Abstract

We construct the electron star solution in asymptotically global AdS spacetime, and investigate its thermodynamic stability properties, both globally with respect to the Reissner-Nordström and thermal AdS spacetimes, and under local perturbations of the thermodynamic variables. The solution is sourced with a perfect fluid at finite temperature, which implies that the “suspended electron cloud” previously reported in the literature does not appear as an equilibrium phase. We interpret the resulting system as that of a holographic metal confined to a finite volume. The corresponding grand canonical phase diagram reveals a rich structure of transitions involving three dominant phases, which depend strongly on the fluid parameters characterizing the star. Finally, we identify a quantum critical point at finite chemical potential, around which these different phases are organized.

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Cite

BibTeXRIS
BibTeX
@article{acito2026holographic,
  title = {{Holographic metals at finite volume}},
  author = {Lucas Acito and Nicolás Grandi},
  journal = {Journal of High Energy Physics},
  year = {2026},
  month = nov,
  doi = {10.1007/jhep11(2026)033},
  url = {https://link.springer.com/article/10.1007/JHEP11(2026)033},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Holographic metals at finite volume
AU  - Lucas Acito
AU  - Nicolás Grandi
PY  - 2026
DA  - 2026/11/04
JO  - Journal of High Energy Physics
DO  - 10.1007/jhep11(2026)033
UR  - https://link.springer.com/article/10.1007/JHEP11(2026)033
AB  - We construct the electron star solution in asymptotically global AdS spacetime, and investigate its thermodynamic stability properties, both globally with respect to the Reissner-Nordström and thermal AdS spacetimes, and under local perturbations of the thermodynamic variables. The solution is sourced with a perfect fluid at finite temperature, which implies that the “suspended electron cloud” previously reported in the literature does not appear as an equilibrium phase. We interpret the resulting system as that of a holographic metal confined to a finite volume. The corresponding grand canonical phase diagram reveals a rich structure of transitions involving three dominant phases, which depend strongly on the fluid parameters characterizing the star. Finally, we identify a quantum critical point at finite chemical potential, around which these different phases are organized.
SN  - 1029-8479
ER  -