Abstract
We have investigated the fermionic spectral function in p-wave holographic superconductors. We show that the vector model with minimal coupling reveals a p-wave spectral function with Fermi arc. This should be contrasted with the previous investigation where p-wave arc was demonstrated in the presence of a tensor field. We study the momentum dependent order parameter, the ω-gap in the real part of the conductivity and the fermion spectral function. In addition, we juxtapose the fermionic spectral gap with the order parameter in the holographic set. We demonstrate the impact of coupling constants, temperature and chemical potential on the spectral function.
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Acknowledgments
This work is supported by Mid-career Researcher Program through the National Research Foundation of Korea grant No. NRF-2021R1A2B5B02002603 and NRF-2022H1D3A3A01077468 as well as RS-2023-00218998 of the Basic research Laboratory support program. We thank the APCTP for the hospitality during the focus program, where part of this work was discussed.
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Ghorai, D., Yuk, T. & Sin, SJ. Fermi arc in p-wave holographic superconductors. J. High Energ. Phys. 2023, 3 (2023). https://doi.org/10.1007/JHEP10(2023)003
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DOI: https://doi.org/10.1007/JHEP10(2023)003