Abstract
We continue our recently proposed holographic description of single-particle correlation functions for four-dimensional chiral fermions with Lifshitz scaling at zero chemical potential, paying particular attention to the dynamical exponent z = 2. We present new results for the spectral densities and dispersion relations at non-zero momenta and temperature. In contrast to the relativistic case with z = 1, we find the existence of a quantum phase transition from a non-Fermi liquid into a Fermi liquid in which two Fermi surfaces spontaneously form, even at zero chemical potential. Our findings show that the boundary system behaves like an undoped Weyl semimetal.
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ArXiv ePrint: 1209.2593
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Gürsoy, U., Jacobs, V., Plauschinn, E. et al. Holographic models for undoped Weyl semimetals. J. High Energ. Phys. 2013, 127 (2013). https://doi.org/10.1007/JHEP04(2013)127
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DOI: https://doi.org/10.1007/JHEP04(2013)127