F Wang, J V Alvarez, J W Allen, S K Mo, J He, R Jin, D Mandrus, H Hochst, Quantum critical scaling in the single-particle spectrum of a novel anisotropic metal, PRL 103, 136401 (2009)
F D M Haldane, General relation of correlation exponents and spectral properties of one-dimensional fermi systems: application to the anisotropic S=1/2 Heisenberg Chain, PRL 45, 1358 (1980)