Contains the keyword One-particle spectral function

Liu J. Data Driven Analytic Continuation for One Particle Spectral Functions. In: Simos T, Psihoyios G, Tsitouras C, editors. 11th International Conference of Numerical Analysis and Applied Mathematics 2013, Pts 1 and 2. Vol 1558. Melville: Amer Inst Physics; 2013. p. 1827-30. (AIP Conference Proceedings; vol 1558). Abstract