Kummer, K., Vyalikh, D. V., Rettig, L., Cortes, R., Kucherenko, Y., Krellner, C., Geibel, C., Bovensiepen, U., Wolf, M., & Molodtsov, S. L. (2012). Ultrafast quasiparticle dynamics in the heavy-fermion compound YbRh2Si2. Physical Review B, 86(8):, pp. 085139-1-085139-6. doi:10.1103/PhysRevB.86.085139.