Coexistence of Elastic Modulations in the Charge Density Wave State of 2H-NbSe2

B. Guster, C. Rubio Verdú, R. Robles, J. Zaldívar, P. Dreher, J. M. Alonso Pruneda, J. A. Silva Guillén, C. Deung-Jang, J. I. Pascual, M. M. Ugeda, P. Ordejón, and E. Canadell