1. Multiphoton transitions for delay-zero calibration in attosecond spectroscopy. (9th January 2015) Authors: Herrmann, J; Lucchini, M; Chen, S; Wu, M; Ludwig, A; Kasmi, L; Schafer, K J; Gallmann, L; Gaarde, M B; Keller, U Journal: New journal of physics Issue: Volume 17:Number 1(2015:Jan.) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Theoretical analysis of attosecond quantum beat spectroscopy of helium excited states. (August 2015) Authors: Zimmermann, T; Landsman, A S; Lucchini, M; Ludwig, A; Kasmi, L; Herrmann, J; Gallmann, L; Scrinzi, A; Keller, U Journal: Journal of physics Issue: Number 635(2015) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗