Metallic-like droplets produced by irradiating rare-gas clusters with free electron laser pulsesM. Yao, K. Nagaya, H. Iwayama, H. Fukuzawa, K. Ueda, M. Nagasono and T. IshikawaEur. Phys. J. Special Topics, 196 (2011) 175-180DOI: https://doi.org/10.1140/epjst/e2011-01427-x