@article{3700, author = {Dimitar Popmintchev and Carlos Hernández-García and Franklin Dollar and Christopher Mancuso and Jose Pérez-Hernández and Ming-Chang Chen and Amelia Hankla and Xiaohui Gao and Bonggu Shim and Alexander Gaeta and Maryam Tarazkar and Dmitri Romanov and Robert Levis and Jim Gaffney and Mark Foord and Stephen Libby and Agnieszka Jaron-Becker and Andreas Becker and Luis Plaja and Margaret Murnane and Henry Kapteyn and Tenio Popmintchev}, title = {Ultraviolet surprise: Efficient soft x-ray high-harmonic generation in multiply ionized plasmas}, year = {2015}, journal = {Science}, volume = {350}, pages = {1225-1231}, month = {2015-04}, url = {http://www.sciencemag.org/content/350/6265/1225.full}, doi = {10.1126/science.aac9755}, }