Matter and Radiation at Extremes (MRE) is an open access journal. Articles published in MRE are freely accessible, without restriction, to the global public. Although MRE is an open access journal, authors are not responsible for any publication charges. The open access publication fee is funded by the Science and Technology Information Center, China Academy of Engineering Physics. Authors who publish in MRE retain the copyright to their work under a Creative Commons license. Under this license, users are free to share and adapt the material in any format, provided appropriate credit is given. Visit the AIP Publishing Open Access Policy for more information about our policies on open access.