"Since its foundation the journal's impact factor has been increasing and for the first time passed that of the older and prestigious non-open-access journal Physical Review Letters for the year 2013. This makes Physical Review X currently the journal within the family of Physical Review journals with the highest impact factor."
"Since its foundation the journal's impact factor has been increasing and for the first time passed that of the older and prestigious non-open-access journal Physical Review Letters for the year 2013. This makes Physical Review X currently the journal within the family of Physical Review journals with the highest impact factor."