 Resonant activation (RA) is a well-studied phenomenon in thermally activated barrier crossing events, where internal noise can constructively facilitate the barrier crossing .
<meaning-changed>  Resonant activation (RA) is a well-studied phenomenon in thermally activated barrier crossing events, where internal noise can constructively facilitate the barrier crossing .
 Resonant activation (RA) is a well-studied phenomenon in thermally activated barrier crossing events, where internal noise can constructively facilitate fast and synchronized barrier crossings .