Author Details

Gómez-Gardeñes, Jesús, <!-- p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 11.0px 'Helvetica Neue'; color: #000000; -webkit-text-stroke: #000000} span.s1 {font-kerning: none} --> <p class="p1"><span class="s1">Department of Condensed Matter Physics, University of Zaragoza, E-5000