<affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Division of Applied Sciences and Department of Physics, Harvard University, Cambridge, Massachusetts 02138</s1>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
</inist:fA14>
<country xml:lang="fr">États-Unis</country>
<placeName><region type="state">Massachusetts</region>
<settlement type="city">Cambridge (Massachusetts)</settlement>
</placeName>
<wicri:cityArea>Division of Applied Sciences and Department of Physics, Harvard University, Cambridge</wicri:cityArea>
<orgName type="university">Université Harvard</orgName>
</affiliation>