Updated affiliation.

tex/aps-spin-lifetime.tex

@@ -18,7 +18,7 @@
   \author{Vivek Aji}
   \email{[email protected]}
 
-  \affiliation{Department of Physics, University of California, Riverside, California 92507, USA}
+  \affiliation{Department of Physics, University of California, Riverside, Riverside, California 92521, USA}
 
   \title{Effect of contacts on spin lifetime measurements in graphene}
   \date{\today}