Cserti, József <br/><br/>
Caustics due to a negative refractive index in circular graphene p-n junctions.  [electronic resource] 

 -  Physical review letters  Dec 2007 
 - 246801 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0031-9007 
<br/><br/><label>Standard No.: </label>10.1103/PhysRevLett.99.246801  doi