Artistic impressions of the Dirac cones reshaped by e-e interaction
Researchers have taken another step forward towards the understanding of wonder material graphene. Research institutes and universities around the world are already looking at ways to build devices such as touch-screen phones, ultrafast transistors and photodetectors. Now the new findings promise to accelerate that research, and potentially open up countless more electronic opportunities. The researchers, from the universities of Manchester, Madrid and Moscow, have studied the effect of interactions between electrons on the electronic properties of graphene. Surprisingly, they found that such interactions between electrons significantly enhance the already high velocity of electrons in graphene. This is the first effect of its kind where the interactions between electrons in graphene could be seen most clearly. The reason for such unique electronic properties is that electrons in this material are very different from those in any other metals.
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