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arXiv · 1703.02280

Weak measurement of quantum superposition states in graphene

Maxim Trushin·Johannes Bülte·Wolfgang Belzig
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Abstract

We employ a weak measurement approach to demonstrate the very existence of the photoexcited interband superposition states in intrinsic graphene. We propose an optical two-beam setup where such measurements are possible and derive an explicit formula for the differential optical absorption that contains a signature of such states. We provide an interpretation of our results in terms of a non-Markovian weak measurement formalism applied to the pseudospin degree of freedom coupled with an electromagnetic wave.

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Maxim Trushin, Johannes Bülte, Wolfgang Belzig. 2017-09-25. Weak measurement of quantum superposition states in graphene. https://doi.org/10.1103/physrevb.96.125146

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