viernes, 24 de agosto de 2018

A Novel Graphene Quantum Dot Structure Takes the Cake | NIST

A Novel Graphene Quantum Dot Structure Takes the Cake | NIST

NIST

A Novel Graphene Quantum Dot Structure Takes the Cake

August 23, 2018
cake

In a marriage of quantum science and solid-state physics, researchers at the National Institute of Standards and Technology (NIST) have used magnetic fields to confine groups of electrons to a series of concentric rings within graphene, a single layer of tightly packed carbon atoms.
This tiered “wedding cake,” which appears in images that show the energy level structure of the electrons, experimentally confirms how electrons interact in a tightly confined space according to long-untested rules of quantum mechanics. The findings could also have practical applications in quantum computing.

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