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February 25th, 2011
Could Super Conducting Graphene Quantum Dots Lead to Solid-State Qubits?
Quantum computers are sometimes referred to as the Holy Grail of computing, or maybe the Philosopher's Stone of computing might be another appropriate medieval reference to a nearly unattainable quest. In any case, while some outfits have claimed they have achieved fairly significant quantum computer prototypes despite being met with skepticism, creating a quantum computer that can calculate something beyond what a kid in elementary school can factor has proven difficult.
One of the fundamental issues researchers have faced in developing quantum computers has been the problem of getting the computers to maintain more than a few quantum bits (or qubits). One of the more promising ways of getting beyond a mere seven qubits has been the use of quantum dots.
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