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Austrian physicists successfully superimposed two logic gates in the laboratory to build a new quantum computer model that can perform quantum computing tasks more efficiently than standard quantum computers. The new research is expected to establish a theoretical basis for new quantum computing, and to design a quantum computer with faster calculation speed.
Although there are many unsolved mysteries in the theory of quantum mechanics, many quantum phenomena have been verified and applied in many fields: from super-safe communication to finding security holes in existing communications, from simulating complex quantum systems to large-scale equations. Finding answers, and so on. The most exciting technologies in these applications are quantum computers.
Quantum logic gates are the basic units of quantum computers, and it is difficult to construct enough quantum gates to implement quantum computing. In traditional quantum computing, quantum logic gates are arranged in a specific order, that is, one logic gate can only be in front of another logic gate.
New research has realized the superposition of quantum logic gates. They can interact in multiple sequences at the same time, which will greatly reduce the number of quantum logic gates in some quantum computations.
The team of physicists at the Austrian Academy of Sciences and the University of Vienna, led by Philip Watt, designed an experiment to apply two logic gates to a single-photon circuit. It was found that the two logic gates did not perform the quantum in a single sequence after you and me. The operation, but at the same time in two sequences, namely the logic gate A before the logic gate B and the logic gate B before the logic gate A two logical sequences.
If more logic gates are added, more logic sequence superposition states will be formed at the same time, which is faster and more efficient than previous quantum calculations.
This is the first time that scientists have implemented the superposition of quantum gates in the laboratory, and at the same time it has also proved a new and more efficient method of quantum computing.
The latest research to be published in the "Nature and Communications" magazine opens the door for the creation of a new quantum computer in the future.
Studies have found that not only quantum states can be superimposed but quantum gates can also be superimposed. Watts of the University of Vienna successfully implemented the superposition of two quantum gates, A and B, and the resulting disordered quantum computer was more efficient than the single-sequence quantum computer.
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