Element 6: Single crystal artificial diamonds create a new record of room temperature qubit storage time

Element Six leads the development and manufacture of synthetic diamonds, natural industrial grade diamonds and other industrial abrasive materials in the world. These materials are mainly used in the manufacture of professional tools such as drilling tools, cutting tools, grinding tools, iron ore, non-ferrous ore, glass, plastic polishing tools. Its synthetic diamonds, industrial grade diamonds and superhard products are among the best in the world. Recently, the company has also reported that Harvard University and California Institute of Technology and the German Max Planck Institute for Photovoltaic use the company's single crystal artificial diamonds to set a new record of room temperature qubit storage time of more than 1 second. This is the first time humans have used a material to store quantum bits at room temperature for such a long time. It is known that there is a state similar to the classical bit - 0 or 1, the qubit also has a state, and the two states of the qubit can be expressed as ∣0> and ∣1>. The difference between a classical bit and a qubit is that the state of the qubit can fall outside of ∣0> and ∣1>. A qubit can be a linear combination of states, often referred to as a superposition state. In other words, the state of a qubit is a vector in a two-bit complex vector space. Haier Lukin, a professor of physics at Harvard University who participated in the research collaboration, said that it is a very exciting achievement for element VI's synthetic diamond material to store more than one second per second at room temperature. New research results represent With the latest developments in quantum information processing, this new discovery is expected to help people develop new quantum communications and technologies, and in the near future will help develop new quantum sensors. In the study of quantum mechanics, one second is definitely a very long period of time, and if a material is captured and stored for a long time and then forwarded, then it means that the subnet is expanded. area. It is especially precious to be able to operate quantum bits at normal temperature and pressure!

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