Quantum computer chips demonstrated at the highest temperatures ever
Quantum computing is heating up. For the first time, quantum computer chips
Quantum computers are made of quantum bits, or qubits(量子比特),
These systems only function at extremely low temperatures-below 100 millikelvin, or -273.05℃ -so the qubits have to be stored in powerful refrigerators. The electronics that power them won’t run at such low temperatures, and also emit heat that could disrupt the qubits, so
“Eventually, for useful quantum computing, we will need to go to something like a million qubits, and this sort of brute force method, with one wire per qubit, won’t work any more,” says Menno Veldhorst at QuTech in the Netherlands. “It works for two qubits, but not for a million.”
Veldhorst and his colleagues,
Those quantum circuits will be similar in many ways to the circuits we use of traditional computers, so they can be scaled up relatively easily
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