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Quantum processors are difficult to compare due to the different architectures and approaches. Due to this, published physical qubit numbers do not reflect the performance levels of the processor. This is instead achieved through the number of logical qubits or benchmarking metrics such as quantum volume , randomized benchmarking or circuit ...
A quantum computer is a computer that exploits quantum mechanical phenomena. On small scales, physical matter exhibits properties of both particles and waves , and quantum computing leverages this behavior using specialized hardware.
[5] [6] Hartmut Neven, founder and lead of Google Quantum AI, told the BBC that Willow would be used in practical applications, [4] and in the announcement blogpost expressed the belief that advanced AI will benefit from quantum computing. [1] Willow follows the release of Foxtail in 2017, Bristlecone in 2018, and Sycamore in 2019.
In October 2023, the 1,000 qubit mark was passed for the first time by Atom Computing's 1,180 qubit quantum processor. [9] However, as of 2024, only two quantum processors have over 1,000 qubits, with sub-1,000 quantum processors still remaining the norm. [10]
As of December 2023, the concept has been used to demonstrate a 48 logical qubit processor. [6] [7] To perform computation, the atoms are first trapped in a magneto-optical trap. [6] Qubits are then encoded in the energy levels of the atoms. Initialization and operation of the computer is performed via the application of lasers on the qubits. [8]
Quantum computing vs. AI: What's the better investment? Investors should be aware that quantum computing is still an emerging technology. Companies like Quantum Computing, D-Wave Quantum, and ...