Addressing this need, a research team is now introducing a new approach for transducing quantum information: the team has manipulated quantum bits, so called qubits, by harnessing the magnetic field of magnons -- wave-like excitations in a magnetic material -- that occur within microscopic magnetic disks.
This has prompted researchers to distribute the functionalities of quantum computers among distinct separate building blocks, in an effort to reduce error rates, and harness complementary advantages from their constituents."However, this poses the problem of transferring the quantum information between the modules in a way that the information doesn't go missing," says HZDR researcher Mauricio Bejarano, first author of the publication.
To isolate the microwaves from the magnons, the HZDR team used an exotic magnetic phenomena observable in microscopic magnetic disks of a nickel-iron alloy."Due to a nonlinear process, some magnons inside the disk possess a much lower frequency than the driving frequency of the antenna. We manipulate qubits only with these lower frequency magnons." The research team emphasizes they did not perform any quantum calculations yet.
Qubits are often made of the same semiconducting materials as our everyday electronics. But now an interdisciplinary team of chemists and physicists has developed a new ...
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