Using natural quantum interactions allows faster, more robust computation for Grover’s algorithm and many others. Los Alamos National Laboratory scientists have developed a groundbreaking quantum computing approach using natural quantum interactions. This method promises longer-lived qubits, effi
The quantum-computing strategy uses a simple magnetic field to rotate qubits, such as the spins of electrons, in a natural quantum system.
A potentially game-changing theoretical approach to quantum computing hardware circumvents much of the problematic complexity found in current quantum computers. The strategy implements an algorithm in natural quantum interactions to process a variety of real-world problems faster than classical computers or conventional gate-based quantum computers can.
Sinitsyn said the team hopes to collaborate with experimental physicists also at Los Alamos to demonstrate their approach using ultracold atoms. Modern technologies in ultracold atoms are sufficiently advanced to demonstrate such computations with about 40 to 60 qubits, he said, which is enough to solve many problems not currently accessible by classical, or binary, computation. A qubit is the basic unit of quantum information, analogous to a bit in familiar classical computing.
The new approach relies on natural rather than induced entanglement, so it requires fewer connections among qubits. That reduces the impact of decoherence. Thus, the qubits live for relatively a long time, Sinitsyn said.The Los Alamos team’s theoretical paper showed how the approach could solve a number-partitioning problem using Grover’s algorithm faster than existing quantum computers.
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