NEW YORK: IBM made two “critical” advances that bring us closer to the creation of an ultra-fast quantum computer. The researchers demonstrated the ability to detect and measure both types of quantum errors (bit-flip and phase-flip) at the same time. They also revealed a new square quantum bit circuit design that could successfully scale to much larger dimensions.
The new quantum bit circuit is based on a square lattice of four superconducting qubits. Its square shape, as opposed to a linear array, allows both errors to be detected simultaneously and has the best potential to be incorporated into a working-size quantum system to date.
“Quantum computing could be potentially transformative, enabling us to solve problems that are impossible or impractical to solve today,” said Arvind Krishna, senior vice president and director of IBM Research. “While quantum computers have traditionally been explored for cryptography, one area we find very compelling is the potential for practical quantum systems to solve problems in physics and quantum chemistry that are unsolvable today. This could have enormous potential in materials or drug design, opening up a new realm of applications.”
Quantum computing could lead to the development of new materials and drug compounds without the need for costly trial and error lab experiments. They could also quickly sort huge databases and store a staggering amount of data.
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