Physicists at the University of Innsbruck have now found a new method to further develop the highly complex and dimensional quantum computers. They use so-called quantum bits and quantum digits.
Where we are used to calculating with the numbers zero to nine, computers work with the binary code and the numbers zero and one. This is how quantum computers were born. These do not calculate simple math tasks, such as 9×9, with these numbers, but fall back to the binary code. To make computers, which are often confronted with very complex tasks, work even more efficiently, a team led by Martin Ringbauer from the Institute for Experimental Physics at the University of Innsbruck has developed a new method.
Not only do they use quantum bits (also called qubits), but they also rely on quantum ciphers (qudits). Quantum computers react extremely sensitively to environmental influences, they have to perform calculations with as few steps as possible. One of the special properties of quantum systems, and central to the superior computational power of quantum computers, is entanglement. To exploit this potential, it is critical to generate entanglement of high-dimensional systems in an efficient and robust manner.
Challenging problems take advantage
The Innsbruck physicists’ new method can now entangle two qudits, each with up to five states. Martin Ringbauer explains: “Quantum systems, such as stored ions, have much more than just two states that can be used for information processing.” take advantage of the more natural language of quantum computing.
Source: Krone
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