Scientists have made a groundbreaking discovery that could revolutionize quantum computation. Researchers from University College Dublin and the Indian Institute of Technology have found a way to create objects that behave like half of an electron, known as Majorana fermions. This breakthrough could lead to the development of topological quantum computers.
The research was published in Physical Review Letters and reveals how quantum mechanics influences nanoscale circuits. The team discovered that when electrons are forced close together, they strongly repel each other, changing the quantum interference effect. This phenomenon allows for the creation of “split-electrons” that can behave like half an electron.
Majorana fermions are crucial for topological quantum computers, which could revolutionize quantum computation. The discovery was made by Professor Andrew Mitchell and Dr. Sudeshna Sen, who used theoretical physics to study the quantum properties of nanoscale electronic circuits.
According to Dr. Sen, “The miniaturization of electronics has reached the point where circuit components are just nanometers across. At that scale, the rules of the game are set by quantum mechanics, and you have to give up your intuition about the way things work.”
Professor Mitchell explained that the quantum interference observed in nanoelectronic circuits is similar to the famous double-slit experiment. This experiment demonstrates the wave-like properties of quantum particles like electrons.
The discovery has significant implications for the development of new quantum technologies. If Majorana fermions can be created and manipulated in electronic devices, it could lead to the creation of topological quantum computers that are more powerful and efficient than current classical computers.
Source: https://thequantuminsider.com/2024/09/24/majorana-fermion-produced-by-quantum-interference-in-a-nano-scale-circuit/