Researchers from Aalto University and the Institute of Physics CAS have achieved a breakthrough in creating artificial quantum materials, specifically entangled quantum magnets with protected excitations. This achievement has significant implications for future quantum technologies.
By carefully engineering how atoms interact within the material, the researchers were able to create a new state of quantum matter known as topological quantum magnetism. This novel state combines exotic quantum excitations that do not exist elsewhere and features substantial protection against decoherence.
The team led by assistant professor Jose Lado at Aalto University created the theoretical design for the material, while associate professor Kai Yang’s group at the Institute of Physics CAS built and measured the artificial material using atomic manipulation with scanning tunneling microscopy. The experiment demonstrated for the first time a higher-order topological quantum magnet, which has the potential to revolutionize the field of quantum technology.
This breakthrough could enable the creation of new physical phenomena that are beyond the capabilities of current quantum materials, allowing for more robust and protected qubits. As Lado explains, “Creating a many-body topological quantum magnet makes it possible to explore an exciting new direction in physics.”
The research was published today in Nature Nanotechnology.
Source: https://phys.org/news/2024-08-entangled-quantum-magnets.html