In a groundbreaking discovery, researchers led by Associate Professor Nobuhiro Yanai from Kyushu University’s Faculty of Engineering have achieved quantum coherence at room temperature. By embedding a chromophore, a dye molecule, in a metal-organic framework (MOF), the team was able to maintain a well-defined quantum state over time without being affected by external disturbances.
Quantum coherence is a crucial advancement for quantum computing and sensing technologies. Quantum sensing uses the quantum properties of qubits, which are the quantum analogs of classical computing bits and can exist in a superposition of both 0 and 1 states. This technology has the potential to revolutionize sensing with higher resolution and sensitivity compared to traditional techniques.
While achieving quantum coherence at low temperatures has been a common practice, maintaining it at room temperature has been a significant challenge. However, the researchers leveraged the properties of a chromophore based on pentacene and a UiO-type MOF to overcome this obstacle. The MOF structure allowed for the controlled rotation of the embedded chromophores while maintaining quantum coherence at room temperature.
Through the use of microwave pulses, the researchers observed the quantum coherence of entangled quintets for over 100 nanoseconds at room temperature. This achievement opens doors for designing materials that can generate multiple qubits at room temperatures, bringing us one step closer to the realization of room-temperature molecular quantum computing.
Associate Professor Nobuhiro Yanai speculates that future research can focus on finding guest molecules that induce even more motion suppression and developing suitable MOF structures. By doing so, it will be possible to generate quintet multiexciton state qubits more efficiently, leading to further advancements in quantum gate control and quantum sensing of various compounds.
This groundbreaking research paves the way for a future where quantum coherence can be achieved at room temperature, opening new possibilities for quantum computing and sensing applications.
The source of the article is from the blog reporterosdelsur.com.mx