Integrating Science and Innovation: Research on Liquid Crystal and Topological Order

Prof. Zi Yang Meng from HKU’s Department of Physics is at the forefront of exploring the fascinating relationship between liquid crystal order and topological order in two-dimensional flat-band systems. This groundbreaking study was first featured as part of a Croucher Advanced Study Institute on Fractional Chern Insulators (FCIs)—a newly discovered state of matter that represents a cutting-edge advancement in quantum research.

At the core of this research lies the investigation of two-dimensional materials, which have captivated scientists due to their unique electronic properties. Prof. Meng’s work focuses on flat-band systems, where electrons demonstrate unexpected behaviours that can give rise to exotic phases of matter. By studying the coexistence of liquid crystal order—a state of matter that exhibits both fluidity and long-range order—with topological order, the research reveals pathways to creating novel materials with fascinating electronic characteristics.

The implications of Prof. Meng’s research extend well beyond theoretical physics. Controlling electronic states in materials can lead to significant advancements across industries such as electronics, materials science, and nanotechnology. Potential applications range from enhanced transistors and sensors to improved memory devices, which could lead to more efficient computing and communication technologies that benefit society as a whole.

Moreover, the study encourages knowledge exchange among scientists, engineers, and the broader community. By collaborating with multiple stakeholders—such as educational institutions, governmental entities and general public, Prof. Meng exemplifies the value of interdisciplinary approaches in addressing global challenges. The insights gained from his research have the potential to raise awareness of the importance of scientific discovery and to elevate the quality of life through practical applications. 

Public engagement also plays a critical role in the societal impact of this research. Prof. Meng aims to raise awareness of the principles and potential uses of liquid crystals and topological materials, inspiring future generations of scientists and innovators. Educational outreach initiatives can make complex scientific concepts accessible, fostering a scientifically literate society. Part of this research is also included in one chapter of a very successful popular science book he wrote.

Additionally, the significance of funding and institutional support in facilitating such research cannot be overstated. Organisations like the Croucher Foundation are pivotal in backing researchers, providing essential resources, and promoting collaboration. The findings from Prof. Meng’s work enrich academic understanding and offer novel applications that could transform industries.

In conclusion, Prof. Zi Yang Meng's exploration of the interplay between liquid crystal order and topological order, first showcased at the Croucher Advanced Study Institute on Fractional Chern Insulators, represents a commitment to advancing knowledge and fostering societal impact. The technological innovations emerging from this research promise to create a more interconnected and progressive future.

To read more on Prof. Meng’s new book, Shouts and Hesitations in the Quantum Crowd: A Glimpse into the Frontier of Quantum Matter《量子多体中的呐喊与彷徨： 量子物质科学前沿浅谈》, please follow this link:https://quantummc.xyz/2026/01/19/book/.