Unveiling the Secrets of Emergent Phenomena in Quantum Systems: A Journey Through Light-Matter Interaction

In the realm of quantum mechanics, the study of emergent phenomena has opened up new avenues for understanding the behavior of matter at the most fundamental level. One of the most fascinating aspects of this research is the role that light-matter interaction plays in shaping these phenomena. From inducing photo-dressing Floquet states to dynamically engineering electronic properties, light has proven to be a powerful tool for probing and manipulating quantum systems.

One of the key areas where light-matter interaction has made significant contributions is in the study of topological fermions in transition metal silicides. Researchers have discovered that these materials can exhibit unconventional chiral fermions and large topological Fermi arcs, which have far-reaching implications for our understanding of quantum mechanics. Additionally, studies have shown that beyond Dirac and Weyl fermions, there exist other types of quasiparticles that can be found in conventional crystals.

The study of three-dimensional topological semimetals has also been revolutionized by light-matter interaction. By using experimental techniques such as electric field effects and Floquet engineering, researchers have been able to dynamically change the energy landscape of these materials, leading to the emergence of novel properties such as superconductivity or hidden states.

Furthermore, light-matter interaction has been used to detect and manipulate various quantum degrees of freedom in 2D and topological materials. By coupling the angular momentum of light with spins and pseudospins, researchers have been able to create new devices that can control and manipulate these properties. Additionally, by coupling light-matter interaction to the geometric phase of Bloch wavefunctions, researchers have been able to probe and manipulate geometric-phase-related properties in a way that was previously impossible.

In conclusion, the study of emergent phenomena in quantum systems is an exciting and rapidly evolving field that has the potential to lead to new breakthroughs in our understanding of the behavior of matter. The role that light-matter interaction plays in shaping these phenomena is critical, and researchers continue to explore new ways to harness this interaction to gain insights into the underlying physics.

Emergent phenomena in quantum systems