Title: "Quantum Entanglement in Many-Body Systems and Boundary Theories" (Video)
Abstract: Entanglement are correlations between many quantum systems that cannot be described by classical theories. Entanglement is a key concept in quantum information theory and more recently it has been realized that it also has an important role in other areas of physics, from condensed matter and statistical mechanics to high energy physics. In this talk I will discuss the study of entanglement in quantum states composed of many bodies. I will discuss the concepts of entanglement area law, topological entanglement entropy and entanglement spectrum. I'll argue how recent advances in quantum information theory allows for a deeper understanding of these concepts and their relations to boundary theories.