Contents/conteúdo

String Theory Seminar   RSS

Planned sessions

29/03/2021, 15:00 — 16:00 Europe/Lisbon — Instituto Superior Técnicohttp://tecnico.ulisboa.pt
Dmitry Melnikov, ITEP Moscow

Entanglement and Complexity in Topological Quantum Field Theories

One of the attractive ideas of building a quantum computer is based on the topological properties of matter. In such a realization, the Topological Quantum Field Theories (TQFT) become the main language to describe the functioning of the quantum computer. In my talk I will discuss some basic elements of the topological quantum computing. I will start from a description of TQFTs as instances of quantum mechanics in terms of category theory. Then I will review the notion of quantum entanglement in this context. As a further preparation to quantum computations I will discuss the question of complexity of quantum algorithms and quantum states. I will introduce a complexity measure for a simple class of the "torus knot states" and review some alternative recent measures and approaches from the literature.

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Current organizers: Gabriel Lopes Cardoso, Suresh Nampuri.

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