Building Topological Quantum Matter in Superconducting Wire Arrays as a Path Towards Quantum Computing

ABSTRACT

Exotic states of matter are among many physical systems that are candidates for realizing quantum computing. Topological states are at the top of the list. However, even though the theory is highly developed, having been initiated over 50 years ago, the particular versions necessary for quantum computing have proven very difficult to build.

The goal of this talk is twofold: to review one of the simplest topological models — the toric code — and to show how it may be realized. On the toric code, our discussion will be pedagogical. On realization, we will focus on the basic elements of "combinatorial gauge symmetry" (CGS), a scheme that we introduce. We will discuss the experimental advantages vs the challenges, as well as generalizations and new models that emerge from this framework.

BIOGRAPHY

While serving in a variety of leadership roles at top-tier hedge funds, Dmitry Green maintained an original research program in quantum physics at the same time, including as an Adjunct Professor of Physics at Boston University. His work has been designated as a milestone by the American Physical Society and forms the foundation for some quantum technologies today — notably in topological matter. His current research focuses on building synthetic topological matter and computing using quantum circuits which are available today. Dmitry is the founder of Ising Ventures, which focuses on investing in quantum technologies and advisory.