Trinity's quantum physicists in collaboration with IBM Dublin have successfully simulated super diffusion in a system of interacting quantum particles on a quantum computer.
and is physically located in IBM's lab in Yorktown Heights in New York and programmed remotely from Dublin.
Explaining the significance of the work and the idea of quantum simulation in general, Trinity's Professor John Goold, director of the newly established Trinity Quantum Alliance, who led the research, says,"Generally speaking the problem of simulating the dynamics of a complex quantum system with many interacting constituents is a formidable challenge for conventional computers."the state of such a system is described mathematically by an object called a wave function.
So what exactly did the team simulate? Prof. Goold continues,"Some of the simplest non-trivial quantum systems are spin chains. These are systems of little connected magnets called spins, which mimic more complex materials and are used to understand magnetism. We were interested in a model called the Heisenberg chain and we were particularly interested in the long-time behavior of how spin excitations are transported across the system.
IBM-Trinity predoctoral scholar Nathan Keenan, who programmed the device as part of the project tells us of some of the challenges to program quantum computers.
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