Trinity and IBM Dublin simulate superdiffusion on a quantum computer, marking a milestone in quantum physics.
; this avant-garde work thrusts the areas of condensed matter physics and materials science into new and unexplored realms.Quantum computing is inching closer to commercial applications. Trinity and IBM Dublin's collaborative project addresses one of the riveting fundamental questions of quantum simulation. Professor John Goold, Director of Trinity Quantum Alliance, who led the study, explains the magnitude of this accomplishment.
He said that simulating the dynamics of a complex quantum system is a daunting task for regular computers. Consider a device with 27 qubits : to describe this system, a conventional computer must store about 134 million coefficients in memory. As the number of qubits increases say to 300, the demands become so immense that no standard computer can handle it.
The research team focused on simulating spin chains, which are little connected magnets used to understand magnetism. They were exploring a model called the Heisenberg chain and were interested in how spin excitations move across the system over time. They discovered something called superdiffusion, governed by an equation usually associated with growth phenomena like the height of snow during a snowstorm or how a stain on cloth spreads.
Juan Bernabé-Moreno, Director of IBM Research UK & Ireland, voiced his enthusiasm about IBM's commitment to advancing quantum computing technology and expressed delight over the promising results of the collaboration with Trinity College Dublin.As the world embarks on a new era of quantum simulation, Trinity's quantum physicists are leading the way, scripting the future of technology.
IBM's collaboration with Trinity has once again underscored the rapidly developing landscape of quantum computation, opening new avenues and reinforcing the belief that quantum physics is not just a theoretical but a practical path to the future's technological marvels.Understanding how hydrodynamic behaviour emerges from the unitary evolution of the many-particle Schrödinger equation is a central goal of non-equilibrium statistical mechanics.
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