Quantum Circuits Tackle Subatomic Particle Collisions, Hundreds of Qubits Used
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Hundreds of qubits are now being harnessed to simulate the chaotic aftermath of subatomic particle collisions, a feat previously impossible with even the most powerful classical computers. Led by Martin Savage, a professor of physics at the University of Washington, a research team modeled hadron collisions, involving protons and neutrons, the building blocks of matter, using quantum circuits supported by the Department of Energy’s Oak Ridge National Laboratory. These collisions produce a large number of particles, all with varying energies, and understanding them requires calculations that have long exceeded the limits of traditional computing. “These collisions are absolutely essential for a deeper understanding of high-energy physics and the study of matter in extreme conditions, but the size of the necessary equations for modeling them has always been far beyond the capabilities of current classical computers,” Savage said.
The team employed 112 of IBM’s Torino quantum computer’s 133 qubits to track the evolution of energy during these events, demonstrating a new potential for quantum computing in high-energy physics.A quantum simulation has successfully modeled the energy evolution following a hadron collision, a feat previously unattainable with classical computing resources. Researchers leveraged the power of 112 qubits on IBM’s Torino quantum computer to simulate the complex aftermath of these subatomic particle interactions, opening new avenues for understanding high-energy physics. The study, supported by the Quantum Computing User Program at Oak Ridge National Laboratory, marks a significant step toward tackling problems beyond the reach of even the most powerful supercomputers. The simulation began with a one-dimensional quantum ground state, then modeled a quantized wave packet to represent the energy burst, demonstrating signatures of hadron propagation consistent with classical numeric simulations. While current quantum systems are susceptible to errors, the team utilized IBM’s error-mitigation techniques to minimize noise and quantify deviations. “Such simulations could provide first glimpses that are beyond present capabilities of classical computing,” the authors wrote, suggesting a future where quantum computers unlock deeper insights into the fundamental building blocks of matter.Researchers are increasingly leveraging the power of quantum computing to model complex physical phenomena, with recent work demonstrating an advance in simulating hadron collisions. Hadrons, composed of quarks and gluons, release immense energy and a multitude of particles when colliding; accurately modeling these events has long been a computational hurdle.
The team employed 112 of the Torino computer’s 133 qubits, utilizing 3,858 two-qubit gates to simulate a quantized wave packet representing the energy burst. This approach allowed researchers to observe signatures of hadron propagation, aligning with results from classical simulations, despite the inherent challenges of quantum error rates. “Now that quantum devices are available that offer hundreds of qubits for simulation, we wanted to see what could be done with this new set of tools.” The team mitigated noise through IBM’s error-reduction techniques, paving the way for future studies aiming for even greater accuracy with improved quantum hardware and error-correcting methods.Now that quantum devices are available that offer hundreds of qubits for simulation, we wanted to see what could be done with this new set of tools.Researchers are increasingly focused on refining the fidelity of quantum computations, particularly as simulations grow in complexity. These collisions, involving protons and neutrons, generate a large number of particles, demanding substantial computational resources to model accurately. The study leveraged IBM’s tools to minimize errors stemming from qubit degradation and measurement inaccuracies, allowing for more reliable tracking of energy propagation through the simulated collision.These collisions are absolutely essential for a deeper understanding of high-energy physics and the study of matter in extreme conditions, but the size of the necessary equations for modeling them has always been far beyond the capabilities of current classical computers. Source: https://www.ornl.gov/news/cracking-hadron-collision-puzzle-quantum-study-probes-subatomic-reactions Rusty is a quantum science nerd. He's been into academic science all his life, but spent his formative years doing less academic things. Now he turns his attention to write about his passion, the quantum realm. He loves all things Quantum Physics especially. Rusty likes the more esoteric side of Quantum Computing and the Quantum world. Everything from Quantum Entanglement to Quantum Physics. Rusty thinks that we are in the 1950s quantum equivalent of the classical computing world. While other quantum journalists focus on IBM's latest chip or which startup just raised $50 million, Rusty's over here writing 3,000-word deep dives on whether quantum entanglement might explain why you sometimes think about someone right before they text you. (Spoiler: it doesn't, but the exploration is fascinating)