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Researchers led by City College of New York physicist Pouyan Ghaemi report the development of a quantum algorithm with the potential to study a class of many-electron quantums system using quantum computers. Their paper, entitled Creating and Manipulating a Laughlin-Type =1/3 Fractional Quantum Hall State on a Quantum Computer with Linear Depth Circuits, appears in the December issue of PRX Quantum, a journal of the American Physical Society.

Quantum physics is the fundamental theory of nature which leads to formation of molecules and the resulting matter around us, said Ghaemi, assistant professor in CCNYs Division of Science. It is already known that when we have a macroscopic number of quantum particles, such as electrons in the metal, which interact with each other, novel phenomena such as superconductivity emerge.

However, until now, according to Ghaemi, tools to study systems with large numbers of interacting quantum particles and their novel properties have been extremely limited.

Our research has developed a quantum algorithm which can be used to study a class of many-electron quantum systems using quantum computers. Our algorithm opens a new venue to use the new quantum devices to study problems which are quite challenging to study using classical computers. Our results are new and motivate many follow up studies, added Ghaemi.

On possible applications for this advancement, Ghaemi, whos also affiliated with the Graduate Center, CUNY noted: Quantum computers have witnessed extensive developments during the last few years. Development of new quantum algorithms, regardless of their direct application, will contribute to realizeapplications of quantum computers.

I believe the direct application of our results is to provide tools to improve quantum computing devices. Their direct real-life applicationwould emerge when quantum computers can be used for daily life applications.

His collaborators included scientists from: Western Washington University, University of California, Santa Barbara; Google AI Quantum and theUniversity of Michigan, Ann Arbor.

About the City College of New YorkSince 1847, The City College of New York has provided a high-quality and affordable education to generations of New Yorkers in a wide variety of disciplines. CCNY embraces its position at the forefront of social change. It is ranked #1 by the Harvard-based Opportunity Insights out of 369 selective public colleges in the United States on the overall mobility index. This measure reflects both access and outcomes, representing the likelihood that a student at CCNY can move up two or more income quintiles. In addition, the Center for World University Rankings places CCNY in the top 1.8% of universities worldwide in terms of academic excellence. Labor analytics firm Emsi puts at $1.9 billion CCNYs annual economic impact on the regional economy (5 boroughs and 5 adjacent counties) and quantifies the for dollar return on investment to students, taxpayers and society. At City College, more than 16,000 students pursue undergraduate and graduate degrees in eight schools and divisions, driven by significant funded research, creativity and scholarship. CCNY is as diverse, dynamic and visionary as New York City itself. View CCNY Media Kit.

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CCNY & partners in quantum algorithm breakthrough | The City College of New York - The City College of New York News