Next-generation computing and information processing are in an interesting world of quantum mechanics. Quantum computers are expected to solve large and highly complex problems that go beyond the capabilities of today’s most powerful supercomputers.
New research tools are needed to advance this field and fully develop quantum computers. Currently, researchers at Northwestern University Theoretical tool For large-scale superconducting analysis circuit.. These circuits use superconducting quantum bits or qubits, the smallest units of quantum computers, to store information.
The size of the circuit is important because protection from harmful noise tends to come at the expense of increasing the complexity of the circuit. Currently, there are few tools to tackle large-scale circuit modeling, and the northwestern method is an important contribution to the research community.
“Our framework is inspired by methods originally developed for the study of electrons in crystals, which gives us quantitative predictions of circuits that were previously difficult or impossible to access.” Said Daniel Weiss, the first author of this treatise. He is a fourth-year graduate student in Jenskoch’s research group and Superconducting qubit..
Koch, an associate professor of physics and astronomy at the Weinberg University of Arts and Sciences, is a member of the Center for Superconducting Quantum Materials Systems (SQMS) and the Center for Quantum Advantage Co-Design (C).2QA). Both national centers were founded last year by the US Department of Energy (DOE). SQMS focuses on building and deploying state-of-the-art quantum computers based on superconducting technology. NS2QA is building the basic tools needed to create scalable, distributed, fault-tolerant quantum computer systems.
“We are excited to contribute to the mission pursued by these two DOE centers and raise awareness of Northwestern University in the field of quantum information science,” said Koch.
In their study, researchers in the northwest explain how to use theoretical tools by extracting quantitative information from protected circuits that was not available with standard methods.
Details were published in the open access journal today (September 13th). Physical Review Study..
Researchers have studied especially protected qubits. These qubits are designed to protect against harmful noise and can result in much longer coherence times (how long quantum information is retained) than today’s state-of-the-art qubits.
These superconducting circuits are inevitably large, northwest tool It is a means to quantify the operation of these circuits. There are several existing tools that can analyze large superconducting circuits, but each works well only if certain conditions are met. The northwestern method is complementary and works well when these other tools can have suboptimal results.
The title of the paper is “Variational tight binding method for simulating large-scale superconducting circuits”.
DK Weiss et al, Variational Tight Binding Method for Simulating Large-Scale Superconducting Circuits, Physical Review Study (2021). DOI: 10.1103 / PhysRevResearch.3.033244
Quote: Researchers have obtained a large-scale superconducting circuit (2021, September) obtained from https://phys.org/news/2021-09-tool-large-superconducting-circuits.html on September 13, 2021. 13th) Develop new tools for analysis
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Researchers are developing new tools for analyzing large-scale superconducting circuits
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