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High-fidelity teleportation of a logical qubit using transversal gates and lattice surgery.

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Title: High-fidelity teleportation of a logical qubit using transversal gates and lattice surgery.
Authors: Ryan-Anderson, C. (AUTHOR), Brown, N. C. (AUTHOR), Baldwin, C. H. (AUTHOR), Dreiling, J. M. (AUTHOR), Foltz, C. (AUTHOR), Gaebler, J. P. (AUTHOR), Gatterman, T. M. (AUTHOR), Hewitt, N. (AUTHOR), Holliman, C. (AUTHOR), Horst, C. V. (AUTHOR), Johansen, J. (AUTHOR), Lucchetti, D. (AUTHOR), Mengle, T. (AUTHOR), Matheny, M. (AUTHOR), Matsuoka, Y. (AUTHOR), Mayer, K. (AUTHOR), Mills, M. (AUTHOR), Moses, S. A. (AUTHOR), Neyenhuis, B. (AUTHOR), Pino, J. (AUTHOR)
Source: Science (pre-March 2025). 9/20/2024, Vol. 385 Issue 6715, p1327-1331. 5p. 4 Diagrams.
Subjects: Quantum teleportation, Quantum states, Teleportation, Qubits, Transversal lines, Quantum computers
Abstract: Quantum state teleportation is commonly used in designs for large-scale quantum computers. Using Quantinuum’s H2 trapped-ion quantum processor, we demonstrate fault-tolerant state teleportation circuits for a quantum error correction code—specifically the Steane code. The circuits use up to 30 qubits at the physical level and employ real-time quantum error correction. We conducted experiments on several variations of logical teleportation circuits using both transversal gates and lattice surgery. We measured the logical process fidelity to be 0.975 ± 0.002 for the transversal teleportation implementation and 0.851 ± 0.009 for the lattice surgery teleportation implementation as well as 0.989 ± 0.002 for an implementation of Knill-style quantum error correction. [ABSTRACT FROM AUTHOR]
Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: High-fidelity teleportation of a logical qubit using transversal gates and lattice surgery.
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  Data: <searchLink fieldCode="AR" term="%22Ryan-Anderson%2C+C%2E%22">Ryan-Anderson, C.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Brown%2C+N%2E+C%2E%22">Brown, N. C.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Baldwin%2C+C%2E+H%2E%22">Baldwin, C. H.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dreiling%2C+J%2E+M%2E%22">Dreiling, J. M.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Foltz%2C+C%2E%22">Foltz, C.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gaebler%2C+J%2E+P%2E%22">Gaebler, J. P.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gatterman%2C+T%2E+M%2E%22">Gatterman, T. M.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hewitt%2C+N%2E%22">Hewitt, N.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Holliman%2C+C%2E%22">Holliman, C.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Horst%2C+C%2E+V%2E%22">Horst, C. V.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Johansen%2C+J%2E%22">Johansen, J.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lucchetti%2C+D%2E%22">Lucchetti, D.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mengle%2C+T%2E%22">Mengle, T.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Matheny%2C+M%2E%22">Matheny, M.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Matsuoka%2C+Y%2E%22">Matsuoka, Y.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mayer%2C+K%2E%22">Mayer, K.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mills%2C+M%2E%22">Mills, M.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Moses%2C+S%2E+A%2E%22">Moses, S. A.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Neyenhuis%2C+B%2E%22">Neyenhuis, B.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pino%2C+J%2E%22">Pino, J.</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 9/20/2024, Vol. 385 Issue 6715, p1327-1331. 5p. 4 Diagrams.
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  Data: <searchLink fieldCode="DE" term="%22Quantum+teleportation%22">Quantum teleportation</searchLink><br /><searchLink fieldCode="DE" term="%22Quantum+states%22">Quantum states</searchLink><br /><searchLink fieldCode="DE" term="%22Teleportation%22">Teleportation</searchLink><br /><searchLink fieldCode="DE" term="%22Qubits%22">Qubits</searchLink><br /><searchLink fieldCode="DE" term="%22Transversal+lines%22">Transversal lines</searchLink><br /><searchLink fieldCode="DE" term="%22Quantum+computers%22">Quantum computers</searchLink>
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  Data: Quantum state teleportation is commonly used in designs for large-scale quantum computers. Using Quantinuum’s H2 trapped-ion quantum processor, we demonstrate fault-tolerant state teleportation circuits for a quantum error correction code—specifically the Steane code. The circuits use up to 30 qubits at the physical level and employ real-time quantum error correction. We conducted experiments on several variations of logical teleportation circuits using both transversal gates and lattice surgery. We measured the logical process fidelity to be 0.975 ± 0.002 for the transversal teleportation implementation and 0.851 ± 0.009 for the lattice surgery teleportation implementation as well as 0.989 ± 0.002 for an implementation of Knill-style quantum error correction. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=179731157
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