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Probing topological spin liquids on a programmable quantum simulator.

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Title: Probing topological spin liquids on a programmable quantum simulator.
Authors: Semeghini, G., Levine, H., Keesling, A., Ebadi, S., Wang, T. T., Bluvstein, D., Verresen, R., Pichler, H., Kalinowski, M., Samajdar, R., Omran, A., Sachdev, S., Vishwanath, A., Greiner, M., Vuletić, V., Lukin, M. D.
Source: Science (pre-March 2025). 12/3/2021, Vol. 374 Issue 6572, p1242-1247. 6p. 5 Diagrams.
Subjects: Quantum spin liquid, Physics, Quantum computing, Simulation methods & models, Toric varieties
Abstract: Quantum spin liquids, exotic phases of matter with topological order, have been a major focus in physics for the past several decades. Such phases feature long-range quantum entanglement that can potentially be exploited to realize robust quantum computation. We used a 219-atom programmable quantum simulator to probe quantum spin liquid states. In our approach, arrays of atoms were placed on the links of a kagome lattice, and evolution under Rydberg blockade created frustrated quantum states with no local order. The onset of a quantum spin liquid phase of the paradigmatic toric code type was detected by using topological string operators that provide direct signatures of topological order and quantum correlations. Our observations enable the controlled experimental exploration of topological matter and protected quantum information processing. [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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PubType: Academic Journal
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  Data: Probing topological spin liquids on a programmable quantum simulator.
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  Data: <searchLink fieldCode="AR" term="%22Semeghini%2C+G%2E%22">Semeghini, G.</searchLink><br /><searchLink fieldCode="AR" term="%22Levine%2C+H%2E%22">Levine, H.</searchLink><br /><searchLink fieldCode="AR" term="%22Keesling%2C+A%2E%22">Keesling, A.</searchLink><br /><searchLink fieldCode="AR" term="%22Ebadi%2C+S%2E%22">Ebadi, S.</searchLink><br /><searchLink fieldCode="AR" term="%22Wang%2C+T%2E+T%2E%22">Wang, T. T.</searchLink><br /><searchLink fieldCode="AR" term="%22Bluvstein%2C+D%2E%22">Bluvstein, D.</searchLink><br /><searchLink fieldCode="AR" term="%22Verresen%2C+R%2E%22">Verresen, R.</searchLink><br /><searchLink fieldCode="AR" term="%22Pichler%2C+H%2E%22">Pichler, H.</searchLink><br /><searchLink fieldCode="AR" term="%22Kalinowski%2C+M%2E%22">Kalinowski, M.</searchLink><br /><searchLink fieldCode="AR" term="%22Samajdar%2C+R%2E%22">Samajdar, R.</searchLink><br /><searchLink fieldCode="AR" term="%22Omran%2C+A%2E%22">Omran, A.</searchLink><br /><searchLink fieldCode="AR" term="%22Sachdev%2C+S%2E%22">Sachdev, S.</searchLink><br /><searchLink fieldCode="AR" term="%22Vishwanath%2C+A%2E%22">Vishwanath, A.</searchLink><br /><searchLink fieldCode="AR" term="%22Greiner%2C+M%2E%22">Greiner, M.</searchLink><br /><searchLink fieldCode="AR" term="%22Vuletić%2C+V%2E%22">Vuletić, V.</searchLink><br /><searchLink fieldCode="AR" term="%22Lukin%2C+M%2E+D%2E%22">Lukin, M. D.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 12/3/2021, Vol. 374 Issue 6572, p1242-1247. 6p. 5 Diagrams.
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  Data: <searchLink fieldCode="DE" term="%22Quantum+spin+liquid%22">Quantum spin liquid</searchLink><br /><searchLink fieldCode="DE" term="%22Physics%22">Physics</searchLink><br /><searchLink fieldCode="DE" term="%22Quantum+computing%22">Quantum computing</searchLink><br /><searchLink fieldCode="DE" term="%22Simulation+methods+%26+models%22">Simulation methods & models</searchLink><br /><searchLink fieldCode="DE" term="%22Toric+varieties%22">Toric varieties</searchLink>
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  Data: Quantum spin liquids, exotic phases of matter with topological order, have been a major focus in physics for the past several decades. Such phases feature long-range quantum entanglement that can potentially be exploited to realize robust quantum computation. We used a 219-atom programmable quantum simulator to probe quantum spin liquid states. In our approach, arrays of atoms were placed on the links of a kagome lattice, and evolution under Rydberg blockade created frustrated quantum states with no local order. The onset of a quantum spin liquid phase of the paradigmatic toric code type was detected by using topological string operators that provide direct signatures of topological order and quantum correlations. Our observations enable the controlled experimental exploration of topological matter and protected quantum information processing. [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.)
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        Value: 10.1126/science.abi8794
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        Text: English
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      – SubjectFull: Toric varieties
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              Text: 12/3/2021
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