Targeted evolution of pinning landscapes for large superconducting critical currents
Abstract
The ability of type II superconductors to carry large amounts of current at high magnetic fields is a key requirement for future design innovations in high-field magnets for accelerators and compact fusion reactors, and largely depends on the vortex pinning landscape comprised of material defects. The complex interaction of vortices with defects that can be grown chemically, e.g., self-assembled nanoparticles and nanorods, or introduced by postsynthesis particle irradiation precludes a priori prediction of the critical current and can result in highly nontrivial effects on the critical current. Here, we borrow concepts from biological evolution to create a vortex pinning genome based on a genetic algorithm, naturally evolving the pinning landscape to accommodate vortex pinning and determine the best possible configuration of inclusions for two different scenarios: a natural evolution process initiating from a pristine system and one starting with preexisting defects to demonstrate the potential for a postprocessing approach to enhance critical currents. Furthermore, the presented approach is even more general and can be adapted to address various other targeted material optimization problems.
- Authors:
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1505851
- Alternate Identifier(s):
- OSTI ID: 1524418
- Grant/Contract Number:
- AC05-00OR22725; AC02-06CH11357
- Resource Type:
- Journal Article: Published Article
- Journal Name:
- Proceedings of the National Academy of Sciences of the United States of America
- Additional Journal Information:
- Journal Name: Proceedings of the National Academy of Sciences of the United States of America Journal Volume: 116 Journal Issue: 21; Journal ID: ISSN 0027-8424
- Publisher:
- National Academy of Sciences, Washington, DC (United States)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Genetic algorithms; critical current; superconductivity; targeted selection; time-dependent Ginzburg-Landau; vortex pinning
Citation Formats
Sadovskyy, Ivan A., Koshelev, Alexei E., Kwok, Wai-Kwong, Welp, Ulrich, and Glatz, Andreas. Targeted evolution of pinning landscapes for large superconducting critical currents. United States: N. p., 2019.
Web. doi:10.1073/pnas.1817417116.
Sadovskyy, Ivan A., Koshelev, Alexei E., Kwok, Wai-Kwong, Welp, Ulrich, & Glatz, Andreas. Targeted evolution of pinning landscapes for large superconducting critical currents. United States. https://doi.org/10.1073/pnas.1817417116
Sadovskyy, Ivan A., Koshelev, Alexei E., Kwok, Wai-Kwong, Welp, Ulrich, and Glatz, Andreas. 2019.
"Targeted evolution of pinning landscapes for large superconducting critical currents". United States. https://doi.org/10.1073/pnas.1817417116.
@article{osti_1505851,
title = {Targeted evolution of pinning landscapes for large superconducting critical currents},
author = {Sadovskyy, Ivan A. and Koshelev, Alexei E. and Kwok, Wai-Kwong and Welp, Ulrich and Glatz, Andreas},
abstractNote = {The ability of type II superconductors to carry large amounts of current at high magnetic fields is a key requirement for future design innovations in high-field magnets for accelerators and compact fusion reactors, and largely depends on the vortex pinning landscape comprised of material defects. The complex interaction of vortices with defects that can be grown chemically, e.g., self-assembled nanoparticles and nanorods, or introduced by postsynthesis particle irradiation precludes a priori prediction of the critical current and can result in highly nontrivial effects on the critical current. Here, we borrow concepts from biological evolution to create a vortex pinning genome based on a genetic algorithm, naturally evolving the pinning landscape to accommodate vortex pinning and determine the best possible configuration of inclusions for two different scenarios: a natural evolution process initiating from a pristine system and one starting with preexisting defects to demonstrate the potential for a postprocessing approach to enhance critical currents. Furthermore, the presented approach is even more general and can be adapted to address various other targeted material optimization problems.},
doi = {10.1073/pnas.1817417116},
url = {https://www.osti.gov/biblio/1505851},
journal = {Proceedings of the National Academy of Sciences of the United States of America},
issn = {0027-8424},
number = 21,
volume = 116,
place = {United States},
year = {Mon Apr 08 00:00:00 EDT 2019},
month = {Mon Apr 08 00:00:00 EDT 2019}
}
Web of Science
Figures / Tables:
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Figures / Tables found in this record: