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Title: Group of Quantum Bits Acting as a Bit Using a Single-Domain Ferromagnet of Uniaxial Magnetic Ions

Abstract

Read/write operations with individual quantum bits (i.e., qbits) are a challenging problem to solve in quantum computing. To alleviate this difficulty, we considered the possibility of using a group of qbits that act collectively as a bit (hereafter, a group bit or a gbit, in short). A promising candidate for a gbit is a single-domain ferromagnet (SDF) independent of its size, which can be prepared as a magnet of well-separated uniaxial magnetic ions (UMIs) at sites of no electric dipole moment with their uniaxial axes aligned along one common direction. When magnetized, the UMIs of such a magnet have a ferromagnetic (FM) arrangement and the resulting SDF becomes a gbit with its two opposite moment orientations representing the |0⟩ and |1⟩ states of a bit. We probed the requirements for such magnets and identified several 2H-perovskites as materials satisfying these requirements.

Authors:
 [1];  [2];  [3];  [4]; ORCiD logo [5]
  1. North Carolina State University, Raleigh, NC (United States). Department of Chemistry
  2. Kyung Hee University, Seoul (Republic of Korea). Department of Chemistry and Research Institute for Basic Sciences
  3. Chinese Academy of Sciences. (CAS), Fuzhou (China). State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter
  4. Max Planck Institute for Solid State Research, Stuttgart (Germany)
  5. North Carolina State University, Raleigh, NC (United States). Department of Chemistry; Chinese Academy of Sciences. (CAS), Fuzhou (China). State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter; Shandong University, Shandong (China). State Key Laboratory of Crystal Materials
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory, Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC).
Sponsoring Org.:
USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR) (SC-21)
OSTI Identifier:
1461661
DOE Contract Number:  
AC02-05CH11231
Resource Type:
Journal Article
Resource Relation:
Journal Name: ChemPhysChem; Journal Volume: 18; Journal Issue: 16
Country of Publication:
United States
Language:
English

Citation Formats

Gordon, Elijah E., Koo, Hyun-Joo, Deng, Shuiquan, K�hler, J�rgen, and Whangbo, Myung-Hwan. Group of Quantum Bits Acting as a Bit Using a Single-Domain Ferromagnet of Uniaxial Magnetic Ions. United States: N. p., 2017. Web. doi:10.1002/cphc.201700609.
Gordon, Elijah E., Koo, Hyun-Joo, Deng, Shuiquan, K�hler, J�rgen, & Whangbo, Myung-Hwan. Group of Quantum Bits Acting as a Bit Using a Single-Domain Ferromagnet of Uniaxial Magnetic Ions. United States. doi:10.1002/cphc.201700609.
Gordon, Elijah E., Koo, Hyun-Joo, Deng, Shuiquan, K�hler, J�rgen, and Whangbo, Myung-Hwan. Fri . "Group of Quantum Bits Acting as a Bit Using a Single-Domain Ferromagnet of Uniaxial Magnetic Ions". United States. doi:10.1002/cphc.201700609.
@article{osti_1461661,
title = {Group of Quantum Bits Acting as a Bit Using a Single-Domain Ferromagnet of Uniaxial Magnetic Ions},
author = {Gordon, Elijah E. and Koo, Hyun-Joo and Deng, Shuiquan and K�hler, J�rgen and Whangbo, Myung-Hwan},
abstractNote = {Read/write operations with individual quantum bits (i.e., qbits) are a challenging problem to solve in quantum computing. To alleviate this difficulty, we considered the possibility of using a group of qbits that act collectively as a bit (hereafter, a group bit or a gbit, in short). A promising candidate for a gbit is a single-domain ferromagnet (SDF) independent of its size, which can be prepared as a magnet of well-separated uniaxial magnetic ions (UMIs) at sites of no electric dipole moment with their uniaxial axes aligned along one common direction. When magnetized, the UMIs of such a magnet have a ferromagnetic (FM) arrangement and the resulting SDF becomes a gbit with its two opposite moment orientations representing the |0⟩ and |1⟩ states of a bit. We probed the requirements for such magnets and identified several 2H-perovskites as materials satisfying these requirements.},
doi = {10.1002/cphc.201700609},
journal = {ChemPhysChem},
number = 16,
volume = 18,
place = {United States},
year = {Fri Jun 30 00:00:00 EDT 2017},
month = {Fri Jun 30 00:00:00 EDT 2017}
}