Observation of Barnett fields in solids by nuclear magnetic resonance

Hiroyuki Chudo; Masao Ono; Kazuya Harii; Mamoru Matsuo; Jun'ichi Ieda; Rie Haruki; Satoru Okayasu; Sadamichi Maekawa; Hiroshi Yasuoka; Eiji Saitoh

doi:10.7567/APEX.7.063004

Observation of Barnett fields in solids by nuclear magnetic resonance

Hiroyuki Chudo, Masao Ono, Kazuya Harii, Mamoru Matsuo, Jun'ichi Ieda, Rie Haruki, Satoru Okayasu, Sadamichi Maekawa, Hiroshi Yasuoka, Eiji Saitoh

Advanced Institute for Materials Research (AIMR)

Research output: Contribution to journal › Article › peer-review

42 Citations (Scopus)

Abstract

A magnetic field is predicted to emerge on a particle in a rotating material body even if the body is electrically neutral. This emergent field is called a Barnett field. We show that nuclear magnetic resonance (NMR) enables direct measurement of the Barnett field in solids. We rotated both a sample and an NMR coil synchronously at high speed and found an NMR shift whose sign reflects that of the nuclear magnetic moments. This result provides direct evidence of the Barnett field. The use of NMR for Barnett field measurement enables the unknown signs of nuclear magnetic moments in solids to be determined.

Original language	English
Article number	063004
Journal	Applied Physics Express
Volume	7
Issue number	6
DOIs	https://doi.org/10.7567/APEX.7.063004
Publication status	Published - 2014 Jun

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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abstract = "A magnetic field is predicted to emerge on a particle in a rotating material body even if the body is electrically neutral. This emergent field is called a Barnett field. We show that nuclear magnetic resonance (NMR) enables direct measurement of the Barnett field in solids. We rotated both a sample and an NMR coil synchronously at high speed and found an NMR shift whose sign reflects that of the nuclear magnetic moments. This result provides direct evidence of the Barnett field. The use of NMR for Barnett field measurement enables the unknown signs of nuclear magnetic moments in solids to be determined.",

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AU - Chudo, Hiroyuki

AU - Ono, Masao

AU - Harii, Kazuya

AU - Matsuo, Mamoru

AU - Ieda, Jun'ichi

AU - Haruki, Rie

AU - Okayasu, Satoru

AU - Maekawa, Sadamichi

AU - Yasuoka, Hiroshi

AU - Saitoh, Eiji

PY - 2014/6

Y1 - 2014/6

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AB - A magnetic field is predicted to emerge on a particle in a rotating material body even if the body is electrically neutral. This emergent field is called a Barnett field. We show that nuclear magnetic resonance (NMR) enables direct measurement of the Barnett field in solids. We rotated both a sample and an NMR coil synchronously at high speed and found an NMR shift whose sign reflects that of the nuclear magnetic moments. This result provides direct evidence of the Barnett field. The use of NMR for Barnett field measurement enables the unknown signs of nuclear magnetic moments in solids to be determined.

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Observation of Barnett fields in solids by nuclear magnetic resonance

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