A field trip through spin ice. / Sala, G.; Castelnovo, C.; Moessner, R.; sondhi, S.; Kitagawa, K.; Takigawa, M.; Higashinaka, R.; Maeno, Y.

In: Physical Review Letters, 2012.

Research output: Contribution to journalArticlepeer-review

In preparation

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A field trip through spin ice. / Sala, G.; Castelnovo, C.; Moessner, R.; sondhi, S.; Kitagawa, K.; Takigawa, M.; Higashinaka, R.; Maeno, Y.

In: Physical Review Letters, 2012.

Research output: Contribution to journalArticlepeer-review

Harvard

Sala, G, Castelnovo, C, Moessner, R, sondhi, S, Kitagawa, K, Takigawa, M, Higashinaka, R & Maeno, Y 2012, 'A field trip through spin ice', Physical Review Letters.

APA

Sala, G., Castelnovo, C., Moessner, R., sondhi, S., Kitagawa, K., Takigawa, M., Higashinaka, R., & Maeno, Y. (2012). A field trip through spin ice. Manuscript in preparation.

Vancouver

Sala G, Castelnovo C, Moessner R, sondhi S, Kitagawa K, Takigawa M et al. A field trip through spin ice. Physical Review Letters. 2012.

Author

Sala, G. ; Castelnovo, C. ; Moessner, R. ; sondhi, S. ; Kitagawa, K. ; Takigawa, M. ; Higashinaka, R. ; Maeno, Y. / A field trip through spin ice. In: Physical Review Letters. 2012.

BibTeX

@article{57a898c1d13544a4ab0ad9b3fd6973da,
title = "A field trip through spin ice",
abstract = "Fractionalisation -- the breaking up of an apparently indivisible microscopic degree of freedom -- is one of the most counterintuitive phenomena in many-body physics. Here we study its most fundamental manifestation in spin ice, the only known fractionalised magnetic compound in 3D: we directly visualise the $1/r^2$ magnetic Coulomb field of monopoles which emerge as the atomic magnetic dipoles fractionalise. We analyse the internal magnetic field distribution, relevant for local experimental probes. In particular, we present new zero-field NMR measurements which exhibit excellent agreement with the calculated lineshapes, noting that this experimental technique can in principle measure directly the monopole density in spin ice. The distribution of field strengths is captured by a simple analytical form which exhibits a low density of low-field sites---in apparent disagreement with reported $\mu$SR results. Counterintuitively, the density of low-field locations decreases as the local ferromagnetic correlations imposed by the ice rules weaken.",
keywords = "cond-mat.str-el",
author = "G. Sala and C. Castelnovo and R. Moessner and S. sondhi and K. Kitagawa and M. Takigawa and R. Higashinaka and Y. Maeno",
note = "(7 pages; 6 figures)",
year = "2012",
language = "English",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",

}

RIS

TY - JOUR

T1 - A field trip through spin ice

AU - Sala, G.

AU - Castelnovo, C.

AU - Moessner, R.

AU - sondhi, S.

AU - Kitagawa, K.

AU - Takigawa, M.

AU - Higashinaka, R.

AU - Maeno, Y.

N1 - (7 pages; 6 figures)

PY - 2012

Y1 - 2012

N2 - Fractionalisation -- the breaking up of an apparently indivisible microscopic degree of freedom -- is one of the most counterintuitive phenomena in many-body physics. Here we study its most fundamental manifestation in spin ice, the only known fractionalised magnetic compound in 3D: we directly visualise the $1/r^2$ magnetic Coulomb field of monopoles which emerge as the atomic magnetic dipoles fractionalise. We analyse the internal magnetic field distribution, relevant for local experimental probes. In particular, we present new zero-field NMR measurements which exhibit excellent agreement with the calculated lineshapes, noting that this experimental technique can in principle measure directly the monopole density in spin ice. The distribution of field strengths is captured by a simple analytical form which exhibits a low density of low-field sites---in apparent disagreement with reported $\mu$SR results. Counterintuitively, the density of low-field locations decreases as the local ferromagnetic correlations imposed by the ice rules weaken.

AB - Fractionalisation -- the breaking up of an apparently indivisible microscopic degree of freedom -- is one of the most counterintuitive phenomena in many-body physics. Here we study its most fundamental manifestation in spin ice, the only known fractionalised magnetic compound in 3D: we directly visualise the $1/r^2$ magnetic Coulomb field of monopoles which emerge as the atomic magnetic dipoles fractionalise. We analyse the internal magnetic field distribution, relevant for local experimental probes. In particular, we present new zero-field NMR measurements which exhibit excellent agreement with the calculated lineshapes, noting that this experimental technique can in principle measure directly the monopole density in spin ice. The distribution of field strengths is captured by a simple analytical form which exhibits a low density of low-field sites---in apparent disagreement with reported $\mu$SR results. Counterintuitively, the density of low-field locations decreases as the local ferromagnetic correlations imposed by the ice rules weaken.

KW - cond-mat.str-el

M3 - Article

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

ER -