Spin, Orbital, Weyl and Other Glasses in Topological Superfluids

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Bibtex - Lataa

@article{45f1e37b43a44fc7b173e09c0c27042c,
title = "Spin, Orbital, Weyl and Other Glasses in Topological Superfluids",
abstract = "One of the most spectacular discoveries made in superfluid 3He confined in a nanostructured material like aerogel or nafen was the observation of the destruction of the long-range orientational order by a weak random anisotropy. The quenched random anisotropy provided by the confining material strands produces several different glass states resolved in NMR experiments in the chiral superfluid 3He-A and in the time-reversal-invariant polar phase. The smooth textures of spin and orbital order parameters in these glasses can be characterized in terms of the randomly distributed topological charges, which describe skyrmions, spin vortices and hopfions. In addition, in these skyrmion glasses the momentum-space topological invariants are randomly distributed in space. The Chern mosaic, Weyl glass, torsion glass and other exotic topological states are examples of close connections between the real-space and momentum-space topologies in superfluid 3He phases in aerogel.",
keywords = "Chern mosaic, Disorder, Glass, Half-quantum vortex, Hedgehog, Hopfion, Larkin–Imry–Ma effect, Skyrmion, Superfluid He, Topological matter",
author = "Volovik, {G. E.} and J. Rysti and M{\"a}kinen, {J. T.} and Eltsov, {V. B.}",
note = "| openaire: EC/H2020/694248/EU//TOPVAC",
year = "2018",
month = "12",
day = "27",
doi = "10.1007/s10909-018-02132-z",
language = "English",
journal = "Journal of Low Temperature Physics",
issn = "0022-2291",

}

RIS - Lataa

TY - JOUR

T1 - Spin, Orbital, Weyl and Other Glasses in Topological Superfluids

AU - Volovik, G. E.

AU - Rysti, J.

AU - Mäkinen, J. T.

AU - Eltsov, V. B.

N1 - | openaire: EC/H2020/694248/EU//TOPVAC

PY - 2018/12/27

Y1 - 2018/12/27

N2 - One of the most spectacular discoveries made in superfluid 3He confined in a nanostructured material like aerogel or nafen was the observation of the destruction of the long-range orientational order by a weak random anisotropy. The quenched random anisotropy provided by the confining material strands produces several different glass states resolved in NMR experiments in the chiral superfluid 3He-A and in the time-reversal-invariant polar phase. The smooth textures of spin and orbital order parameters in these glasses can be characterized in terms of the randomly distributed topological charges, which describe skyrmions, spin vortices and hopfions. In addition, in these skyrmion glasses the momentum-space topological invariants are randomly distributed in space. The Chern mosaic, Weyl glass, torsion glass and other exotic topological states are examples of close connections between the real-space and momentum-space topologies in superfluid 3He phases in aerogel.

AB - One of the most spectacular discoveries made in superfluid 3He confined in a nanostructured material like aerogel or nafen was the observation of the destruction of the long-range orientational order by a weak random anisotropy. The quenched random anisotropy provided by the confining material strands produces several different glass states resolved in NMR experiments in the chiral superfluid 3He-A and in the time-reversal-invariant polar phase. The smooth textures of spin and orbital order parameters in these glasses can be characterized in terms of the randomly distributed topological charges, which describe skyrmions, spin vortices and hopfions. In addition, in these skyrmion glasses the momentum-space topological invariants are randomly distributed in space. The Chern mosaic, Weyl glass, torsion glass and other exotic topological states are examples of close connections between the real-space and momentum-space topologies in superfluid 3He phases in aerogel.

KW - Chern mosaic

KW - Disorder

KW - Glass

KW - Half-quantum vortex

KW - Hedgehog

KW - Hopfion

KW - Larkin–Imry–Ma effect

KW - Skyrmion

KW - Superfluid He

KW - Topological matter

UR - http://www.scopus.com/inward/record.url?scp=85059137668&partnerID=8YFLogxK

U2 - 10.1007/s10909-018-02132-z

DO - 10.1007/s10909-018-02132-z

M3 - Article

JO - Journal of Low Temperature Physics

JF - Journal of Low Temperature Physics

SN - 0022-2291

ER -

ID: 31090836