Three-dimensional chiral skyrmions with attractive interparticle interactions

被引：61

作者：

Leonov, A. O. ^{[1
,2
,3
]}

Monchesky, T. L. ^{[1
,4
]}

Loudon, J. C. ^{[4
]}

Bogdanov, A. N. ^{[1
,2
]}

机构：

[1] Hiroshima Univ, Ctr Chiral Sci, Higashihiroshima, Hiroshima 7398526, Japan

[2] IFW Dresden, Postfach 270016, D-01171 Dresden, Germany

[3] Univ Groningen, Zernike Inst Adv Mat, NL-9700 AB Groningen, Netherlands

[4] Dalhousie Univ, Dept Phys & Atmospher Sci, Halifax, NS B3H 3J5, Canada

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2016年 / 28卷 / 35期

基金：

英国工程与自然科学研究理事会;

关键词：

skyrmions; chiral magnets; Dzyaloshinskii-Moriya interaction; MAGNETIC-STRUCTURES; SPIN STRUCTURE; MNSI; CRYSTALS; STATES; PHASE; FEGE;

D O I：

10.1088/0953-8984/28/35/35LT01

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We introduce a new class of isolated three-dimensional skyrmion that can occur within the cone phase of chiral magnetic materials. These novel solitonic states consist of an axisymmetric core separated from the host phase by an asymmetric shell. These skyrmions attract one another. We derive regular solutions for isolated skyrmions arising in the cone phase of cubic helimagnets and investigate their bound states.

引用

页数：4

共 20 条

[1] THEORY OF HELICAL MAGNETIC-STRUCTURES AND PHASE-TRANSITIONS IN MNSI AND FEGE [J].

BAK, P ;

JENSEN, MH .

JOURNAL OF PHYSICS C-SOLID STATE PHYSICS, 1980, 13 (31) :L881-L885

[2] HELIMAGNETIC STRUCTURE OF THE FEXCO1-XSI ALLOYS [J].

BEILLE, J ;

VOIRON, J ;

TOWFIQ, F ;

ROTH, M ;

ZHANG, ZY .

JOURNAL OF PHYSICS F-METAL PHYSICS, 1981, 11 (10) :2153-2160

[3]

BOGDANOV A, 1995, JETP LETT+, V62, P247

[4] THERMODYNAMICALLY STABLE MAGNETIC VORTEX STATES IN MAGNETIC CRYSTALS [J].

BOGDANOV, A ;

HUBERT, A .

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1994, 138 (03) :255-269

[5]

BOGDANOV AN, 1989, ZH EKSP TEOR FIZ+, V95, P178

[6]

DZYALOSHINSKII IE, 1964, SOV PHYS JETP-USSR, V19, P960

[7] Hexagonal Spin Structure of A-Phase in MnSi: Densely Packed Skyrmion Quasiparticles or Two-Dimensionally Modulated Spin Superlattice? [J].

Grigoriev, S. V. ;

Potapova, N. M. ;

Moskvin, E. V. ;

Dyadkin, V. A. ;

Dewhurst, Ch ;

Maleyev, S. V. .

JETP LETTERS, 2014, 100 (03) :216-221

[8] HELICAL SPIN STRUCTURE IN MANGANESE SILICIDE MNSI [J].

ISHIKAWA, Y ;

TAJIMA, K ;

BLOCH, D ;

ROTH, M .

SOLID STATE COMMUNICATIONS, 1976, 19 (06) :525-528

[9] Degeneracies and fluctuations of Neel skyrmions in confined geometries [J].

Keesman, Rick ;

Leonov, A. O. ;

van Dieten, P. ;

Buhrandt, Stefan ;

Barkema, G. T. ;

Fritz, Lars ;

Duine, R. A. .

PHYSICAL REVIEW B, 2015, 92 (13)

[10] Skyrmion dynamics in chiral ferromagnets [J].

Komineas, Stavros ;

Papanicolaou, Nikos .

PHYSICAL REVIEW B, 2015, 92 (06)

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