Out-of-surface vortices in spherical shells

被引：62

作者：

Kravchuk, Volodymyr P. ^{[1
]}

Sheka, Denis D. ^{[2
]}

Streubel, Robert ^{[3
,4
]}

Makarov, Denys ^{[3
]}

Schmidt, Oliver G. ^{[3
,4
]}

Gaididei, Yuri ^{[1
]}

机构：

[1] Bogolyubov Inst Theoret Phys, UA-03143 Kiev, Ukraine

[2] Taras Shevchenko Natl Univ Kiev, UA-01601 Kiev, Ukraine

[3] IFW Dresden, Inst Integrat Nanosci, D-01069 Dresden, Germany

[4] Tech Univ Chemnitz, D-09107 Chemnitz, Germany

来源：

PHYSICAL REVIEW B | 2012年 / 85卷 / 14期

关键词：

TOPOLOGICAL SOLITONS; MAGNETIC VORTICES; CURVATURE; ORDER; SPINS;

D O I：

10.1103/PhysRevB.85.144433

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The interplay of topological defects with curvature is studied for out-of-surface magnetic vortices in thin spherical nanoshells. In the case of an easy-surface Heisenberg magnet it is shown that the curvature of the underlying surface leads to a coupling between the localized out-of-surface component of the vortex with its delocalized in-surface structure, i.e., polarity-chirality coupling.

引用

页数：6

共 35 条

[1] Magnetic multilayers on nanospheres [J].

Albrecht, M ;

Hu, GH ;

Guhr, IL ;

Ulbrich, TC ;

Boneberg, J ;

Leiderer, P ;

Schatz, G .

NATURE MATERIALS, 2005, 4 (03) :203-206

[2]

[Anonymous], Z PHYS B

[3] Evolution and propagation of magnetic vortices in chains of Permalloy nanospheres [J].

Barpanda, P. ;

Kasama, T. ;

Dunin-Borkowski, R. E. ;

Scheinfein, M. R. ;

Arrott, A. S. .

JOURNAL OF APPLIED PHYSICS, 2006, 99 (08)

[4] Two-dimensional matter: order, curvature and defects [J].

Bowick, Mark J. ;

Giomi, Luca .

ADVANCES IN PHYSICS, 2009, 58 (05) :449-563

[5] Miniaturization of vortex-comprising system using ferromagnetic nanotori [J].

Carvalho-Santos, V. L. ;

Moura-Melo, W. A. ;

Pereira, A. R. .

JOURNAL OF APPLIED PHYSICS, 2010, 108 (09)

[6] Topological spin excitations on a rigid torus [J].

Carvalho-Santos, V. L. ;

Moura, A. R. ;

Moura-Melo, W. A. ;

Pereira, A. R. .

PHYSICAL REVIEW B, 2008, 77 (13)

[7] Direct observation of the vortex core magnetization and its dynamics [J].

Chou, K. W. ;

Puzic, A. ;

Stoll, H. ;

Dolgos, D. ;

Schuetz, G. ;

Van Waeyenberge, B. ;

Vansteenkiste, A. ;

Tyliszczak, T. ;

Woltersdorf, G. ;

Back, C. H. .

APPLIED PHYSICS LETTERS, 2007, 90 (20)

[8] Polarization Selective Magnetic Vortex Dynamics and Core Reversal in Rotating Magnetic Fields [J].

Curcic, Michael ;

Van Waeyenberge, Bartel ;

Vansteenkiste, Arne ;

Weigand, Markus ;

Sackmann, Vitalij ;

Stoll, Hermann ;

Faehnle, Manfred ;

Tyliszczak, Tolek ;

Woltersdorf, Georg ;

Back, Christian H. ;

Schuetz, Gisela .

PHYSICAL REVIEW LETTERS, 2008, 101 (19)

[9] VIOLATION OF SELF-DUALITY FOR TOPOLOGICAL SOLITONS DUE TO SOLITON SOLITON INTERACTION ON A CYLINDRICAL GEOMETRY [J].

DANDOLOFF, R ;

VILLAINGUILLOT, S ;

SAXENA, A ;

BISHOP, AR .

PHYSICAL REVIEW LETTERS, 1995, 74 (05) :813-815

[10] Heisenberg spins on a bilayer connected by a neck and other geometries with a characteristic length scale [J].

Dandoloff, Rossen ;

Saxena, Avadh .

JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL, 2011, 44 (04)

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