Localization of magnon modes in a curved magnetic nanowire

Gaididei, Yuri; Kravchuk, Volodymyr P.; Mertens, Franz G.; Pylypovskyi, Oleksandr V.; Saxena, Avadh; Sheka, Denis D.; Volkov, Oleksii M.

doi:10.1063/1.5041428

Title: Localization of magnon modes in a curved magnetic nanowire

Abstract

Spin waves in magnetic nanowires can be bound by a local bending of the wire. The eigenfrequency of a truly local magnon mode is determined by the curvature: a general analytical expression is established for any infinitesimally weak localized curvature of the wire. In conclusion, the interaction of the local mode with spin waves, propagating through the bend, results in scattering features, which is well confirmed by spin-lattice simulations.

Authors:

Gaididei, Yuri ^[1]; Kravchuk, Volodymyr P. ^[2]; Mertens, Franz G. ^[3]; Pylypovskyi, Oleksandr V. ^[4];

^[5]; Sheka, Denis D. ^[4]; Volkov, Oleksii M. ^[6]

Bogolyubov Institute for Theoretical Physics, Kyiv (Ukraine)
Bogolyubov Institute for Theoretical Physics, Kyiv (Ukraine); IFW Dresden, Dresden (Germany)
Univ. of Bayreuth, Bayreuth (Germany)
Taras Shevchenko National Univ. of Kyiv, Kyiv (Ukraine)
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Helmholtz-Zentrum Dresden-Rossendorf e. V., Dresden (Germany)

Publication Date:: 2018-07-06

Research Org.:: Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Sponsoring Org.:: USDOE Laboratory Directed Research and Development (LDRD) Program

OSTI Identifier:: 1481975

Report Number(s):: LA-UR-18-20270
Journal ID: ISSN 1063-777X

Grant/Contract Number:: AC52-06NA25396

Resource Type:: Accepted Manuscript

Journal Name:: Low Temperature Physics

Additional Journal Information:: Journal Volume: 44; Journal Issue: 7; Journal ID: ISSN 1063-777X

Publisher:: American Institute of Physics (AIP)

Country of Publication:: United States

Language:: English

Subject:: 74 ATOMIC AND MOLECULAR PHYSICS; Material Science

Citation Formats


                    Gaididei, Yuri, Kravchuk, Volodymyr P., Mertens, Franz G., Pylypovskyi, Oleksandr V., Saxena, Avadh, Sheka, Denis D., and Volkov, Oleksii M. Localization of magnon modes in a curved magnetic nanowire.  United States: N. p., 2018. 
Web.  doi:10.1063/1.5041428.

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                    Gaididei, Yuri, Kravchuk, Volodymyr P., Mertens, Franz G., Pylypovskyi, Oleksandr V., Saxena, Avadh, Sheka, Denis D., & Volkov, Oleksii M. Localization of magnon modes in a curved magnetic nanowire.  United States.  https://doi.org/10.1063/1.5041428

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                    Gaididei, Yuri, Kravchuk, Volodymyr P., Mertens, Franz G., Pylypovskyi, Oleksandr V., Saxena, Avadh, Sheka, Denis D., and Volkov, Oleksii M. Fri .  
"Localization of magnon modes in a curved magnetic nanowire".  United States.  https://doi.org/10.1063/1.5041428.  https://www.osti.gov/servlets/purl/1481975.

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@article{osti_1481975,

  title        = {Localization of magnon modes in a curved magnetic nanowire},

  author       = {Gaididei, Yuri and Kravchuk, Volodymyr P. and Mertens, Franz G. and Pylypovskyi, Oleksandr V. and Saxena, Avadh and Sheka, Denis D. and Volkov, Oleksii M.},

  abstractNote = {Spin waves in magnetic nanowires can be bound by a local bending of the wire. The eigenfrequency of a truly local magnon mode is determined by the curvature: a general analytical expression is established for any infinitesimally weak localized curvature of the wire. In conclusion, the interaction of the local mode with spin waves, propagating through the bend, results in scattering features, which is well confirmed by spin-lattice simulations.},

  doi          = {10.1063/1.5041428},

  journal      = {Low Temperature Physics},

  number       = 7,

  volume       = 44,

  place        = {United States},

  year         = {2018},

  month        = {7}

}

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Title: Localization of magnon modes in a curved magnetic nanowire

Abstract

Citation Formats

Zur Theorie des Ferromagnetismus journal, March 1930

Field Dependence of the Intrinsic Domain Magnetization of a Ferromagnet journal, December 1940

General Theory of Spin-Wave Interactions journal, June 1956

Magnonics journal, June 2010

The building blocks of magnonics journal, October 2011

Magnon transistor for all-magnon data processing journal, August 2014

Magnon spintronics journal, June 2015

Spin waves turning a corner journal, July 2012

How do spin waves pass through a bend? journal, October 2013

A reconfigurable waveguide for energy-efficient transmission and local manipulation of information in a nanomagnetic device journal, February 2016

High-performance giant magnetoresistive sensorics on flexible Si membranes journal, April 2015

Stretchable Magnetoelectronics journal, June 2011

Printable Magnetoelectronics journal, April 2013

Magnetism in curved geometries journal, August 2016

Curvature Effects in Thin Magnetic Shells journal, June 2014

Curvature effects in statics and dynamics of low dimensional magnets journal, March 2015

Magnetization in narrow ribbons: curvature effects journal, September 2017

Curvature-Induced Magnetochirality journal, September 2013

Curvature-induced domain wall pinning journal, September 2015

Coupling of Chiralities in Spin and Physical Spaces: The Möbius Ring as a Case Study journal, May 2015

Torsion-induced effects in magnetic nanowires journal, August 2015

Curvature and torsion effects in spin-current driven domain wall motion journal, March 2016

Rashba Torque Driven Domain Wall Motion in Magnetic Helices journal, March 2016

Mesoscale Dzyaloshinskii-Moriya interaction: geometrical tailoring of the magnetochirality journal, January 2018

Topologically stable magnetization states on a spherical shell: Curvature-stabilized skyrmions journal, October 2016

Multiplet of Skyrmion States on a Curvilinear Defect: Reconfigurable Skyrmion Lattices journal, February 2018

Reduced models for ferromagnetic nanowires journal, April 2011

Amplitudes for magnon scattering by vortices in two-dimensional weakly easy-plane ferromagnets journal, February 2004

Local magnon modes and the dynamics of a small-radius two-dimensional magnetic soliton in an easy-axis ferromagnet journal, October 2005

Spin eigenmodes of magnetic skyrmions and the problem of the effective skyrmion mass journal, February 2018

The bound state of weakly coupled Schrödinger operators in one and two dimensions journal, April 1976

Asymptotic phase-shifts and bound states for two-body central interactions journal, July 1963

The Levinson theorem journal, November 2006

Effects of surface anisotropy on magnetic vortex core journal, June 2014

Boundary conditions at the derivative of a delta function journal, May 1993

Zur Theorie des Ferromagnetismus
journal, March 1930

Field Dependence of the Intrinsic Domain Magnetization of a Ferromagnet
journal, December 1940

General Theory of Spin-Wave Interactions
journal, June 1956

Magnonics
journal, June 2010

The building blocks of magnonics
journal, October 2011

Magnon transistor for all-magnon data processing
journal, August 2014

Magnon spintronics
journal, June 2015

Spin waves turning a corner
journal, July 2012

How do spin waves pass through a bend?
journal, October 2013

A reconfigurable waveguide for energy-efficient transmission and local manipulation of information in a nanomagnetic device
journal, February 2016

High-performance giant magnetoresistive sensorics on flexible Si membranes
journal, April 2015

Stretchable Magnetoelectronics
journal, June 2011

Printable Magnetoelectronics
journal, April 2013

Magnetism in curved geometries
journal, August 2016

Curvature Effects in Thin Magnetic Shells
journal, June 2014

Curvature effects in statics and dynamics of low dimensional magnets
journal, March 2015

Magnetization in narrow ribbons: curvature effects
journal, September 2017

Curvature-Induced Magnetochirality
journal, September 2013

Curvature-induced domain wall pinning
journal, September 2015

Coupling of Chiralities in Spin and Physical Spaces: The Möbius Ring as a Case Study
journal, May 2015

Torsion-induced effects in magnetic nanowires
journal, August 2015

Curvature and torsion effects in spin-current driven domain wall motion
journal, March 2016

Rashba Torque Driven Domain Wall Motion in Magnetic Helices
journal, March 2016

Mesoscale Dzyaloshinskii-Moriya interaction: geometrical tailoring of the magnetochirality
journal, January 2018

Topologically stable magnetization states on a spherical shell: Curvature-stabilized skyrmions
journal, October 2016

Multiplet of Skyrmion States on a Curvilinear Defect: Reconfigurable Skyrmion Lattices
journal, February 2018

Reduced models for ferromagnetic nanowires
journal, April 2011

Amplitudes for magnon scattering by vortices in two-dimensional weakly easy-plane ferromagnets
journal, February 2004

Local magnon modes and the dynamics of a small-radius two-dimensional magnetic soliton in an easy-axis ferromagnet
journal, October 2005

Spin eigenmodes of magnetic skyrmions and the problem of the effective skyrmion mass
journal, February 2018

The bound state of weakly coupled Schrödinger operators in one and two dimensions
journal, April 1976

Asymptotic phase-shifts and bound states for two-body central interactions
journal, July 1963

The Levinson theorem
journal, November 2006

Effects of surface anisotropy on magnetic vortex core
journal, June 2014

Boundary conditions at the derivative of a delta function
journal, May 1993