PD Dr. Elena Vedmedenko

Scientific Staff, group member since 2003
Subgroup: Magneto-Theory

Contact:

Phone: +49 (0)40 42838 - 5243(off)
Fax:       +49 (0)40 42838 - 5311
Email:       vedmedenko @ physnet.uni-hamburg.de

Postal Address:
Institute of Applied Physics and Interdisciplinary Nanoscience Center Hamburg
Jungiusstr. 11A, Room:  310(off)
D-20355 Hamburg
Germany
Url: http://www.physnet.uni-hamburg.de/hp/vedmeden/

Publications:

Localized spin waves in isolated kpi-skyrmions
L. Rózsa, J. Hagemeister, E. Y. Vedmedenko, and R. Wiesendanger,
Phys. Rev. B 98 224426 (2018)
  arrow abstract (HTML)   arrow full text (PDF)
Controlled creation and stability of kπ skyrmions on a discrete lattice
J. Hagemeister, A. Siemens, L. Ròzsa, E. Y. Vedmedenko, and R. Wiesendanger,
Phys. Rev. B 97 174436 (2018)
  arrow abstract (HTML)   arrow full text (PDF)
Effective damping enhancement in noncollinear spin structures
L. Rózsa, J. Hagemeister, E. Y. Vedmedenko, and R. Wiesendanger,
Phys. Rev. B 30 100404 (2018)
  arrow abstract (HTML)   arrow full text (PDF)
Inducing skyrmions in ultrathin Fe films by hydrogen exposure
P. J. Hsu, L. Rózsa, A. Finco, L. Schmidt, K. Palotas, E. Vedmedenko, L. Udvardi, L. Szunyogh, A. Kubetzka, K. von Bergmann, and R. Wiesendanger,
Nature Communications 9 1571 (2018)
  arrow abstract (HTML)   arrow full text (PDF)
Temperature-Induced Increase of Spin Spiral Periods
A. Finco, L. Rózsa, P.-J. Hsu, A. Kubetzka, E. Vedmedenko, K. von Bergmann, and R. Wiesendanger,
Phys. Rev. Lett. 119 037202 (2017)
  arrow abstract (HTML)   arrow full text (PDF)
Perturbative calculations of quantum spin tunneling in effective spin systems with a transversal magnetic field and transversal anisotropy
M. Krizanac, E. Y. Vedmedenko, and R. Wiesendanger,,
New Journ. Phys. 19 013032 (2017)
  arrow abstract (HTML)   arrow full text (PDF)
Skyrmions at the Edge: Confinement Effects in Fe/Ir(111)
J. Hagemeister, D. Iaia, E. Y. Vedmedenko, K. von Bergmann, A. Kubetzka, and R. Wiesendanger,
Phys. Rev. Lett. 117 207202 (2016)
  arrow abstract (HTML)   arrow full text (PDF)
Pattern formation in skyrmionic materials with anisotropic environments
J. Hagemeister, E. Y. Vedmedenko, and R. Wiesendanger,
Phys. Rev. B 94 104434 (2016)
  arrow abstract (HTML)   arrow full text (PDF)
Minimal radius of magnetic skyrmions: statics and dynamics
A. Siemens, Y. Zhang, J. Hagemeister, E. Vedmedenko, and R. Wiesendanger,
New Journ. Phys. 18 045021 (2016)
  arrow abstract (HTML)   arrow full text (PDF)
Quantum revivals and magnetization tunneling in effective spin systems
M. Krizanac, D. Altwein, E. Y. Vedmedenko, and R. Wiesendanger,
New Journ. Phys. 18 033029 (2016)
  arrow abstract (HTML)   arrow full text (PDF)
Dynamics of Bound Monopoles in Artificial Spin Ice: How to Store Energy in Dirac Strings
E. Y. Vedmedenko,
Phys. Rev. Lett. 116 077202 (2016)
  arrow abstract (HTML)   arrow full text (PDF)
Stability of Single Skyrmionic Bits
J. Hagemeister, N. Romming, K. von Bergmann, E.Y. Vedmedenko, and R. Wiesendanger,
Nature Communications 6 8455 (2015)
  arrow abstract (HTML)   arrow full text (PDF)
Bounds on expectation values of quantum subsystems and perturbation theory
K. Them, E. Y. Vedmedenko, K. Fredenhagen, and R. Wiesendanger,
J. Phys. A: Math. Theor. 48 075301 (2015)
  arrow abstract (HTML)   arrow full text (PDF)
Influence of long-range interactions on the switching behavior of particles in an array of ferromagnetic nanostructure
A. Neumann, D. Altwein, C. Thönnißen, R. Wieser, A. Berger, A. Meyer, E. Vedmedenko and H.-P. Oepen,
New Journ. Phys. 16 083012 (2014)
  arrow abstract (HTML)   arrow full text (PDF)
Topologically Protected Magnetic Helix for All-Spin-Based Applications
E. Y. Vedmedenko and D. Altwein,
Phys. Rev. Lett. 112 017206 (2014)
  arrow abstract (HTML)   arrow full text (PDF)
Collective magnetism in arrays of spinor Bose–Einstein condensates
E.Y. Vedmedenko, M. Schult, J. Kronjäger, R. Wiesendanger, K. Bongs, and K. Sengstock,
New Journ. Phys. 15 063033 (2013)
  arrow abstract (HTML)   arrow full text (PDF)
Non-equilibrium finite temperature dynamics of magnetic quantum systems: applications to spin-polarized scanning tunneling microscopy
K. Them, T. Stapelfeldt, E.Y. Vedmedenko, and R. Wiesendanger,
New Journ. Phys. 15 013009 (2013)
  arrow abstract (HTML)   arrow full text (PDF)
A theoretical study of the dynamical switching of a single spin by exchange forces
R. Wieser, V. Caciuc, C. Lazo, H. Hölscher, E. Y. Vedmedenko, and R. Wiesendanger,
New Journal of Physics 15 013011 (2013)
  arrow abstract (HTML)   arrow full text (PDF)
Atomic-scale magnetic dissipation from spin-dependent adhesion hysteresis
E. Y. Vedmedenko, Q. Zhu, U. Kaiser, A. Schwarz, and R. Wiesendanger,
Phys. Rev. B 85 174410 (2012)
  arrow abstract (HTML)   arrow full text (PDF)
Information Transfer by Vector Spin Chirality in Finite Magnetic Chains
M. Menzel, Y. Mokrousov, R. Wieser, J. E. Bickel, E. Vedmedenko, S. Blügel, S. Heine, K. von Bergmann, A. Kubetzka, and R. Wiesedanger,
Phys. Rev. Lett. 108 197204 (2012)
  arrow abstract (HTML)   arrow full text (PDF)
Magnetic dipole configurations in honeycomb lattices: order and disorder
A. Schumann, P. Szary, E. Y. Vedmedenko, and H. Zabel,
New J. Phys. 14 035015 (2012)
  arrow abstract (HTML)   arrow full text (PDF)
Manipulation of domain walls using a spin-polarized STM
R. Wieser, T. Stapelfeldt, E. Y. Vedmedenko, and R. Wiesendanger ,
Europhys. Lett. 97 17009 (2012)
  arrow abstract (HTML)   arrow full text (PDF)
Domain Wall Manipulation with a Magnetic Tip
T. Stapelfeldt, R. Wieser, E. Y. Vedmedenko, and R. Wiesendanger,
Phys. Rev. Lett. 107 027203 (2011)
  arrow abstract (HTML)   arrow full text (PDF)
Spin-spin correlations in ferromagnetic nanosystems
E. Y. Vedmedenko, N. Mikuszeit, T. Stapelfeldt, R. Wieser, M. Potthoff, A. I. Lichtenstein and R. Wiesendanger ,
Eur. Phys. J. B 80 331 (2011)
  arrow abstract (HTML)   arrow full text (PDF)
A multi-scale model of domain wall velocities based on ab initio parameters
P. Weinberger, E. Y. Vedmedenko, R. Wieser, and R. Wiesendanger,
Philosophical Magazine 91 2248 (2011)
  arrow abstract (HTML)   arrow full text (PDF)
Indirect Control of Antiferromagnetic Domain Walls with Spin Current
R. Wieser, E. Y. Vedmedenko, and R. Wiesendanger,
Phys. Rev. Lett. 106 067204 (2011)
  arrow abstract (HTML)   arrow full text (PDF)
Current driven domain wall motion in cylindrical nanowires
R. Wieser, E. Y. Vedmedenko, P. Weinberger, and R. Wiesendanger,
Phys. Rev. B 82 144430 (2010)
  arrow abstract (HTML)   arrow full text (PDF)
Strength and directionality of surface Ruderman–Kittel–Kasuya–Yosida interaction mapped on the atomic scale
L. Zhou, J. Wiebe, S. Lounis, E. Vedmedenko, F. Meier, S. Blügel, P. H. Dederichs, and R. Wiesendanger,
Nature Physics 6 187 (2010)
  arrow abstract (HTML)   arrow full text (PDF)
Domain wall motion damped by the emission of spin waves
R. Wieser, E. Y. Vedmedenko, and R. Wiesendanger ,
Phys. Rev. B 81 024405 (2010)
  arrow abstract (HTML)   arrow full text (PDF)
Real-Space Observation of a Right-Rotating Inhomogeneous Cycloidal Spin Spiral by Spin-Polarized Scanning Tunneling Microscopy in a Triple Axes Vector Magnet
S. Meckler, N. Mikuszeit, A. Preßler, E. Y. Vedmedenko, O. Pietzsch, and R. Wiesendanger,
Phys. Rev. Lett. 103 157201 (2009)
  arrow abstract (HTML)   arrow full text (PDF)
Magnetic Ground State of Single and Coupled Permalloy Rectangles
S. Hankemeier, R. Frömter, N. Mikuszeit, D. Stickler, H. Stillrich, S. Pütter, E. Y. Vedmedenko, and H. P. Oepen,
Phys. Rev. Lett. 103 147204 (2009)
  arrow abstract (HTML)   arrow full text (PDF)
Atomic-Level Control of the DomainWall Velocity in Ultrathin Magnets by Tuning of Exchange Interactions
A. Stupakiewicz, E.Y. Vedmedenko, A. Fleurence, T. Maroutian, P. Beauvillain, A. Maziewski, and R. Wiesendanger,
Phys. Rev. Lett. 103 137202 (2009)
  arrow abstract (HTML)   arrow full text (PDF)
Magnetization Reversal of Nanoscale Islands: How Size and Shape Affect the Arrhenius Prefactor
S. Krause, G. Herzog, T. Stapelfeldt, L. Berbil-Bautista, M. Bode, E. Y. Vedmedenko, and R. Wiesendanger,
Phys. Rev. Lett. 103 127202 (2009)
  arrow abstract (HTML)   arrow full text (PDF)
The effect of tilted edges on the shape anisotropy and stray field coupling of uniformly magnetized rectangular elements
S. Pütter, N. Mikuszeit, E. Y. Vedmedenko, and H. P. Oepen,
J. Appl. Phys. 106 043916 (2009)
  arrow abstract (HTML)   arrow full text (PDF)
Quasiantiferromagnetic 120° Néel state in two-dimensional clusters of dipole-quadrupole-interacting particles on a hexagonal lattice
N. Mikuszeit, L. Baraban, E. Y. Vedmedenko, A. Erbe, P. Leiderer, and R. Wiesendanger,
Phys. Rev. B 80 (2009)
  arrow abstract (HTML)   arrow full text (PDF)
Quantized spin waves in ferromagnetic and antiferromagnetic structures with domain walls
R. Wieser, E. Y. Vedmedenko, and R. Wiesendanger,
Phys. Rev. B 79 144412 (2009)
  arrow abstract (HTML)   arrow full text (PDF)
Quantized Spin Waves in Antiferromagnetic Heisenberg Chains
R. Wieser, E. Y. Vedmedenko, and R. Wiesendanger,
Phys. Rev. Lett. 101 177202 (2008)
  arrow abstract (HTML)   arrow full text (PDF)
Atomic-Scale Spin Spiral with a Unique Rotational Sense: Mn Monolayer on W(001)
P. Ferriani, K. von Bergmann, E. Y. Vedmedenko, S. Heinze, M. Bode, M. Heide, G. Bihlmayer, S. Blügel, and R. Wiesendanger,
Phys. Rev. Lett. 101 027201 (2008)
  arrow abstract (HTML)   arrow full text (PDF)
Multipolar Ordering in Electro- and Magnetostatic Coupled Nanosystems
E.Y. Vedmedenko, N. Mikuszeit,
ChemPhysChem 9 1222 (2008)
  arrow abstract (HTML)   arrow full text (PDF)
In search of multipolar order on the Penrose tiling
E. Y. Vedmedenko, S. Even-Dar Mandel, R. Lifshitz,
Phil. Mag. 88 2197 (2008)
  arrow abstract (HTML)   arrow full text (PDF)
Complex magnetic order on the atomic scale revealed by spin-polarized scanning tunnelling microscopy
K. von Bergmann, M. Bode, A. Kubetzka, O. Pietzsch, E. Y. Vedmedenko, R. Wiesendanger,
Phil. Mag. 88 2627 (2008)
  arrow abstract (HTML)   arrow full text (PDF)
Magnetic properties of single atoms of Fe and Co on Ir(111) and Pt(111)
C. Etz, J. Zabloudil, P. Weinberger, E. Y. Vedmedenko,
Phys. Rev. B 77 184425 (2008)
  arrow abstract (HTML)   arrow full text (PDF)
Magnetization reversal of microstructured kagome lattices
A. Westphalen, A. Schumann, A. Remhof, H. Zabel, M. Karolak, B. Baxevanis, E. Y. Vedmedenko, T. Last, U. Kunze, T. Eimüller,
Phys. Rev. B 77 174407 (2008)
  arrow abstract (HTML)   arrow full text (PDF)
Modulated multipolar structures in magnetic arrays
E. Y. Vedmedenko, R. Wiesendanger,
Phil. Mag. 88 2683 (2008)
  arrow abstract (HTML)   arrow full text (PDF)
Magnetostatic interactions on a square lattice
A. Remhof, A. Schumann, A. Westphalen, H. Zabel, N. Mikuszeit, E. Y. Vedmedenko, T. Last, and U. Kunze,
Phys. Rev. B 77 134409 (2008)
  arrow abstract (HTML)   arrow full text (PDF)
Entropy driven phase transition in itinerant antiferromagnetic monolayers
R. Wieser, E. Y. Vedmedenko, and R. Wiesendanger,
Phys. Rev. B 77 064410 (2008)
  arrow abstract (HTML)   arrow full text (PDF)
Chiral magnetic ordering in two-dimensional ferromagnets with competing Dzyaloshinsky-Moriya interactions
E.Y. Vedmedenko, L. Udvardi, P. Weinberger, R. Wiesendanger ,
Phys. Rev. B 75 104431 (2007)
  arrow abstract (HTML)   arrow full text (PDF)
Multipole moments of general ellipsoids with two polarized domains
M. Schult, N. Mikuszeit, E. Y. Vedmedenko and R. Wiesendanger,
J. Phys. A 40 14791 (2007)
  arrow abstract (HTML)   arrow full text (PDF)
Influence of the lattice discreteness on magnetic ordering in nanostructures and nanoarrays
E. Y. Vedmedenko,
phys. stat. sol. (b) 244 1133 (2007)
  arrow abstract (HTML)   arrow full text (PDF)
Vortex fluctuations and ordering of dipolar-coupled granular moments in thin ferromagnetic films
J. Kötzler, D. Görlitz, M. Kurfiß, L. von Sawilski, and E. Y. Vedmedenko ,
Phys. Rev. B 73 224425 (2006)
  arrow abstract (HTML)   arrow full text (PDF)
Atomic spin structure of antiferromagnetic domain walls
M. Bode, E. Y. Vedmedenko, K. von Bergmann, A. Kubetzka, P. Ferriani, S. Heinze, and R. Wiesendanger,
Nature Materials 5 477 (2006)
  arrow abstract (HTML)   arrow full text (PDF)
Observation of a complex nanoscale magnetic structure in a hexagonal Fe monolayer
K. von Bergmann, S. Heinze, M. Bode, E. Y. Vedmedenko, G. Bihlmayer, S. Blügel, and R. Wiesendanger,
Phys. Rev. Lett. 96 167203 (2006)
  arrow abstract (HTML)   arrow full text (PDF)
Interplay between magnetic and spatial order in Quasicrystals
E. Y. Vedmedenko, U. Grimm, and R. Wiesendanger,
Philosophical Magazine 86 733-739 (2006)
 (not online available)
Non-collinear Magnetism in Quasicrystals
E. Y. Vedmedenko,
Modern Physics Letters B 19 1367 (2005)
  arrow abstract (HTML)   arrow full text (PDF)
Multipolar Ordering and Magnetization Reversal in Two-Dimensional Nanomagnet Arrays
E. Y. Vedmedenko, N. Mikuszeit, H. P. Oepen, and R. Wiesendanger,
Phys. Rev. Lett. 95 207202 (2005)
  arrow abstract (HTML)   arrow full text (PDF)
Oberfläche zwingt zur Ordnung
E. Y. Vedmedenko,
Physik Journal 8/2005 81 (2005)
 (not online available)
Multipole moments of the in-plane magnetized nanodiscs
N. Mikuszeit, E.Y. Vedmedenko, R. Wiesendanger, and H.P. Oepen,
J. Appl. Phys. 97 10J502 (2005)
  arrow abstract (HTML)
Lattice-dependent anisotropy in the orientation of magnetic domain walls
E. Y. Vedmedenko, K. von Bergmann, H. P. Oepen, and R. Wiesendanger,
J. Magn. Magn. Mater. 290-291 746 (2005)
  arrow abstract (HTML)   arrow full text (PDF)
Multipole interaction of polarized single-domain particles
N. Mikuszeit, E. Y. Vedmedenko, and H. P. Oepen,
J. Phys. C 16 9037 (2004)
  arrow abstract (HTML)   arrow full text (PDF)
Noncollinear magnetic order in quasicrystals.
E. Y. Vedmedenko. U. Grimm, and R. Wiesendanger,
Phys. Rev. Lett. 93 76407 (2004)
  arrow abstract (HTML)   arrow full text (PDF)
Domain Wall Orientation in Magnetic Nanowires
E. Y. Vedmedenko, A. Kubetzka, K. von Bergmann, O. Pietzsch, M. Bode, J. Kirschner, H. P. Oepen, and R. Wiesendanger,
Phys. Rev. Lett. 92 77207 (2004)
  arrow abstract (HTML)
Quasiperiodic magnetic Order and geometrical Frustration on the Penrose Tiling
E. Y. Vedmedenko,
Ferroelectrics 305 129 (2004)
  arrow abstract (HTML)   arrow full text (PDF)