My research focuses on magnetic systems with robust and controllable excitations, such as spin waves and their quanta: magnons. Although my main interest is on fundamental phenomena, an important motivation is the potential use of these magnetic excitations in future low-power consumption devices.
Publications:
For citations and references please have a look at my Google Scholar profile
- J. Jena, B. Göbel, T. Hirosawa, S. A. Díaz, D. Wolf, T. Hinokihara, V. Kumar, I. Mertig, C. Felser, A. Lubk, D. Loss, and S. S. P. Parkin, "Observation of fractional spin textures in a Heusler material," Nat Commun 13, 2348 (2022)
- T. Hirosawa, J. Klinovaja, D. Loss, and S. A. Díaz, "Laser-Controlled Real- and Reciprocal-Space Topology in Multiferroic Insulators," Phys. Rev. Lett. 128, 037201 (2022); [Journal Cover]
- J. Nothhelfer, S. A. Díaz, S. Kessler, T. Meng, M. Rizzi, K. M. D. Hals, and K. Everschor-Sitte, "Steering Majorana braiding via skyrmion-vortex pairs: a scalable platform," arXiv:2110.13983
- S. A. Díaz, J. Klinovaja, D. Loss, and S. Hoffman, "Majorana bound states induced by antiferromagnetic skyrmion textures," Phys. Rev. B 104, 214501 (2021)
- S. A. Díaz and K. Everschor-Sitte, "Der Quanten-Twist," Physik Journal 20 (2021) Nr. 11
- S. A. Díaz and D. P. Arovas, "Quantum Nucleation of Skyrmions in Magnetic Films by Inhomogeneous Fields," Memorial Volume for Shoucheng Zhang, pp. 19-33 (2021)
- A. Mook, S. A. Díaz, J. Klinovaja, and D. Loss, "Chiral hinge magnons in second-order topological magnon insulators," Phys. Rev. B 104, 024406 (2021)
- T. Hirosawa, S. A. Díaz, J. Klinovaja, and D. Loss, "Magnonic Quadrupole Topological Insulator in Antiskyrmion Crystals," Phys. Rev. Lett. 125, 207204 (2020)
- S. A. Díaz, T. Hirosawa, D. Loss, and C. Psaroudaki, "Spin Wave Radiation by a Topological Charge Dipole," Nano Lett. 20, 6556 (2020)
- S. A. Díaz, T. Hirosawa, J. Klinovaja, and D. Loss, "Chiral magnonic edge states in ferromagnetic skyrmion crystals controlled by magnetic fields," Phys. Rev. Research 2, 013231 (2020)
- S. A. Díaz, J. Klinovaja, and D. Loss, "Topological Magnons and Edge States in Antiferromagnetic Skyrmion Crystals," Phys. Rev. Lett. 122, 187203 (2019); [Journal Cover]
- S. A. Díaz, C. Reichhardt, D. P. Arovas, A. Saxena, and C. J. O. Reichhardt, "Avalanches and Criticality in Driven Magnetic Skyrmions," Phys. Rev. Lett. 120, 117203 (2018)
- S. A. Díaz, C. J. O. Reichhardt, D. P. Arovas, A. Saxena, and C. Reichhardt, "Fluctuations and noise signatures of driven magnetic skyrmions," Phys. Rev. B 96, 085106 (2017)
- S. A. Díaz and R. E. Troncoso, "Controlling skyrmion helicity via engineered Dzyaloshinskii-Moriya interactions," J. Phys.: Condens. Matter 28, 426005 (2016)
- S. A. Díaz and M. Di Ventra, "The role of measurement time on the universal crossover from 1/f to non-1/f noise behavior," J. Comput. Electron. 14, 203 (2015)
- S. A. Díaz and A. S. Núñez, "Current-induced exchange interactions and effective temperature in localized moment systems," J. Phys.: Condens. Matter 24, 116001 (2012); [Journal Cover]