Fitxers
Tipus de document
ArticleVersió
Versió publicadaData de publicació
Tots els drets reservats
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/118824
Defect Dynamics in Artificial Colloidal Ice: Real-Time Observation, Manipulation, and Logic Gate
Títol de la revista
Director/Tutor
Contribució addicional
ISSN de la revista
Títol del volum
Resum
We study the defect dynamics in a colloidal spin ice system realized by filling a square lattice of topographic double well islands with repulsively interacting magnetic colloids. We focus on the contraction of defects in the ground state, and contraction or expansion in a metastable biased state. Combining real-time experiments with simulations, we prove that these defects behave like emergent topological monopoles obeying a Coulomb law with an additional line tension. We further show how to realize a completely resettable 'nor' gate, which provides guidelines for fabrication of nanoscale logic devices based on the motion of topological magnetic monopoles.
Recurs relacionat
Matèries
Matèries (anglès)
Citació
Citació
LOEHR, Johannes, ORTIZ-AMBRIZ, Antonio and TIERNO, Pietro. Defect Dynamics in Artificial Colloidal Ice: Real-Time Observation, Manipulation, and Logic Gate. Physical Review Letters. 2016. Vol. 117, num. 168001-1-168001-5. ISSN 0031-9007. [consulted: 29 of October of 2026]. Available at: https://hdl.handle.net/2445/118824