Dynamics of electrically polarized magnetic monopoles in spin ice

Autor:	Aranyak Sarkar, Soumik Mukhopadhyay
Rok vydání:	2014
Předmět:	Physics Spin ice Polarization density Electric dipole moment Condensed matter physics Spin polarization High Energy Physics::Lattice Point reflection Magnetic monopole Charge (physics) Condensed Matter Physics Electronic Optical and Magnetic Materials Spin-½
Zdroj:	Physical Review B. 90
ISSN:	1550-235X 1098-0121
DOI:	10.1103/physrevb.90.165129
Popis:	We propose a simple mechanism through which elementary excitations in spin ice, namely, magnetic monopoles, lead to spontaneous macroscopic electric polarization by breaking the space inversion symmetry in the spin configuration. We show that while the magnetic monopole charge is conserved in hopping, the corresponding electric dipole moment cannot be a constant of motion. The possibilities as well as the limitations involved in electrical manipulation of the monopole dynamics are also discussed.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::14d0eae948afd959d7cca94ef77ac5a2 https://doi.org/10.1103/physrevb.90.165129 Zobrazit plný text záznamu