Plasmonic vortices host magnetoelectric interactions
The vector E×H and pseudoscalar E·H products of electric and magnetic fields are separately finite in vacuum transverse electric and magnetic (TEM) plane waves, and angular momentum structured light. Current theories of interactions beyond the standard model of particle physics invoke E·H≠0 as the s...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
American Physical Society
2024-02-01
|
| Series: | Physical Review Research |
| Online Access: | http://doi.org/10.1103/PhysRevResearch.6.013163 |
| _version_ | 1797210273662107648 |
|---|---|
| author | Atreyie Ghosh Sena Yang Yanan Dai W. Vincent Liu Hrvoje Petek |
| author_facet | Atreyie Ghosh Sena Yang Yanan Dai W. Vincent Liu Hrvoje Petek |
| author_sort | Atreyie Ghosh |
| collection | DOAJ |
| description | The vector E×H and pseudoscalar E·H products of electric and magnetic fields are separately finite in vacuum transverse electric and magnetic (TEM) plane waves, and angular momentum structured light. Current theories of interactions beyond the standard model of particle physics invoke E·H≠0 as the source term in the axion law that describes interactions with the cosmological dark matter axion particles outside of the quartet of Maxwell's equations. E·H≠0 also drives relativistic spin-charge magnetoelectric excitations of axion quasiparticles at a distinctively higher condensed matter scale in magnetic and topological materials. Yet, how to drive coherent E·H response is unknown, and provides motivation to examine the field polarizations in structured light on a deep subdiffraction limited spatial scale and suboptical cycle temporal scale by ultrafast nonlinear photoemission electron microscopy. By analytical theory and ultrafast coherent photoemission electron microscopy, we image E·H fields in surface plasmon polariton vortex cores at subwavelength scales, where we find that the magnetoelectric relative to the dipole density is intensified on an ∼10-nm-diameter scale as a universal property of plasmonic vortex fields. The generation and nanoscale localization of E·H fields introduces the magnetoelectric symmetry class, having the parity P and time reversal T broken, but the joint PT symmetry preserved. The ability to image the optical fields of plasmonic vortex cores opens the research of ultrafast microscopy of magnetoelectric responses and interactions with axion quasiparticles in solid state materials. |
| first_indexed | 2024-04-24T10:07:59Z |
| format | Article |
| id | doaj.art-ea7f8691ce6b405f82f3c30f40f689d2 |
| institution | Directory Open Access Journal |
| issn | 2643-1564 |
| language | English |
| last_indexed | 2024-04-24T10:07:59Z |
| publishDate | 2024-02-01 |
| publisher | American Physical Society |
| record_format | Article |
| series | Physical Review Research |
| spelling | doaj.art-ea7f8691ce6b405f82f3c30f40f689d22024-04-12T17:39:10ZengAmerican Physical SocietyPhysical Review Research2643-15642024-02-016101316310.1103/PhysRevResearch.6.013163Plasmonic vortices host magnetoelectric interactionsAtreyie GhoshSena YangYanan DaiW. Vincent LiuHrvoje PetekThe vector E×H and pseudoscalar E·H products of electric and magnetic fields are separately finite in vacuum transverse electric and magnetic (TEM) plane waves, and angular momentum structured light. Current theories of interactions beyond the standard model of particle physics invoke E·H≠0 as the source term in the axion law that describes interactions with the cosmological dark matter axion particles outside of the quartet of Maxwell's equations. E·H≠0 also drives relativistic spin-charge magnetoelectric excitations of axion quasiparticles at a distinctively higher condensed matter scale in magnetic and topological materials. Yet, how to drive coherent E·H response is unknown, and provides motivation to examine the field polarizations in structured light on a deep subdiffraction limited spatial scale and suboptical cycle temporal scale by ultrafast nonlinear photoemission electron microscopy. By analytical theory and ultrafast coherent photoemission electron microscopy, we image E·H fields in surface plasmon polariton vortex cores at subwavelength scales, where we find that the magnetoelectric relative to the dipole density is intensified on an ∼10-nm-diameter scale as a universal property of plasmonic vortex fields. The generation and nanoscale localization of E·H fields introduces the magnetoelectric symmetry class, having the parity P and time reversal T broken, but the joint PT symmetry preserved. The ability to image the optical fields of plasmonic vortex cores opens the research of ultrafast microscopy of magnetoelectric responses and interactions with axion quasiparticles in solid state materials.http://doi.org/10.1103/PhysRevResearch.6.013163 |
| spellingShingle | Atreyie Ghosh Sena Yang Yanan Dai W. Vincent Liu Hrvoje Petek Plasmonic vortices host magnetoelectric interactions Physical Review Research |
| title | Plasmonic vortices host magnetoelectric interactions |
| title_full | Plasmonic vortices host magnetoelectric interactions |
| title_fullStr | Plasmonic vortices host magnetoelectric interactions |
| title_full_unstemmed | Plasmonic vortices host magnetoelectric interactions |
| title_short | Plasmonic vortices host magnetoelectric interactions |
| title_sort | plasmonic vortices host magnetoelectric interactions |
| url | http://doi.org/10.1103/PhysRevResearch.6.013163 |
| work_keys_str_mv | AT atreyieghosh plasmonicvorticeshostmagnetoelectricinteractions AT senayang plasmonicvorticeshostmagnetoelectricinteractions AT yanandai plasmonicvorticeshostmagnetoelectricinteractions AT wvincentliu plasmonicvorticeshostmagnetoelectricinteractions AT hrvojepetek plasmonicvorticeshostmagnetoelectricinteractions |