http://www.cnr.it/ontology/cnr/individuo/prodotto/ID191803
Spin-to-Orbital Angular Momentum Conversion and Spin-Polarization Filtering in Electron Beam (Articolo in rivista)
- Type
- Label
- Spin-to-Orbital Angular Momentum Conversion and Spin-Polarization Filtering in Electron Beam (Articolo in rivista) (literal)
- Anno
- 2012-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevLett.108.044801 (literal)
- Alternative label
Ebrahim Karimi,1 Lorenzo Marrucci,1,2,* Vincenzo Grillo,3,4 and Enrico Santamato1 (2012)
Spin-to-Orbital Angular Momentum Conversion and Spin-Polarization Filtering in Electron Beam
in Physical review letters
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Ebrahim Karimi,1 Lorenzo Marrucci,1,2,* Vincenzo Grillo,3,4 and Enrico Santamato1 (literal)
- Pagina inizio
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1Dipartimento di Scienze Fisiche, Universita` di Napoli ''Federico II,''
Complesso Universitario di Monte S. Angelo, 80126 Napoli, Italy
2CNR-SPIN, Complesso Universitario di Monte S. Angelo, 80126 Napoli, Italy
3CNR-Istituto Nanoscienze, Centro S3, Via G Campi 213/a, I-41125 Modena, Italy
4CNR-IMEM, Parco delle Scienze 37a, I-43100 Parma, Italy (literal)
- Titolo
- Spin-to-Orbital Angular Momentum Conversion and Spin-Polarization Filtering in Electron Beam (literal)
- Abstract
- We propose the design of a space-variantWien filter for electron beams that induces a spin half-turn and
converts the corresponding spin angular momentum variation into orbital angular momentum of the beam
itself by exploiting a geometrical phase arising in the spin manipulation. When applied to a spatially
coherent input spin-polarized electron beam, such a device can generate an electron vortex beam, carrying
orbital angular momentum. When applied to an unpolarized input beam, the proposed device, in
combination with a suitable diffraction element, can act as a very effective spin-polarization filter. The
same approach can also be applied to neutron or atom beams (literal)
- Prodotto di
- Autore CNR
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