Quantum rainbow characterization of short chiral carbon nanotubes
Abstract
In this work, we present a study of the quantum angular distributions of 1 MeV positrons channeled through the chiral (7, 3), (8, 5), (9, 7), (14, 4), (16,5) and (17,7) single walled carbon nanotubes (SWCNTs), having the same length of 200 nm and the corresponding nanotube radiuses of 0.35, 0.45, 0.55, 0.65, 0.75 and 0.85 nm, respectively. The continuum positron-nanotube interaction potential was obtained using the thermally averaged Molieres positron-carbon interaction potential. A positron beam is treated as an ensemble of non-interacting quantum particles each represented by a Gaussian wave packet. Evolution of a channeled positron was obtained from the numerical solution of the corresponding time-dependent Schrodinger equation. For the comparison, the classical angular rainbows for cases under the consideration are investigated as well. They were obtained using the numerical solution of the corresponding Newtons equations of positron motion in the transverse plane of carbon nanotub...e. We show that the quantum angular transmission patterns can be successfully used for the characterization of short chiral carbon nanotubes.
Keywords:
Quantum rainbow channeling / Chiral nanotubes / Nanotube characterizationSource:
Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms, 2014, 323, 30-35Funding / projects:
- Physics and Chemistry with Ion Beams (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-45006)
DOI: 10.1016/j.nimb.2014.01.017
ISSN: 0168-583X; 1872-9584
WoS: 000333497800006
Scopus: 2-s2.0-84893815005
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VinčaTY - JOUR AU - Ćosić, Marko AU - Petrović, Srđan M. AU - Nešković, Nebojša B. PY - 2014 UR - https://vinar.vin.bg.ac.rs/handle/123456789/5932 AB - In this work, we present a study of the quantum angular distributions of 1 MeV positrons channeled through the chiral (7, 3), (8, 5), (9, 7), (14, 4), (16,5) and (17,7) single walled carbon nanotubes (SWCNTs), having the same length of 200 nm and the corresponding nanotube radiuses of 0.35, 0.45, 0.55, 0.65, 0.75 and 0.85 nm, respectively. The continuum positron-nanotube interaction potential was obtained using the thermally averaged Molieres positron-carbon interaction potential. A positron beam is treated as an ensemble of non-interacting quantum particles each represented by a Gaussian wave packet. Evolution of a channeled positron was obtained from the numerical solution of the corresponding time-dependent Schrodinger equation. For the comparison, the classical angular rainbows for cases under the consideration are investigated as well. They were obtained using the numerical solution of the corresponding Newtons equations of positron motion in the transverse plane of carbon nanotube. We show that the quantum angular transmission patterns can be successfully used for the characterization of short chiral carbon nanotubes. T2 - Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms T1 - Quantum rainbow characterization of short chiral carbon nanotubes VL - 323 SP - 30 EP - 35 DO - 10.1016/j.nimb.2014.01.017 ER -
@article{ author = "Ćosić, Marko and Petrović, Srđan M. and Nešković, Nebojša B.", year = "2014", abstract = "In this work, we present a study of the quantum angular distributions of 1 MeV positrons channeled through the chiral (7, 3), (8, 5), (9, 7), (14, 4), (16,5) and (17,7) single walled carbon nanotubes (SWCNTs), having the same length of 200 nm and the corresponding nanotube radiuses of 0.35, 0.45, 0.55, 0.65, 0.75 and 0.85 nm, respectively. The continuum positron-nanotube interaction potential was obtained using the thermally averaged Molieres positron-carbon interaction potential. A positron beam is treated as an ensemble of non-interacting quantum particles each represented by a Gaussian wave packet. Evolution of a channeled positron was obtained from the numerical solution of the corresponding time-dependent Schrodinger equation. For the comparison, the classical angular rainbows for cases under the consideration are investigated as well. They were obtained using the numerical solution of the corresponding Newtons equations of positron motion in the transverse plane of carbon nanotube. We show that the quantum angular transmission patterns can be successfully used for the characterization of short chiral carbon nanotubes.", journal = "Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms", title = "Quantum rainbow characterization of short chiral carbon nanotubes", volume = "323", pages = "30-35", doi = "10.1016/j.nimb.2014.01.017" }
Ćosić, M., Petrović, S. M.,& Nešković, N. B.. (2014). Quantum rainbow characterization of short chiral carbon nanotubes. in Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms, 323, 30-35. https://doi.org/10.1016/j.nimb.2014.01.017
Ćosić M, Petrović SM, Nešković NB. Quantum rainbow characterization of short chiral carbon nanotubes. in Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms. 2014;323:30-35. doi:10.1016/j.nimb.2014.01.017 .
Ćosić, Marko, Petrović, Srđan M., Nešković, Nebojša B., "Quantum rainbow characterization of short chiral carbon nanotubes" in Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms, 323 (2014):30-35, https://doi.org/10.1016/j.nimb.2014.01.017 . .