Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Jakub Benda"'
Autor:
Wenyu Jiang, Gregory S. J. Armstrong, Jihong Tong, Yidan Xu, Zitan Zuo, Junjie Qiang, Peifen Lu, Daniel D. A. Clarke, Jakub Benda, Avner Fleischer, Hongcheng Ni, Kiyoshi Ueda, Hugo W. van der Hart, Andrew C. Brown, Xiaochun Gong, Jian Wu
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)
Understanding the photoelectron emission time after the interaction of photon with atoms and molecules is of fundamental interest. Here the authors examine the role of partial waves to the photoionization phase shift of atoms using an attosecond cloc
Externí odkaz:
https://doaj.org/article/191821a8e0104836ae8f4810d3902ca5
Autor:
Jakub Benda, Zdeněk Mašín
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-19 (2021)
Abstract We formulate a computationally efficient time-independent method based on the multi-electron molecular R-matrix formalism. This method is used to calculate transition matrix elements for the multi-photon ionization of atoms and molecules und
Externí odkaz:
https://doaj.org/article/f5cb44c9a3e54728adead940196d8132
Autor:
Bridgette Cooper, Maria Tudorovskaya, Sebastian Mohr, Aran O’Hare, Martin Hanicinec, Anna Dzarasova, Jimena D. Gorfinkiel, Jakub Benda, Zdeněk Mašín, Ahmed F. Al-Refaie, Peter J. Knowles, Jonathan Tennyson
Publikováno v:
Atoms, Vol 7, Iss 4, p 97 (2019)
Collisions of low energy electrons with molecules are important for understanding many aspects of the environment and technologies. Understanding the processes that occur in these types of collisions can give insights into plasma etching processes, e
Externí odkaz:
https://doaj.org/article/42c86f5aaf764f35a526c838207439b6
Publikováno v:
Physical Review A. 107
Reconstruction of attosecond beating by interference of two-photon transitions (RABBITT) is a powerful photoelectron spectroscopy, offering direct access to internal dynamics of the target. It is being increasingly applied to molecular systems, but a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ef4d6b97bc2bf02341cb0e61b94bfa02
https://doi.org/10.1103/physreva.107.043105
https://doi.org/10.1103/physreva.107.043105
Autor:
Avner Fleischer, Andrew Brown, Jihong Tong, Hongcheng Ni, Peifen Lu, Junjie Qiang, Yidan Xu, Xiaochun Gong, Hugo W van der Hart, Wenyu Jiang, Kiyoshi Ueda, D. D. A. Clarke, Gregory Armstrong, Jian Wu, Zitan Zuo, Jakub Benda
Attosecond chronoscopy is central to the understanding of ultrafast electron dynamics from gas to condensed phase with attosecond temporal resolution. It has, however, not yet been able to determine the timing of individual partial waves, and steerin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb56fd08dbc760942736736f51e31579
https://doi.org/10.21203/rs.3.rs-828066/v1
https://doi.org/10.21203/rs.3.rs-828066/v1
Autor:
H. W. van der Hart, D. D. A. Clarke, Jack Wragg, Andrew Brown, Jakub Benda, Gregory Armstrong
Publikováno v:
Armstrong, G S J, Clarke, D D A, Benda, J, Wragg, J, Brown, A C & van der Hart, H W 2021, ' Enhancing spin polarization using ultrafast angular streaking ', Physical Review A (Atomic, Molecular, and Optical Physics), vol. 103, 053123 . https://doi.org/10.1103/PhysRevA.103.053123
Through solution of the multielectron, semi-relativistic, time-dependent Schr\"{o}dinger equation, we show that angular streaking produces strongly spin-polarized electrons in a noble gas. The degree of spin polarization increases with the Keldysh pa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56eef59db50168df6c00cfd79e879528
Autor:
Jakub Benda, Jack Wragg, Andrew Brown, Zdeněk Mašín, D. D. A. Clarke, H. W. van der Hart, Jimena D. Gorfinkiel, Gregory Armstrong
Publikováno v:
Physical Review A. 102
The ab initio $R$-matrix with time method has recently been extended to allow simulation of fully nonperturbative multielectron processes in molecules driven by ultrashort arbitrarily polarized strong laser fields. Here we demonstrate the accuracy an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ba5da4aec01b2ee22ca12d690e33a31
https://doi.org/10.1103/physreva.102.052826
https://doi.org/10.1103/physreva.102.052826
Publikováno v:
Armstrong, G S J, Clarke, D D A, Benda, J, Brown, A C & Van Der Hart, H 2020, ' Electron correlation and short-range dynamics in attosecond angular streaking ', Physical Review A (Atomic, Molecular, and Optical Physics), vol. 101, no. 4, 041401(R) . https://doi.org/10.1103/PhysRevA.101.041401, https://doi.org/10.1103/PhysRevA.101.041401
We employ the R matrix with time-dependence method to study attosecond angular streaking of F−. Using this negative ion, free of long-range Coulomb interactions, we elucidate the role of short-range electron correlation effects in an attoclock sche
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::58c1eb20505e1567aaa05625fed68619
https://pure.qub.ac.uk/en/publications/electron-correlation-and-shortrange-dynamics-in-attosecond-angular-streaking(5d7b3f21-9d9f-440e-890f-118a5667dc7b).html
https://pure.qub.ac.uk/en/publications/electron-correlation-and-shortrange-dynamics-in-attosecond-angular-streaking(5d7b3f21-9d9f-440e-890f-118a5667dc7b).html
UKRmol+ is a new implementation of the UK R-matrix electron-molecule scattering code. Key features of the implementation are the use of quantum chemistry codes such as Molpro to provide target molecular orbitals; the optional use of mixed Gaussian --
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::afc3c372d9f7fca6e5ebd0a9ef838a17
http://oro.open.ac.uk/68462/1/1-s2.0-S0010465519303972-main.pdf
http://oro.open.ac.uk/68462/1/1-s2.0-S0010465519303972-main.pdf
Autor:
D. D. A. Clarke, Jimena D. Gorfinkiel, Jakub Benda, Gregory Armstrong, Zdenek Masin, H. W. van der Hart, Andrew Brown
Synopsis We present results of the first calculations using the variational ab initio molecular R-matrix with time approach. We have calculated two and four-photon ionization cross sections for H2 and studied the effects of electron correlation and c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c844022c6c81205b14d76c96dd1051fe
http://oro.open.ac.uk/70821/1/pdf.pdf
http://oro.open.ac.uk/70821/1/pdf.pdf