Zobrazeno 1 - 10
of 115
pro vyhledávání: '"Scrinzi, Armin"'
Single-photon and multi-photon ionization of helium and neon atoms by ultrashort extreme ultraviolet radiation is studied. The wavelength of radiation is chosen to excite a set of doubly excited states. We analyse the lineshapes arising from the pres
Externí odkaz:
http://arxiv.org/abs/2406.09306
We present a new implementation of the hybrid antisymmetrized Coupled Channels (haCC) method in the framework of the tRecX [A. Scrinzi, Comp. Phys. Comm., 270:108146, 2022.]. The method represents atomic and molecular multi-electron functions by comb
Externí odkaz:
http://arxiv.org/abs/2403.11918
We investigate attosecond time delays in the emission of photoelectrons using a hierarchy of models of the $CO_2$ molecule including the strong field approximation, Coulomb-scattering, short-range parts of the molecular potential, Hartree and Hartree
Externí odkaz:
http://arxiv.org/abs/2103.14447
Autor:
Scrinzi, Armin
Publikováno v:
Computer Physics Communications 2021, 108146
TRecX is a C++ code for solving generalized inhomogeneous time-dependent Schr\"odinger-type equations $id\Psi/dt = H[t,\Psi] + \Phi$ in arbitrary dimensions and in a variety of coordinate systems. The operator $H[t,\Psi]$ may have simple non-linearit
Externí odkaz:
http://arxiv.org/abs/2101.08171
Attosecond interferometry (AI) is an experimental technique based on ionizing a system with an attosecond pulse train in the presence of an assisting laser. This assisting laser provides multiple pathways for the photoelectron wave packet to reach th
Externí odkaz:
http://arxiv.org/abs/2010.02735
Autor:
Schneider, Barry I., Klaus~Bartschat, Zatsarinny, Oleg, Bray, Igor, Scrinzi, Armin, Martin, Fernando, Klinker, Markus, Tennyson, Jonathan, Gorfinkiel, Jimena D., Pamidighantam, Sudhakar
We describe the creation of a new Atomic and Molecular Physics science gateway (AMPGateway). The gateway is designed to bring together a subset of the AMP community to work collectively to make their codes available and easier to use by the partners
Externí odkaz:
http://arxiv.org/abs/2001.02286
Autor:
Zhu, Jinzhen, Scrinzi, Armin
Publikováno v:
Phys. Rev. A 101, 063407 (2020)
Double photoelectron emission from He atoms by intense laser pulses with a wave length of $394.5\,nm$ is computed for intensities $3.5 - 9.2\times 10^{14}W/cm^2$. Joint momentum distributions confirm the characteristics seen in classical trajectory c
Externí odkaz:
http://arxiv.org/abs/1912.09250
Akademický článek
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Publikováno v:
Phys. Rev. A 97, 023423 (2018)
We present a numerical implementation of the infinite-range exterior complex scaling (irECS) [Phys. Rev. A 81, 053845 (2010)] as an efficient absorbing boundary to the time-dependent complete-active-space self-consistent field (TD-CASSCF) method [Phy
Externí odkaz:
http://arxiv.org/abs/1712.08779
Autor:
Majety, Vinay Pramod, Scrinzi, Armin
We report fully differential photoelectron spectra from an {\it ab-inito} coupled channels treatment of CO$_2$. Photoionization by laser pulses centered at 400 nm and 800 nm wavelength are considered, with arbitrary molecular alignment and polarizati
Externí odkaz:
http://arxiv.org/abs/1709.00721