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Related papers: Hanle Effect for Lifetime Analysis: Li-like Ions

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The light-cone (LC) effect imprints the cosmological evolution of the redshifted 21-cm signal $T_{\rm b} ({\hat{\bf{n}}}, \nu)$ along the frequency axis which is the line of sight (LoS) direction of an observer. The effect is particularly…

Cosmology and Nongalactic Astrophysics · Physics 2018-12-27 Rajesh Mondal , Somnath Bharadwaj , Ilian T. Iliev , Kanan K. Datta , Suman Majumdar , Abinash K. Shaw , Anjan K. Sarkar

The laser-induced fragmentation dynamics of this most fundamental polar molecule HeH$^+$ are measured using an ion beam of helium hydride and an isotopologue at various wavelengths and intensities. In contrast to the prevailing…

Chemical Physics · Physics 2018-08-21 P. Wustelt , F. Oppermann , Lun Yue , M. Möller , T. Stöhlker , S. Gräfe , M. Lein , G. G. Paulus , A. M. Sayler

Via a non-perturbative method we study the population dynamics and photoelectron spectra of Cs atoms subject to intense chirped laser pulses, with gaussian beams. We include above threshold ionization spectral peaks. The frequency of the…

Atomic Physics · Physics 2009-10-31 R. Marani , E. J. Robinson

The study of hadronic resonances plays an important role both in pp and in heavy-ion collisions. Since the lifetimes of short-lived resonances are comparable with the lifetime of the fireball formed in heavy-ion collisions, regeneration and…

High Energy Physics - Experiment · Physics 2019-10-29 Angela Badalá

We compute the probability of photon-axion oscillations in the presence of both intergalactic magnetic fields and an electron plasma and investigate the effect on Type Ia supernovae observations. The conversion probability is calculated…

Astrophysics · Physics 2009-11-07 Edvard Mortsell , Lars Bergstrom , Ariel Goobar

The primary X-ray diagnostic lines in He-like ions are mainly excited by electron impact from the ground level to the n = 2 levels, but at high temperatures n > 2 levels are also excited. In order to describe the atomic processes more…

Astrophysics · Physics 2009-11-07 Franck Delahaye , Anil K. Pradhan

We investigate the laser-assisted single XUV photon double ionization of ground state helium. By solving full six-dimensional time-dependent schr{\"o}dinger equation, we study the correlation and angular distribution. The discussion in…

Atomic Physics · Physics 2020-03-24 Fengzheng Zhu , Genliang Li , Aihua Liu

With continuously increasing intensities, modern laser systems can become a valuable tool for the search for axions and axion-like particles. As conventional setups of axion searches cannot easily accommodate the usage of a high-intensity…

High Energy Physics - Phenomenology · Physics 2010-11-01 Babette Döbrich , Holger Gies

We report on a strong nonlinear behavior of the photogalvanics and photoconductivity under excitation of HgTe quantum wells (QWs) by intense terahertz (THz) radiation. The increasing radiation intensity causes an inversion of the sign of…

The study of highly charged ions offers a unique platform for probing the breakdown of non-relativistic theory under the influence of extreme electromagnetic environments. Here, we investigate the photoabsorption of highly charged ions…

Other Condensed Matter · Physics 2026-04-03 Anvar Khujakulov , Caterina Cocchi

We investigate the ground-state Hanle effect in alkali-metal vapor irradiating by a resonant elliptically polarized light wave. The magneto-optical resonances are observed as a change in the ellipticity parameter of the light wave…

Atomic Physics · Physics 2025-11-25 D. V. Brazhnikov , A. O. Makarov , K. S. Kozlova , A. N. Goncharov

The ionization efficiency of helicon plasma discharge is explored by changing the low axial magnetic field gradients near the helicon antenna. The highest plasma density is found for a most possible diverging field near the antenna by…

Plasma Physics · Physics 2019-09-04 Sonu Yadav , Prabal K Chattopadhyay , Kshitish K. Barada , Soumen Ghosh , Joydeep Ghosh

Detailed comparisons between theory and experiment for quantum electrodynamics (QED) effects in He-like ions have been performed in the literature to search for hints of new physics. Different frequentist statistical analyses of the…

For about a decade, spectro-polarimetry of HeI 10830 has been applied to the magnetic diagnostics of the solar chromosphere. This resonance line is very versatile, as it is visible both on disk and in off-limb structures, and it has a good…

Astrophysics · Physics 2011-02-11 R. Casini , R. Manso Sainz , B. C. Low

This work presents accurate {\it ab initio} investigations of various spectroscopic properties of a few Li-like ions in presence of a plasma environment within the Debye screening potential. The coupled-cluster theory in the relativistic…

Atomic Physics · Physics 2013-06-05 Pradip Kumar Mondal , Narendra Nath Dutta , Gopal Dixit , Sonjoy Majumder

We analytically sutdy the effect of external magnetic field in a Holographic superconductor by using Sturm-Liouville method. We estimate the coefficient of proportionality at critical temperature and find its denpendence on external…

High Energy Physics - Theory · Physics 2013-03-29 D. Momeni , Eiji Nakano , M. R. Setare , Wen-Yu Wen

Two-photon intensity interferometry is shown to provide an accurate measurement of lifetime of quark-gluon plasma created in ultra-relativistic heavy ion collisions via the difference of outward and sidewardcorrelation radii. Under the…

High Energy Physics - Phenomenology · Physics 2009-10-22 Dinesh K. Srivastava , Charles Gale

Laser induced plasmas have found numerous applications including plasma-assisted combustion, combustion diagnostics, laser induced breakdown spectroscopy, light detection and ranging techniques (LIDAR), microwave guiding, reconfigurable…

Plasma Physics · Physics 2017-10-11 A. Sharma , M. N. Slipchenko , M. N. Shneider , X. Wang , K. A. Rahman , A. Shashurin

Ballistic hot electron transport overcomes the well-known problems of conductivity and spin lifetime mismatch that plagues spin injection in semiconductors with ferromagnetic ohmic contacts. Through the spin-dependent mean-free-path, it…

Other Condensed Matter · Physics 2009-10-15 Ian Appelbaum

The motional electric field experienced by an H2+ ion moving in a magnetic field induces an electric dipole, so that one-photon dipole transitions between rovibrational states become allowed. Field induced spontaneous decay rates are…

Atomic Physics · Physics 2018-12-12 Jean-Philippe Karr