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Free-free transitions in laser-assisted electron-hydrogen scattering in a bichromatic field of frequencies $\omega $ and $2\omega $ are studied at moderate intensities for fast projectiles. A hybrid approach is used, in which the…

原子物理 · 物理学 2013-03-07 Aurelia Cionga , Gabriela Zloh

Classical mechanics and Time Dependent Hartree-Fock (TDHF) calculations of heavy ions collisions are performed to study the rotation of a deformed nucleus in the Coulomb field of its partner. This reorientation is shown to be independent on…

核理论 · 物理学 2009-11-10 Cedric Simenel , Philippe Chomaz , Gilles De France

Quantum phase transition in dimerized antiferromagnetic Heisenberg spin chain has been studied. A staircase structure in the variation of concurrence within strongly coupled pairs with that of external magnetic field has been observed…

量子物理 · 物理学 2015-03-31 Aparajita Das , Sreeparna Bhadra , Sonali Saha

We evaluate the energy levels of the deuteronium bound system, which consists of a deuteron and an antideuteron, with a special emphasis on states with nonvanishing orbital angular momenta. The excited atomic bound states of deuteronium…

高能物理 - 唯象学 · 物理学 2025-12-18 G. S. Adkins , U. D. Jentschura

The field dependence of interlayer magnetoresistance of the pressurized (to the normal state) layered organic metal $\alpha $-(BEDT-TTF)$_{2}$KHg(SCN)$_{4}$ is investigated. The high quasi-two-dimensional anisotropy, when the interlayer…

介观与纳米尺度物理 · 物理学 2013-10-29 P. D. Grigoriev , M. V. Kartsovnik , W. Biberacher

The quark-hadron transition that happens in ultra-relativistic heavy-ion collisions is expected to be influenced by the effects of rotation and magnetic field, both present due to the geometry of a generic non-head-on impact. We augment the…

高能物理 - 唯象学 · 物理学 2023-10-12 Gaurav Mukherjee , D. Dutta , D. K. Mishra

Two-photon free-free transitions in elastic laser-assisted electron-hydrogen collisions are studied in the domain of high scattering energies and low or moderate field intensities, in the third order of perturbation theory, taking into…

原子物理 · 物理学 2013-03-07 Aurelia Cionga , Gabriela Buica

In their article [Phys.\ Rev.\ C {\bf 100}, 064610 (2019)], Lv, Duan, and Liu study the enhancement of deuterium-tritium fusion reactions by the electromagnetic field of an x-ray free-electron laser (XFEL). While we support the general idea…

核理论 · 物理学 2020-03-06 Friedemann Queisser , Ralf Schützhold

We perform a detailed analysis of high-order harmonic generation in diatomic molecules within the strong-field approximation, with emphasis on quantum-interference effects. Specifically, we investigate how the different types of electron…

原子物理 · 物理学 2011-11-10 C. Figueira de Morisson Faria

We describe phase-dependent wavelength scaling of high-order harmonic generation efficiency driven by ultra-short laser fields in the mid-infrared. We employ both numerical solution of the time-dependent Schr\"{o}dinger equation and the…

原子物理 · 物理学 2015-06-17 I. Yavuz , E. A. Bleda , Z. Altun , T. Topcu

A theoretical analysis using an impact-parameter description of the collisions of deuterons with nuclei is carried out in the high-energy diffraction approximation. It is used to obtain the intensities and integrated cross sections for…

核理论 · 物理学 2020-09-29 V. Franco , R. J. Glauber

Atomically thin layers of transition metal dichalcogenides (TMDCs) exhibit exceptionally strong Coulomb interaction between charge carriers due to the two-dimensional carrier confinement in connection with weak dielectric screening. The van…

材料科学 · 物理学 2018-07-18 A. Steinhoff , T. O. Wehling , M. Rösner

High-pressure torsion (HPT) can facilitate phase transformations in titanium dioxide (TiO2) and stabilize its high-pressure columbite phase, as an active photocatalyst, by shear straining under high pressure. This study aims to understand…

材料科学 · 物理学 2024-06-03 Jacqueline Hidalgo-Jimenez , Taner Akbay , Yuji Ikeda , Tatsumi Ishihara , Kaveh Edalati

An improved quantum trajectory Monte Carlo method involving the Stark shift of the initial state, Coulomb potential, and multielectron polarization-induced dipole potential is used to revisit the origin of the low-energy interference…

原子物理 · 物理学 2021-05-12 Weifeng Yang , Jie Li , Wenbin Jia , Hongdan Zhang , Xiwang Liu , Ming Zhu , Xiaohong Song , Jing Chen

We investigate the quantum interference induced shifts between energetically close states in highly charged ions, with the energy structure being observed by laser spectroscopy. In this work, we focus on hyperfine states of lithiumlike…

We studied magneto-optical resonances caused by excited-state level crossings in a nonzero magnetic field. Experimental measurements were performed on the transitions of the $D_2$ line of rubidium. These measured signals were described by a…

Hanbury-Brown-Twiss (HBT) correlations for charged pions in central Au+Au collisions at $\sqrt{s_\mathrm{NN}}=2.4 - 7.7~\text{GeV}$ (corresponding to beam kinetic energies in the fixed target frame from…

The nuclear deformation and neutron-transfer process have been identified as playing a major role in the magnitude of the sub-barrier fusion (capture) cross sections. There are a several experimental evidences which confirm the importance…

核理论 · 物理学 2015-06-18 V. V. Sargsyan , G. G. Adamian , N. V. Antonenko , W. Scheid , H. Q. Zhang

We study the creation of electron-positron pairs in the superposition of a nuclear Coulomb field and a two-color laser field of high intensity. Our focus lies on quantum interference effects, which may arise if the two laser frequencies are…

原子物理 · 物理学 2014-08-29 Sven Augustin , Carsten Müller

Doppler-free two-photon spectroscopy is a standard technique for precision measurement of transition frequencies of dipole-forbidden transitions. The accuracy of such measurements depends critically on fitting of the spectrum to an…

原子物理 · 物理学 2023-08-25 Bubai Rahaman , Sid C. Wright , Sourav Dutta