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For the first time, an experimental determination of the single-particle mean kinetic energies for 3He along the T=2.00 K isotherm in the dense liquid and in the solid hcp and bcc phases is reported. Deep Inelastic Neutron Scattering…

Condensed Matter · Physics 2009-11-07 R. Senesi , C. Andreani , D. Colognesi , A. Cunsolo , M. Nardone

Changes in the medium of biological cell nucleus under ion beam action is considered as a possible cause of cell functioning disruption in the living body. As the most long-lived molecular product appeared in the cell after the passage of…

Biological Physics · Physics 2015-06-12 D. V. Piatnytskyi , O. O. Zdorevskyi , S. M. Perepelytsya , S. N. Volkov

The heaviest N=Z doubly-magic nucleus, $^{100}$Sn, and the neighboring nuclei offer unique opportunities to investigate the properties of nuclear interaction in extreme conditions. In particular, the Cd isotopes are expected to present…

The advent of ultrashort soft x-ray pulse sources permits the use of established gas phase spectroscopy methods to investigate ultrafast photochemistry in isolated molecules with element and site specificity. In the present study, we…

Chemical Physics · Physics 2019-11-26 Ludger Inhester , Zheng Li , Xiaolei Zhu , Nikita Medvedev , Thomas J. A. Wolf

We study the two-photon scattering processes in a one-dimensional waveguide coupled to a two- or three-level giant atom, respectively. The accumulated phase shift between the two coupling points can be utilized to alter the scattering…

Quantum Physics · Physics 2023-11-30 Wenju Gu , He Huang , Zhen Yi , Lei Chen , Lihui Sun , Huatang Tan

We investigate theoretically charge migration following prompt double ionization of a polyatomic molecule (C$_2$H$_4$BrI) and find that for double ionization, correlation-driven charge migration appears to be particularly prominent, i.e.,…

Chemical Physics · Physics 2016-05-24 Maximilian Hollstein , Robin Santra , Daniela Pfannkuche

We present a molecular dynamics study of the effects of carbon- and iron-ion induced shock waves in DNA duplexes in liquid water. We use the CHARMM force field implemented within the MBN Explorer simulation package to optimize and…

Biological Physics · Physics 2016-10-21 Pablo de Vera , Nigel J. Mason , Fred. J. Currell , Andrey V. Solov'yov

The shape and absolute values of the generalized cross-sections of the two-photon resonant single ionization of the K-shell of ions of the isonuclear sequence of a heavy nickel atom (28Ni - Ni26+ - Ni24+ - Ni18+) have been theoretically…

Atomic Physics · Physics 2025-06-24 Alexey N. Hopersky , Alexey M. Nadolinsky , Sergey A. Novikov , Rustam V. Koneev

Nonlocal light-matter interactions with giant atoms in high-dimensional environments are not only fundamentally intriguing for testing quantum electrodynamics beyond the dipole approximation but also crucial for building high-dimensional…

Quantum Physics · Physics 2026-01-22 Qing-Yang Qiu , Wen Huang , Lei Du , Xin-You Lü

Multiple electron processes occur widely in atoms, molecules, clusters, and condensed matters when they are interacting with energetic particles or intense laser fields. In this work, a unified and accurate theoretical formalism is proposed…

Atomic Physics · Physics 2018-04-18 Pengfei Liu , Jiaolong Zeng , Jianmin Yuan

We show that two-particle interferences can be used to probe the nuclear motion in a doubly-excited hydrogen molecule. The dissociation of molecular hydrogen by electron impact involves several decay channels, associated to different…

The fragmentation of molecular cations following inner-shell decay processes in molecules containing heavy elements underpins the x-ray damage effects observed in x-ray scattering measurements of biological and chemical materials, as well…

Chemical Physics · Physics 2024-06-17 Adam E. A. Fouda , Stephen H. Southworth , Phay J. Ho

We use molecular dynamics simulations in two dimensions to investigate the possibility that a core-softened potential can reproduce static and dynamic anomalies found experimentally in liquid water: (i) the increase in specific volume upon…

Soft Condensed Matter · Physics 2009-10-31 A. Scala , M. Reza Sadr-Lahijany , N. Giovambattista , S. V. Buldyrev , H. E. Stanley

Ultracold collisions of the polyatomic species CaOH are considered, in internal states where the collisions should be dominated by long-range dipole-dipole interactions. The computed rate constants suggest that evaporative cooling can be…

Chemical Physics · Physics 2019-06-25 Lucie D. Augustovičová , John L. Bohn

By simulating the real-time multielectron wavefunction with the multi-configurational time-dependent Hartree-Fock (MCTDHF) approach, we conduct an \textit{ab initio} study of the single-photon ionization process of a body-fixed water…

Atomic Physics · Physics 2026-01-14 Zhao-Han Zhang , Yang Li , Himadri Pathak , Takeshi Sato , Kenichi L. Ishikawa , Feng He

The highly energetic outflows from Active Galactic Nuclei detected in X-rays are one of the most powerful mechanisms by which the central supermassive black hole (SMBH) interacts with the host galaxy. The last two decades of high resolution…

The temporal dynamics of double ionization of H2 has been investigated both experimentally and theoretically with few-cycle laser pulses. The main observables are the proton spectra associated to the H^+ + H^+ fragmentation channel. The…

Quantum Physics · Physics 2008-09-23 Sébastien Saugout , Eric Charron , Christian Cornaggia

Recent experiments on liquid water show collective dipole orientation fluctuations dramatically slower then expected (with relaxation time $>$ 50 ns) [D. P. Shelton, Phys. Rev. B {\bf 72}, 020201(R) (2005)]. Molecular dynamics simulations…

Soft Condensed Matter · Physics 2009-11-11 Pradeep Kumar , Giancarlo Franzese , Sergey V. Buldyrev , H. Eugene Stanley

The electronic and nuclear dynamics in methanol, following 156~nm photoexcitation, are investigated by combining a detailed analysis of time-resolved photoelectron spectroscopy experiments with electronic structure calculations. The…

We investigate the depletion of single-electron states in small molecules under the influence of very short XUV pulses. In N$_2$, for a certain window of XUV energies around 50 eV, we observe a marked occupation inversion, i.e. a situation…

Atomic and Molecular Clusters · Physics 2023-03-01 Paul-Gerhard Reinhard , Daniel Dundas , Phuong Mai Dinh , Marc Vincendon , Eric Suraud
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