English
Related papers

Related papers: pH-jumps in a Protic Ionic Liquid Proceed by Vehic…

200 papers

A stochastic theory is developed to predict the spectral signature of proton-transfer processes and applied to infrared spectra computed from ab initio molecular-dynamics simulations of a single H$_5$O$_2{}^{+}$ cation. By constraining the…

Chemical Physics · Physics 2022-11-23 Florian N. Brünig , Paul Hillmann , Won Kyu Kim , Jan O. Daldrop , Roland R. Netz

The observed large elliptic flow ($v_2$) of direct photons in relativistic heavy ion collisions challenges us to explain. In this paper we consider only two sources of direct photons, prompt photons and thermal photons. Prompt photons are…

Nuclear Theory · Physics 2024-04-03 Fu-Ming Liu , Sheng-Xu Liu , Klaus Werner

We present an ab initio molecular dynamics (MD) investigation of the tautomeric equilibrium for aqueous solutions of glycine and acetone at realistic experimental conditions. Metadynamics is used to accelerate proton migration among…

Soft Condensed Matter · Physics 2020-12-29 Emanuele Grifoni , GiovanniMaria Piccini , Michele Parrinello

In this work, we investigate the collective flow development in high energy proton proton (pp) collisions with a multiphase transport model (AMPT) based on PYTHIA8 initial conditions with a sub-nucleon structure. It is found that the…

Nuclear Theory · Physics 2024-10-15 Liang Zheng , Lian Liu , Zi-Wei Lin , Qi-Ye Shou , Zhong-Bao Yin

The direct photon spectra and flow ($v_2$, $v_3$) in heavy-ion collisions at SPS, RHIC and LHC energies are investigated within a relativistic transport approach incorporating both hadronic and partonic phases -- the Parton-Hadron-String…

Nuclear Theory · Physics 2015-12-02 O. Linnyk , V. Konchakovski , T. Steinert , W. Cassing , E. L. Bratkovskaya

Native electrospray ionization/ion mobility-mass spectrometry (ESI/IM-MS) allows an accurate determination of low-resolution structural features of proteins. Yet, the presence of proton dynamics, observed already by us for DNA in the gas…

The Diffuse Ionised Gas (DIG) in galaxies traces photoionisation feedback from massive stars. Through three dimensional photoionisation simulations, we study the propagation of ionising photons, photoionisation heating and the resulting…

Astrophysics of Galaxies · Physics 2015-06-19 J. E. Barnes , Kenneth Wood , Alex S. Hill , L. M. Haffner

Water's ability to autoionize into hydroxide and hydronium ions profoundly influences surface properties, rendering interfaces either basic or acidic. While it is well-established that protons show an affinity to the air-water interface, a…

Chemical Physics · Physics 2025-02-05 Xavier R. Advincula , Kara D. Fong , Angelos Michaelides , Christoph Schran

Collective flow as a consequence of hydrodynamical evolution in heavy ion collisions is intensively studied by theorists and experimentalists to understand the behavior of hot quark matter. Due to their large mass, heavy ions suffer…

High Energy Physics - Phenomenology · Physics 2010-05-26 Tanguy Pierog , Sarah Porteboeuf , Iurii Karpenko , Klaus Werner

Metal halide perovskites (MHPs) are nowadays one of the most studied semiconductors due to their exceptional performance as active layers in solar cells. Although MHPs are excellent solid-state semiconductors, they are also ionic compounds,…

Ultrafine particle behavior in electro-hydrodynamic (EHD) flow induced by corona discharge is studied experimentally and numerically. The EHD flow serves as a primary particle aspiration/sampling mechanism, the collector does not require…

Fluid Dynamics · Physics 2020-05-26 Ravi Sankar Vaddi , Yifei Guan , Igor Novosselov

Organic-inorganic hybrid perovskites (OIHPs) exhibiting exceptional photovoltaic and optoelectronic properties are of fundamental and practical interest, owing to their tunability and low manufacturing cost. For practical applications,…

Ionic conduction in solids that exceeds 1 mS/cm is predicted to involve coupled phonon-ion interactions in the crystal lattice. Here, we use theory and experiment to measure the possible contribution of coupled phonon-ion hopping modes…

How can we gain a detailed insight into the hydrodynamic response of the system created in heavy ion collisions to the fluctuating initial geometry and viscous effects? Do we create a strongly interacting medium in proton-nucleus and…

Nuclear Experiment · Physics 2021-05-18 Georgios Konstantinos Krintiras

We have measured the proton elliptic flow excitation function for the Au + Au system spanning the beam energy range 2 -- 8 AGeV. The excitation function shows a transition from negative to positive elliptic flow at a beam energy, $E_{tr}…

Nuclear Experiment · Physics 2008-11-26 E895 collaboration , C. Pinkenburg

The proton elliptic flow in collisions of Ca on Ca at energies from 30 to 100 MeV/nucleon is studied in an isospin-dependent transport model. With increasing incident energy, the elliptic flow shows a transition from positive to negative…

Nuclear Theory · Physics 2009-10-31 Yu-Ming Zheng , C. M. Ko , Bao-An Li , Bin Zhang

Photons are a penetrating probe of the hot medium formed in heavy-ion collisions, but they are emitted from all collision stages. At photon energies below 2-3 GeV, the measured photon spectra are approximately exponential and can be…

Nuclear Theory · Physics 2014-05-02 Chun Shen , Ulrich W. Heinz , Jean-Francois Paquet , Charles Gale

Hydroxide ion transport in anion-exchange membranes fundamentally limits the efficiency of alkaline water electrolysis for green hydrogen production, yet the atomic-scale transport mechanisms remain poorly understood due to the…

In condensed matter, scattering processes determine the transport of charge carriers. In case of heterostructures, interfaces determine many dynamic properties like charge transfer and transport and spin current dynamics. Here we discuss…

We investigate the properties of the QCD matter across the deconfinement phase transition. In the scope of the parton-hadron string dynamics (PHSD) transport approach, we study the strongly interacting matter in equilibrium as well as the…

Nuclear Theory · Physics 2015-06-17 O. Linnyk , E. L. Bratkovskaya , W. Cassing , V. P. Konchakovski , V. Ozvenchuk