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We discuss the electronic transport through molecules in the Kondo regime. We concentrate here on the influence of molecular vibrations. Two types of vibrations are investigated: (i) the breathing internal molecular modes, where the…

Mesoscale and Nanoscale Physics · Physics 2009-12-21 J. Mravlje , A. Ramsak

Here we study a pumping device capable of maintaining a density gradient and a flux of particles across a membrane. Its driving mechanism is based on the flashing ratchet effect powered by the random telegraph process in the presence of…

Statistical Mechanics · Physics 2015-05-13 A. Gomez-Marin , J. M. Sancho

We describe an electron bunch injector scheme based on proton-driven plasma wakefield acceleration for the Electron-Ion Collider. The proton bunches needed to drive the plasma wake are taken from the existing Blue-Ring of RHIC. The…

Accelerator Physics · Physics 2026-05-11 J. P. Farmer , H. Jaworska , A. Caldwell , N. Lopes , A. Pukhov , L Reichwein , F. Willeke , M. Wing

A one-dimensional, dynamic, two-phase, isothermal model of proton exchange membrane fuel cell systems using a finite-difference approach has been developed. This model balances the simplicity of lumped-parameter models with the detailed…

Systems and Control · Electrical Eng. & Systems 2026-01-28 Raphaël Gass , Zhongliang Li , Rachid Outbib , Samir Jemei , Daniel Hissel

A real-space molecular-orbital description of Cooper pairing in conjunction with the dynamic Jahn-Teller mechanism for high-Tc superconductivity predicts that electron-doped water confined to the nanoscale environment of a carbon nanotube…

General Physics · Physics 2018-01-17 K. H. Johnson

The possibility of using single molecule junctions as electron pumps for energy conversion and storage is considered. It is argued that the small dimensions of these systems enable to make use of unique intra-molecular quantum coherences in…

Quantum Physics · Physics 2015-05-20 Roie Volkovich , Uri Peskin

Proton-driven plasma wakefield acceleration has been demonstrated in simulations to be capable of accelerating particles to the energy frontier in a single stage, but its potential is hindered by the fact that currently available proton…

In the presence of an active medium incorporated in a Penning trap, the moving electrons can become bunched, as they get enough energy, they escape the trap forming an optical injector. These bunched electrons can enter next PASER section…

Accelerator Physics · Physics 2016-01-20 Xiu-fang Tian , Cong-feng Wu , Qika Jia

Imidazole is a promising anhydrous proton conductor with a high conductivity comparable to that of water at a similar temperature relative to its melting point. Previous theoretical studies of the mechanism of proton transport in imidazole…

Compton scattering from the proton was investigated at s=6.9 (GeV/c)**2 and \t=-4.0 (GeV/c)**2 via polarization transfer from circularly polarized incident photons. The longitudinal and transverse components of the recoil proton…

Nuclear Experiment · Physics 2008-11-26 D. J. Hamilton , V. H. Mamyan , the Jefferson Lab Hall A Collaboration

This study explores nanoparticle-assisted electron injection as a method for controlling beam charge in laser wakefield acceleration through particle-in-cell simulations. We systematically investigate how the material (Li through Au) and…

Plasma-based acceleration schemes have attracted sustained interest as a pathway toward compact particle accelerators, owing to the large electric fields supported by plasmas. Although recent studies have demonstrated the excitation of…

Plasma Physics · Physics 2026-02-20 Jesús E. López , Eduardo A. Orozco-Ospino

A lithium-doped magnesium hydride Li$_2$MgH$_{16}$ was recently reported [Y. Sun $et$ $al$., Phys. Rev. Lett. {\bf 123}, 097001 (2019)] to exhibit the highest ever predicted superconducting transition temperature $T_{\rm c}$ under high…

Superconductivity · Physics 2020-11-25 Chongze Wang , Seho Yi , Jun-Hyung Cho

We study the low-temperature transport of a doped two-chain ladder system of interacting fermions in the presence of a barrier or of a low concentration of impurities. Above a certain value of the interaction, the conductance is suppressed,…

Strongly Correlated Electrons · Physics 2009-10-30 E. Arrigoni , B. Brendel , W. Hanke

Transport of water through ion-exchange membranes is of importance both for electrodialysis (ED) and reverse electrodialysis (RED). In this work, we extend our previous theory [J. Membrane Sci., 510, (2016) 370-381] and include water…

Chemical Physics · Physics 2019-12-24 M. Tedesco , H. V. M. Hamelers , P. M. Biesheuvel

Proton acceleration by high-intensity laser pulses from ultra-thin foils for hadron therapy is discussed. With the improvement of the laser intensity contrast ratio to 10-11 achieved on Hercules laser at the University of Michigan, it…

In this work we simulate the propagation of Ultra High Energy (UHE) protons in the magnetised intergalactic medium of Galaxy Clusters (GCs). Differently from previous works on the subject, we trace proton trajectories in configurations of…

Astrophysics · Physics 2009-11-10 C. Rordorf , D. Grasso , K. Dolag

We investigate the current-voltage (IV) characteristics of a model single-electron transistor where mechanical motion, subject to strong dissipation, of a small metallic grain is possible. The system is studied both by using Monte Carlo…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 T. Nord , L. Y. Gorelik , R. I. Shekhter , M. Jonson

We present a macrohomogeneous two-phase model of a proton exchange membrane fuel cell (PEMFC). The model takes into account the mechanical compression of the gas diffusion layer (GDL), the two-phase flow of water, the transport of the gas…

Protonic ceramic fuel cells can be operated at low temperatures, but their performances relying on bulk ion transfer in solid electrolytes are usually limited by much lower proton conductivity than 0.1 S/cm below 600 {\deg}C. Herein,…

Chemical Physics · Physics 2021-10-29 Wei Zhang , Siyuan Fang , Hanrui Su , Wei Hao , Bohak Yoon , Gyeong S. Hwang , Kai Sun , Chung-Fu Chen , Yu Zhu , Yun Hang Hu