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Magnetic inelastic electron tunneling spectroscopy (IETS) shows sharp increases in conductance when a new conductance channel associated to a change in magnetic structure is open. Typically, the magnetic moment carried by an adsorbate can…

Mesoscale and Nanoscale Physics · Physics 2012-06-19 Richard Korytár , Nicolás Lorente , Jean-Pierre Gauyacq

The catalytic performance of multimetallic electrodes is often attributed to a beneficial combination of ligand, strain, and ensemble effects. Understanding the influence of the electrochemical environment on the stability of the alloy…

Chemical Physics · Physics 2021-12-08 Stephen E. Weitzner , Ismaila Dabo

Non-radiating protons in the radio lobes have an essential role to form the jet morphology which is shown by recent radio and X-ray observations. However, since protons and electrons are not always in energy equilibrium due to weak Coulomb…

High Energy Astrophysical Phenomena · Physics 2023-10-04 Takumi Ohmura , Mami Machida

Low temperature scanning tunneling microscope images and spectroscopic data have been obtained on subnanometer size Pb clusters fabricated using the technique of buffer layer assisted growth. Discrete energy levels were resolved in…

Other Condensed Matter · Physics 2009-11-11 L. L. A. Adams , B. W. Lang , A. M. Goldman

We present transport and specific heat measurements on high quality single crystals of UPt$_3$ before and after irradiation by high energy electrons. We observe a strong dependence of the critical temperature with the sample thickness. The…

Superconductivity · Physics 2016-08-31 P. Rodiere , J. P. Brison , A. D. Huxley , F. Rullier Albenque , J. Flouquet

An ultra-strong photovoltaic effect has recently been reported for electrons trapped on a liquid Helium surface under a microwave excitation tuned at intersubband resonance [D. Konstantinov et. al. : J. Phys. Soc. Jpn. 81, 093601 (2012) ].…

Mesoscale and Nanoscale Physics · Physics 2013-07-24 F. Closa , E. Raphael , A. D. Chepelianskii

The electronic structure of nanowires in contact with metallic electrodes of experimentally relevant sizes is calculated by incorporating the electrostatic polarization potential into the atomistic single particle Schr\"odinger equation. We…

Materials Science · Physics 2015-05-13 Denis O. Demchenko , Lin-Wang Wang

We demonstrate the possiblity to cool nanoelectronic systems in nonequilibrium situations by increasing the temperature of the environment. Such cooling by heating is possible for a variety of experimental conditions where the relevant…

Mesoscale and Nanoscale Physics · Physics 2018-08-15 R. Härtle , C. Schinabeck , M. Kulkarni , D. Gelbwaser-Klimovsky , M. Thoss , U. Peskin

We report temporal measurements of the electronic temperature and the electron-phonon thermal relaxation rate in a micron-scale metal island, with a heat capacity of order 1 fJ/K . We employed a superconductor-insulator-normal metal tunnel…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 D. R. Schmidt , C. S. Yung , A. N. Cleland

The problems of the intermediate-range atomic structure of glasses and of the mechanism for the glass transition are approached from the low-temperature end in terms of a scenario for the atomic organization that justifies the use of an…

Mesoscale and Nanoscale Physics · Physics 2017-05-30 Giancarlo Jug

The paper presents an adaptive over-relaxation method for calculating the electric potential and field intensity, for a complex tunnel transistor structure involving a split gate and a shielding boundary. The accuracy and speed of the…

Mathematical Physics · Physics 2009-12-16 Sever Spanulescu

A phenomenological theory of electric double layer polarization of blocking electrode is presented solving modified Debye-Falkenhagen (MDF) equation for potential, under the impedance boundary condition. The dynamic impedance and…

Materials Science · Physics 2011-03-04 Maibam Birla Singh , Rama Kant

Thermal electronic excitations in metal crystals are calculated by starting with a reference structure for the nuclei: the crystal structure of the appropriate phase. Here we explain the corresponding theory for metal liquids, starting with…

Materials Science · Physics 2013-07-03 Eric D. Chisolm , Nicolas Bock , Sven P. Rudin , Duane C. Wallace

We study the temperature dependence of optical properties of dilute gases of alkali-metal atoms in the state with Bose-Einstein condensates. The description is constructed in the framework of the microscopic approach that is based on the…

Quantum Gases · Physics 2009-11-18 Yurii Slyusarenko , Andrii Sotnikov

Heat production and dissipation induced by current flow in nanostructures is of primary importance to understand the stability of these systems. These effects have contributions from both electron-phonon and electron-electron interactions.…

Strongly Correlated Electrons · Physics 2009-11-13 Roberto D'Agosta , Massimiliano Di Ventra

We study electron localization in disordered quantum systems, focusing on both individual eigenstates and thermal states. We employ complex polarization as a numerical indicator to characterize the system's localization length. Furthermore,…

Disordered Systems and Neural Networks · Physics 2024-04-30 Chong Sun

Temperature and kinematic line broadening are the primary contributions to the width of the proton energy spectrum measured in cluster-impact fusion experiments. By ascertaining these two contributions, we have determined an effective…

Nuclear Theory · Physics 2009-11-10 Y. E. Kim , J. -H. Yoon , R. A. Rice , M. Rabinowitz

The quantum Hall effect is studied numerically in modulated two-dimensional electron systems in the presence of disorder. Based on the scaling property of the Hall conductivity as well as the localization length, the critical energies where…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Mikito Koshino , Tsuneya Ando

We report new accurate mesasurements of the mobility of excess electrons in high density Helium gas in extended ranges of temperature $[(26\leq T\leq 77) K ]$ and density $[ (0.05\leq N\leq 12.0) {atoms} \cdot {nm}^{-3}]$ to ascertain the…

Plasma Physics · Physics 2016-09-08 A. F. Borghesani , M. Santini

We explore the thermoelectric properties of gold atomic chains bridging gold electrodes by means of \textit{ab initio} and semi-empirical calculations, and heuristic reasoning. We predict the thermoelectric voltage induced by a temperature…

Mesoscale and Nanoscale Physics · Physics 2018-09-28 Alireza Saffarzadeh , Firuz Demir , George Kirczenow
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