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Possible interactions of dark matter (DM) with Standard Model (SM) particles can be tested with spectral distortions (SDs) of the cosmic microwave background (CMB). In particular, a non-relativistic DM particle that scatters elastically…

Cosmology and Nongalactic Astrophysics · Physics 2021-03-03 Yacine Ali-Haïmoud

The purpose of this paper is to develop an alternative theory of deuteron stripping to resonance states based on the surface integral formalism of Kadyrov et al. [Ann. Phys. 324, 1516 (2009)] and continuum-discretized coupled channels…

Nuclear Theory · Physics 2015-06-22 A. M. Mukhamedzhanov , D. Y. Pang , C. A. Bertulani , A. S. Kadyrov

The first principles density functional theory (DFT) is applied to study effects of molecular adsorption on optical losses of silver (111) surface. The ground states of the systems including water, methanol, and ethanol molecules adsorbed…

Materials Science · Physics 2015-05-14 Alexander V. Gavrilenko , Carla S. McKinney , Vladimir I. Gavrilenko

Here we show scanning tunnelling microscopy (STM), non-contact atomic force microscopy (AFM) and inelastic electron tunnelling spectroscopy (IETS) measurements on organic molecule with a CO- terminated tip at 5K. The high-resolution…

We have investigated the magnetic Co atoms self-assembled on the ultraflat stanene on Cu(111) substrate by utilizing scanning tunneling microscopy/spectroscopy (STM/STS) in conjunction with density functional theory (DFT). By means of…

Materials Science · Physics 2022-02-03 Nitin Kumar , Ye-Shun Lan , Chia-Ju Chen , Yen-Hui Lin , Shih-Tang Huang , Horng-Tay Jeng , Pin-Jui Hsu

The optical responses of structured array of noble-metal nanoparticle dimers immersed in a glass matrix are investigated theoretically, motivated by the recent experimental observation of the splitting of the surface plasmon bands in silver…

Optics · Physics 2007-05-23 J. J. Xiao , J. P. Huang , K. W. Yu

The surface tunneling microscope (STM) method probes the itinerant conduction electron spectrum which is influenced by the presence of collective order parameters. It may in fact be used as a tool to obtain important information about their…

Strongly Correlated Electrons · Physics 2025-06-23 Alireza Akbari , Peter Thalmeier

We discuss a theoretical description of the inelastic electron tunneling spectra (IETS) of a magnetic nanosystem (an atom or a molecule) adsorbed on a solid surface measured in a scanning tunneling microscope (STM). We represent the…

Mesoscale and Nanoscale Physics · Physics 2026-01-21 Daria Kyvala , Jindrich Kolorenc

Using an ab initio density functional theory (DFT) based electronic structure method, we study the effects of adatoms on the electronic properties of monolayer transition metal dichalcogenide (TMD) Molybdenum-disulfide (MoS2). We consider…

Mesoscale and Nanoscale Physics · Physics 2014-04-08 Jiwon Chang , Stefano Larentis , Emanuel Tutuc , Leonard F. Register , Sanjay K. Banerjee

Electrostatic forces are among the most common interactions in nature and omnipresent at the nanoscale. Scanning probe methods represent a formidable approach to study these interactions locally. The lateral resolution of such images is,…

Mesoscale and Nanoscale Physics · Physics 2023-12-22 Christian Wagner , F. Stefan Tautz

This paper seeks to synthesize much recent work on the HTSC materials around the latest energy resolved scanning tunnelling microscopy (STM) results from Davis and coworkers. The conductance diffuse scattering results in particular are…

Superconductivity · Physics 2007-05-23 John A Wilson

Spin-polarized transport through bistable magnetic adatoms or single-molecule magnets (SMMs), which exhibit both uniaxial and transverse magnetic anisotropy, is considered theoretically. The main focus is on the impact of transverse…

Mesoscale and Nanoscale Physics · Physics 2014-07-22 Maciej Misiorny , Józef Barnaś

Surface energy is fundamental in controlling surface properties and surface-driven processes like heterogeneous catalysis, as adsorption energy is. It is thus crucial to establish an effective scheme to determine surface energy and its…

Materials Science · Physics 2020-09-22 Bo Li , Xin Li , Wang Gao , Qing Jiang

We investigate theoretically the effects of interaction between an optical dipole (semiconductor quantum dot or molecule) and metal nanoparticles. The calculated absorption spectra of hybrid structures demonstrate strong effects of…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Jie-Yun Yan , Wei Zhang , Suqing Duan , Xian-Geng Zhao , Alexander O. Govorov

In this work, we have studied theoretically the effects of gold adsorption on the Al(001) surface, using {\it ab initio} pseudo-potential method in the framework of the density functional theory. Having found the hollow sites at the Al(001)…

Materials Science · Physics 2009-11-13 N. Zare Dehnavi , M. Payami

Aharonov-Bohm (AB) effect, the well-known archetype of electron-wave interference phenomena, has been explored extensively through transport measurements. However, these techniques lack spatial resolution that would be indispensable for…

Mesoscale and Nanoscale Physics · Physics 2021-02-02 Yi-Wen Liu , Ya-Ning Ren , Chen-Yue Hao , Lin He

As a model system of the adsorption process of anti-corrosion additives on a metal surface, molecular dynamics simulations of benzotriazole (BTA) molecules with copper slabs were completed. As a force field, ReaxFF was used to simulate both…

Chemical Physics · Physics 2023-08-08 Kohei Nishikawa , Hirotoshi Akiyama , Kazuhiro Yagishita , Hitoshi Washizu

A microscopic theory of the transport in a scanning tunnelling microscope (STM) set-up is introduced for \pi-conjugated molecules on insulating films, based on the density matrix formalism. A key role is played in the theory by the energy…

Mesoscale and Nanoscale Physics · Physics 2012-05-23 Sandra Sobczyk , Andrea Donarini , Milena Grifoni

The ability of metal adsorption to transfer charge to the surface of single molecular carbon sheets is explored in this paper. Though other metals are considered we basically will deal with Lithium We concentrate on fairly small sheets and…

Materials Science · Physics 2008-01-14 Abraham F. Jalbout , Thomas H. Seligman

Recently the CDMS collaboration has reported an excess of events in the signal region of a search for dark matter scattering with Silicon nuclei. Three events on an expected background of 0.4 have a significance of about 2 sigma, and it is…

High Energy Physics - Phenomenology · Physics 2014-07-30 Randel C. Cotta , Arvind Rajaraman , Tim M. P. Tait , Alexander M. Wijangco