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Related papers: The van der Waals Potential between Metastable Ato…

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Many fundamental processes of structural changes at surfaces occur on a pico- or femtosecond time scale. In order to study such ultra-fast processes, we have combined modern surface science techniques with fs-laser pulses in a pump-probe…

Mesoscale and Nanoscale Physics · Physics 2023-12-01 Michael Horn von Hoegen

The van der Waals interaction between two ground-state atoms is calculated for two electrically or magnetically polarizable particles embedded in a dispersive magneto-dielectric medium. Unlike previous calculations which infer the atom-atom…

Quantum Physics · Physics 2009-11-13 S. Spagnolo , D. A. R. Dalvit , P. W. Milonni

We report a post-growth aging mechanism of Bi$_2$Te$_3$(111) films with scanning tunneling microscopy in combination with density functional theory calculation. It is found that a monolayered structure with a squared lattice symmetry…

Materials Science · Physics 2017-04-05 Zhi-Wen Wang , Wen-Kai Huang , Kai-Wen Zhang , Da-Jun Shu , Mu Wang , Shao-Chun Li

Combining atomically-thin van der Waals materials into heterostructures provides a powerful path towards the creation of designer electronic devices. The interaction strength between neighboring layers, most easily controlled through their…

Mesoscale and Nanoscale Physics · Physics 2017-01-27 Matthew Yankowitz , K. Watanabe , T. Taniguchi , Pablo San-Jose , Brian J. LeRoy

Graphite is a cornerstone material for revolutionary technologies, from energy storage to the entire field of two-dimensional materials. Despite its foundational role, the predictive power required for engineering emergent optical behavior…

The method recently developed to include Van der Waals interactions in the Density Functional Theory by using the Maximally-Localized Wannier functions, is improved and extended to the case of atoms and fragments weakly bonded (physisorbed)…

Other Condensed Matter · Physics 2009-11-13 Pier Luigi Silvestrelli , Karima Benyahia , Sonja Grubisic Francesco Ancilotto , Flavio Toigo

We report a new technique to determine the van der Waals coeffcients of lithium (Li) atoms based on the relativistic coupled-cluster theory. These quantities are determined using the imaginary parts of the scalar dipole and quadrupole…

Atomic Physics · Physics 2009-11-13 L. W. Wansbeek , B. K. Sahoo , R. G. E. Timmermans , B. P. Das , D. Mukherjee

Experiments on surface melting of several organic materials have shown contradictory results. We study the Van der Waals interactions between interfaces in surface melting of the bulk CH_4 and interfacial melting of the CH_4 film on the MgO…

Materials Science · Physics 2009-10-31 N. Klipa , G. Bilalbegovic

We study the interaction between a neutral atom or molecule and a conductor-patched dielectric surface. We model this system by a perfectly reflecting disc lying atop of a non-dispersive dielectric half-space, both interacting with the…

Quantum Physics · Physics 2015-06-11 Claudia Eberlein , Robert Zietal

The Casimir-Polder and van der Waals interactions between an atom and a flat cavity wall are investigated under the influence of real conditions including the dynamic polarizability of the atom, actual conductivity of the wall material and…

Quantum Physics · Physics 2009-03-27 V. M. Mostepanenko , J. F. Babb , A. O. Caride , G. L. Klimchitskaya , S. I. Zanette

A tutorial overview is given on interactions between atoms and surfaces that are mediated by the electromagnetic field. The emphasis is on dispersion (or van der Waals) forces and transitions induced by thermal fluctuations in the near…

Atomic Physics · Physics 2007-05-23 Carsten Henkel

We study the effect of salts on the thickness of wetting films on melting ice and interactions acting on CO$_2$ bubble near ice-water and vapor-water interfaces. Governing mechanisms are the Lifshitz and the double-layer interactions in the…

Soft Condensed Matter · Physics 2016-08-03 P. Thiyam , E. R. A. Lima , O. I. Malyi , D. F. Parsons , S. Y. Buhmann , C. Persson , M. Boström

Chirality is probably the most mysterious among all symmetry transformations. Very readily broken in biological systems, it is practically absent in naturally occurring inorganic materials and is very challenging to create artificially.…

In this letter, we investigate the stable and commensurate van der Waals heterostructures of metallic and semiconducting $1H$ transition-metal dichalcogenides, NbS$_2$ and MoSe$_2$ (WSe$_2$), which possess almost the same lattice constant…

Mesoscale and Nanoscale Physics · Physics 2023-06-16 Tetsuro Habe

We investigate the temperature dependence of the Casimir-Polder interaction in the electrostatic limit. This unusual phenomenon relies on the coupling between a virtual atomic transition and a thermal excitation of surface polariton modes.…

We show that electrodynamic dipolar interactions, responsible for long-range fluctuations in matter, play a significant role in the stability of molecular crystals. Density functional theory calculations with van der Waals interactions…

The natural van der Waals heterostructure 4H$_b$-TaS$_2$ composed of alternating 1T- and 1H-TaS$_2$ layers serves as a platform for investigating the electronic correlations and layer-dependent properties of novel quantum materials. The…

Mesoscale and Nanoscale Physics · Physics 2025-10-07 R. Mathew Roy , X. Feng , M. Wenzel , V. Hasse , C. Shekhar , M. G. Vergniory , C. Felser , A. V. Pronin , M. Dressel

The exfoliation of layered magnetic materials generates atomically thin flakes characterized by an ultrahigh surface sensitivity, which makes their magnetic properties tunable via external stimuli, such as electrostatic gating and proximity…

The mounting interest in conducting thorough analyses and studies of long-range interactions stems from their wide-ranging applications in cold atomic physics, making it a compelling area for research. In this work, we have evaluated long…

Atomic Physics · Physics 2025-04-23 Harpreet Kaur , Jyoti , Neelam Shukla , Bindiya Arora

Electric-field-controlled F\"orster resonance energy transfer (FRET) between Rydberg helium (He) atoms and ground-state ammonia (NH$_3$) molecules has been studied at translational temperatures below 100 mK. The experiments were performed…

Atomic Physics · Physics 2022-11-21 J. Zou , S. D. Hogan
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