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A setup for studying the influence of external electric fields on dynamic surface processes is described. Spatially-extended homogeneous electric fields are realized by applying a DC voltage in between a planar electrode and a metallic…

仪器与探测器 · 物理学 2013-11-22 W. Steurer , S. Surnev , F. Hanauer , K. Ansperger , F. P. Netzer

We explore the potential of precision spectroscopy of heavy exotic atoms where electrons are substituted by negative hadrons to detect new force carriers with hadronic couplings. The selected transitions are unaffected by nuclear contact…

高能物理 - 唯象学 · 物理学 2025-10-07 Hongkai Liu , Ben Ohayon , Omer Shtaif , Yotam Soreq

On the basis of a previous theoretical approach to the plastic flow of highly refined materials, a physical explanation for diffusion bonding is essayed, which yields closed--form equations relating the bonding progress with time,…

材料科学 · 物理学 2010-07-02 Miguel Lagos , César Retamal

We investigate the scattering of neutral polarizable atoms from an electrically charged wire placed in a homogeneous magnetic field. The atoms carry an induced electric dipole. The reflecting wire is discussed. We calculate the scattering…

量子物理 · 物理学 2009-10-31 Juergen Audretsch , Vladimir Skarzhinsky

In the context of Born-Infeld electrodynamics, the electromagnetic fields interact with each other via their non-linear couplings. A calculation will be performed where an incoming electromagnetic plane wave scatters off a Coulomb Field in…

高能物理 - 理论 · 物理学 2011-02-21 Daniel Tennant

We investigate the behaviour of electric fields originating from adsorbates deposited on a cryogenic atom chip as it is cooled from room temperature to cryogenic temperature. Using Rydberg electromagnetically induced transparency we measure…

原子物理 · 物理学 2014-01-17 K. S. Chan , M. Siercke , C. Hufnagel , R. Dumke

In this letter we demonstrate universal symmetry breaking by means of magnetically induced circular dichroism. Magnetic field induces forbidden at zero field atomic transitions between $\Delta F = \pm2$ hyperfine levels. In a particular…

原子物理 · 物理学 2017-08-31 A. Tonoyan , A. Sargsyan , E. Klinger , G. Hakhumyan , C. Leroy , M. Auzinsh , A. Papoyan , D. Sarkisyan

Long-range ion induced water-water correlations were recently observed in femtosecond elastic second harmonic scattering experiments of electrolyte solutions. To further the qualitative understanding of these correlations, we derive an…

统计力学 · 物理学 2017-09-06 David M. Wilkins , David E. Manolopoulos , Sylvie Roke , Michele Ceriotti

We study the effect of a strong static homogeneous electric field on the highly excited rovibrational levels of the LiCs dimer in its electronic ground state. Our full rovibrational investigation of the system includes the interaction with…

原子物理 · 物理学 2015-05-13 Rosario Gonzalez-Ferez , Peter Schmelcher

In atom probe tomography (APT), atoms from the surface of a needle shape specimen are evaporated under a high electric field and analyzed via time of flight mass spectrometry and position sensitive detection. 3D reconstruction of the atom…

材料科学 · 物理学 2023-11-28 Jiayuwen Qi , Fei Xue , Emmanuelle Marquis , Wolfgang Windl

We develop an analytical theory to explain the experimentally-observed morphological transitions of giant vesicles induced by AC electric fields (1). The model treats the inner and suspending media as lossy dielectrics, while the membrane…

生物物理 · 物理学 2015-05-13 Petia Vlahovska , Ruben Serral Gracia , Said Aranda , Rumiana Dimova

We propose that several mechanisms contribute to friction in a polymer melt adsorbed at a structured surface. The first one is the well known disentanglement of bulk polymer chains from the surface layer. However, if the surface is ideal at…

软凝聚态物质 · 物理学 2007-05-23 X. Zhou , D. Andrienko , L. Delle Site , K. Kremer

We study the electromagnetic scattering by multilayered biperiodic aggregates of dielectric layers and gratings of conducting plates. We show that the characteristic lengths of such structures provide a good control of absorption bands. The…

光学 · 物理学 2008-02-03 G. Berginc , C. Bourrely , C. Ordenovic , B. Torresani

Large parallel ($\leq$ 100 mV/m) and perpendicular ($\leq$ 600 mV/m) electric fields were measured in the Earth's bow shock by the vector electric field experiment on the Polar satellite. These are the first reported direct measurements of…

空间物理 · 物理学 2009-11-13 S. D. Bale , F. S. Mozer

Two collective properties distinguishing the thin liquid water vapour interface from the bulk liquid are the anisotropy of the pressure tensor giving rise to surface tension and the orientational alignment of the molecules leading to a…

软凝聚态物质 · 物理学 2020-02-03 Chao Zhang , Michiel Sprik

The structure and thermodynamic state of a system changes under the influence of external electric fields. Neutral systems are characterized by their dielectric constant epsilon, while charged ones also by their charge distribution. In this…

软凝聚态物质 · 物理学 2009-12-10 Yoav Tsori

Molecular hydrogen normally has only weak, quadrupole transitions between its rovibrational states, but in a static electric field it acquires a dipole moment and a set of allowed transitions. Here we use published ab initio calculations of…

星系天体物理 · 物理学 2022-06-09 Mark A. Walker

We study the behavior of ambient temperature water under the combined effects of nanoscale confinement and applied electric field. Using molecular simulations we analyze the thermodynamic causes of field-induced expansion at some, and…

软凝聚态物质 · 物理学 2019-03-27 Dusan Bratko , Christopher D. Daub , Alenka Luzar

We demonstrate that a non-vanishing interaction force exists between pairs of induced dipoles in random, statistically stationary electromagnetic field. This new type of optical binding force leads to long-range interaction between dipolar…

光学 · 物理学 2015-06-15 Sergey Sukhov , Kyle M. Douglass , Aristide Dogariu

The response of matter to fields underlies the physical sciences, from particle physics to astrophysics, and from chemistry to biophysics. We observe an atom's response to an electric quadrupole field to second- and higher orders; this…

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