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Phase-modulated non-linear spectroscopy with higher harmonic demodulation has recently been suggested to provide information on many-body excitations. In the present work we theoretically investigate the application of this method to infer…

Quantum Physics · Physics 2017-05-29 Zeng-Zhao Li , Lukas Bruder , Frank Stienkemeier , Alexander Eisfeld

Dipole-dipole interaction between two two-level `atoms' in photonic crystal nanocavity is investigated based on finite-difference time domain algorithm. This method includes both real and virtual photon effects and can be applied for…

Quantum Physics · Physics 2011-12-30 Yong-Gang Huang , Gengyan Chen , Chong-Jun Jin , W. M. Liu , Xue-Hua Wang

Multiple Parton Interactions are the tool to obtain information on the correlations between partons in the hadron structure. Partons may be correlated in all degrees of freedom and all different correlation terms contribute to the cross…

High Energy Physics - Phenomenology · Physics 2015-03-17 Giorgio Calucci , Daniele Treleani

Cerium oxide (ceria, CeO2) is one of the most promising mixed ionic and electronic conducting materials. Previous atomistic analysis has covered widely the effects of substitution on oxygen vacancy migration. However, an in-depth analysis…

Materials Science · Physics 2021-02-12 Haiwu Zhang , Ivano E. Castelli , Simone Santucci , Simone Sanna , Nini Pryds , Vincenzo Esposito

Exciton-polaritons are mutually interacting quantum hybridizations of confined photons and electronic excitations. Here we demonstrate a system of optically guided, electrically polarized exciton-polaritons ('dipolaritons') that displays up…

Mesoscale and Nanoscale Physics · Physics 2018-04-18 Itamar Rosenberg , Dror Liran , Yotam Mazuz-Harpaz , Kenneth West , Loren Pfeiffer , Ronen Rapaport

We consider the effect of the long range dipole-dipole interaction on the excitation exchange dynamics of cold two-level atomic gase in the conditions where the size of the atomic cloud is large as compared to the wavelength of the dipole…

Quantum Physics · Physics 2015-05-13 A. Mandilara , V. M. Akulin , P. Pillet

Dipole-dipole interactions between helium atoms in Rydberg-Stark states with principal quantum number $n=53$ and approximately linear Stark energy shifts, resulting from induced electric dipole moments of approximately 7900 D, have been…

Atomic Physics · Physics 2015-07-14 V. Zhelyazkova , S. D. Hogan

We present the first experimental observation of cold collisions between two different species of neutral polar molecules, each prepared in a single internal quantum state. Combining for the first time the techniques of Stark deceleration,…

In this work, the Z-average, effective, apparent diffusion coefficients and their poly-dispersity indexes were investigated for dilute poly-disperse homogeneous spherical particles in dispersion where the Rayleigh-Gans-Debye approximation…

Chemical Physics · Physics 2007-05-23 Yong Sun

Chiroptical responses in atomic systems are usually weak, as they arise from the interference between electric- and much weaker magnetic-dipole transitions. We show that atoms arranged in chiral geometries can instead exhibit a strong…

Atomic Physics · Physics 2026-02-18 Marcella L. Xavier , Felipe A. Pinheiro , Romain Bachelard

Collective diffusion coefficient in a one dimensional lattice gas adsorbate is calculated using variational approach. Particles interact via either a long-range, or a long range electron-gas-mediated (for a metallic substrate), or a…

Materials Science · Physics 2009-05-26 Filip Krzyżewski , Magdalena A. Załuska-Kotur

The interdiffusion of six major elements (Si, Ti, Fe, Mg, Ca, K) between natural shoshonite and a high-K calc-alkaline rhyolite (Vulcano island, Aeolian archipelago, Italy) has been experimentally measured by the diffusion couple technique…

We report the measurement of collision rate coefficient for collisions between ultracold Cs atoms and low energy Cs+ ions. The experiments are performed in a hybrid trap consisting of a magneto-optical trap (MOT) for Cs atoms and a Paul…

Atomic Physics · Physics 2020-08-20 Sourav Dutta , S. A. Rangwala

Many interstellar complex organic molecules (COMs) are believed to be produced on the surfaces of icy grains at low temperatures. Atomic carbon is considered responsible for the skeletal evolution processes, such as C-C bond formation, via…

Astrophysics of Galaxies · Physics 2023-09-15 Masashi Tsuge , Germán Molpeceres , Yuri Aikawa , Naoki Watanabe

We report pressure broadening coefficients for the 21 electric-dipole transitions between the eight lowest rotational levels of ortho-H$_2$O and para-H$_2$O molecules by collisions with He at temperatures from 20 to 120 K. These…

Chemical Physics · Physics 2016-06-07 M. I. Hernández , J. M. Fernández , G. Tejeda , E. Moreno , S. Montero

Particle tracking and displacement covariance matrix techniques are employed to investigate the phonon dispersion relations of two-dimensional colloidal glasses composed of soft, thermoresponsive microgel particles whose…

Soft Condensed Matter · Physics 2015-06-16 Tim Still , Carl P. Goodrich , Ke Chen , Peter J. Yunker , Samuel Schoenholz , Andrea J. Liu , A. G. Yodh

We present a valence calculation of the electric polarizability of the neutron, neutral pion, and neutral kaon on two dynamically generated nHYP-clover ensembles. The pion masses for these ensembles are 227(2) MeV and 306(1) MeV, which are…

High Energy Physics - Lattice · Physics 2014-04-18 Michael Lujan , Andrei Alexandru , Walter Freeman , Frank Lee

We present a theoretical study of dielectrophoretic (DEP) crossover spectrum of two polarizable particles under the action of a nonuniform AC electric field. For two approaching particles, the mutual polarization interaction yields a change…

Chemical Physics · Physics 2007-05-23 J. P. Huang , Mikko Karttunen , K. W. Yu , L. Dong

Analysis of solar magnetic fields using observations as well as theoretical interpretations of the scattering polarization is commonly designated as a high priority area of the solar research. The interpretation of the observed polarization…

Solar and Stellar Astrophysics · Physics 2017-04-26 M. Derouich , H. Basurah , B. Badruddin

Three earlier relativistic coupled-cluster (RCC) calculations of dipole polarizability ($\alpha_d$) of the Cd atom are not in good agreement with the available experimental value of $49.65(1.65) \ e a_0^3$. Among these two are finite-field…

Atomic Physics · Physics 2018-08-15 B. K. Sahoo , Yan-mei Yu