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Related papers: Polarization effects on intermolecular vibrational…

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A general theory of electronic excitations in aggregates of molecules coupled to intramolecular vibrations and the harmonic environment is developed for simulation of the third-order nonlinear spectroscopy signals. The model is applied in…

Chemical Physics · Physics 2014-01-17 Vytautas Butkus , Leonas Valkunas , Darius Abramavicius

This article investigates the full Boltzmann equation up to second order in the cosmological perturbations. Describing the distribution of polarized radiation by a tensor valued distribution function, we study the gauge dependence of the…

General Relativity and Quantum Cosmology · Physics 2018-06-28 Cyril Pitrou

We numerically study the effect of inter-particle friction coefficient on the response to cyclical pure shear of spherical particles in three dimensions. We focus on the rotations and translations of grains and look at the spatial…

Soft Condensed Matter · Physics 2021-07-14 Zackery Benson , Anton Peshkov , Derek C. Richardson , Wolfgang Losert

Effects of coupling between an molecular exciton and a surface plasmon (exciton-plasmon coupling) on the luminescence properties of the molecule and the surface plasmons are investigated using nonequilibrium Green's function method.…

Materials Science · Physics 2013-11-12 Kuniyuki Miwa , Mamoru Sakaue , Hideaki Kasai

Infrared vibration-rotation lines can be valuable probes of interstellar and circumstellar molecules, especially symmetric molecules, which have no pure rotational transitions. But most such observations have been interpreted with an…

Astrophysics of Galaxies · Physics 2015-06-15 John H. Lacy

The polarization transfer coefficients of a relativistic magnetized plasma are derived. These results apply to any momentum distribution function of the particles, isotropic or anisotropic. Particles interact with the radiation either in a…

High Energy Astrophysical Phenomena · Physics 2015-06-12 Jean Heyvaerts , Christophe Pichon , Simon Prunet , Jerome Thiebaut

A circularly polarized laser pulse can induce persistent intra-molecular currents by either exciting or ionizing molecules. These two cases are identified as electron currents and hole currents, respectively, and up to now they have been…

Chemical Physics · Physics 2024-10-18 Tennesse Joyce , Agnieszka Jaron

The influence of Coulomb distortion on the polarization transfer in elastic proton and antiproton electron scattering at low energies is calculated in a distorted wave Born approximation. For antiproton electron scattering Coulomb effects…

Nuclear Theory · Physics 2009-02-19 H. Arenhoevel

We evaluate the shifts imparted to vibrational and rotational levels of a linear molecule by a nonresonant laser field at intensities of up to 10^12 W/cm^2. Both types of shift are found to be either positive or negative, depending on the…

Chemical Physics · Physics 2015-03-14 Mikhail Lemeshko , Bretislav Friedrich

The energy loss of a relativistic charge undergoing multiple scatterings while traversing an infinite, polarizable and absorptive plasma is investigated. Polarization and damping mechanisms in the medium are phenomenologically modelled by a…

High Energy Physics - Phenomenology · Physics 2012-09-18 Marcus Bluhm , Pol Bernard Gossiaux , Joerg Aichelin

A strong inhomogeneous static electric field is used to spatially disperse a supersonic beam of polar molecules, according to their quantum state. We show that the molecules residing in the lowest-lying rotational states can be selected and…

The double-slit interference in single-photon ionization of the diatomic molecular ion $\mathrm{H}_2^+$ is theoretically studied beyond the dipole approximation. Via simulating and comparing the interactions of the prealigned…

Atomic Physics · Physics 2021-11-24 Kunlong Liu , Yibo Hu , Qingbin Zhang , Peixiang Lu

We study the shift of rotational levels of a diatomic polar molecule due to its van der Waals (vdW) interaction with a gently curved dielectric surface at temperature $T$, and submicron separations. The molecule is assumed to be in its…

Quantum Physics · Physics 2016-08-18 Giuseppe Bimonte , Thorsten Emig , Robert L. Jaffe , Mehran Kardar

The influence of vibrational motion on electron conduction through single molecules bound to metal electrodes is investigated employing first-principles electronic-structure calculations and projection-operator Green's function methods.…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 C. Benesch , M. Thoss , W. Domcke , M. Cizek

Currently, molecular tunnel junctions are recognized as important active elements of various nanodevices. This gives a strong motivation to study physical mechanisms controlling electron transport through molecules. Electron motion through…

Mesoscale and Nanoscale Physics · Physics 2013-01-24 Natalya A. Zimbovskaya

We describe the results of experiments and simulations performed with the aim of extending photoelectron spectroscopy with intense laser pulses to the case of molecular compounds. Dimer frame photoelectron angular distributions generated by…

We study the dissociation dynamics of a diatomic molecule, modeled as a Morse oscillator, coupled to an optical cavity. In both classical and quantum dynamics simulations, a marked suppression of the dissociation probability is observed for…

Chemical Physics · Physics 2023-01-11 Subhadip Mondal , Derek S. Wang , Srihari Keshavamurthy

The influence of an electron-vibrational coupling on the laser control of electron transport through a molecular wire that is attached to several electronic leads is investigated. These molecular vibrational modes induce an effective…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Jörg Lehmann , Sigmund Kohler , Volkhard May , Peter Hänggi

We describe the change of the spatial distribution of the state of polarisation occurring during two-dimensional imaging through a multilayer and in particular through a layered metallic flat lens. Linear or circular polarisation of…

We consider emission of a photon by an electron in the field of a strong laser wave. Polarization effects in this process are important for a number of physical problems. We discuss a probability of this process for circularly polarized…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. Yu. Ivanov , G. L. Kotkin , V. G. Serbo