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We present a study of Sisyphus cooling of molecules: the scattering of a single-photon remove a substantial amount of the molecular kinetic energy and an optical pumping step allow to repeat the process. A review of the produced cold…

化学物理 · 物理学 2014-04-11 Daniel Comparat

Coupled-cluster calculations of static electronic dipole polarizabilities for 145 organic molecules are performed to create a reference data set. The molecules are composed from carbon, hydrogen, nitrogen, oxygen, fluorine, sulfur,…

化学物理 · 物理学 2015-07-28 Taozhe Wu , Yulia N. Kalugina , Ajit J. Thakkar

We propose an experiment to measure the electric dipole moment of the electron using ultracold YbF molecules. The molecules are produced as a thermal beam by a cryogenic buffer gas source, and brought to rest in an optical molasses that…

原子物理 · 物理学 2015-06-15 M. R. Tarbutt , B. E. Sauer , J. J. Hudson , E. A. Hinds

Water clusters embedding a nitric acid molecule HNO3(H2O)_{n=1-10} are investigated via electrostatic deflection of a molecular beam. We observe large paraelectric susceptibilities that greatly exceed the electronic polarizability,…

原子与分子团簇 · 物理学 2015-05-14 Ramiro Moro , Jonathon Heinrich , Vitaly V. Kresin

A special class of molecules that are important to many subfields in molecular dynamics and chemical physics, namely free radical molecules, now enjoy a significant degree of center-of-mass motion control in the laboratory frame. The…

原子物理 · 物理学 2009-11-10 J. R. Bochinski , Eric R. Hudson , H. J. Lewandowski , Jun Ye

In the quest to find a favourable triatomic molecule for detecting electric dipole moment of an electron (eEDM), we identify mercury hydroxide (HgOH) as an extremely attractive candidate from both experimental and theoretical viewpoints.…

原子物理 · 物理学 2019-08-21 R. Mitra , V. S. Prasannaa , B. K. Sahoo , X. Tong , M. Abe , B. P. Das

We consider two parallel layers of dipolar ultracold Fermi gases at different temperatures and calculate the heat transfer between them. The effective interactions describing screening and correlation effects between the dipoles in a single…

原子物理 · 物理学 2016-03-09 B. Renklioglu , B. Tanatar , M. Ö. Oktel

We study the thermodynamic behavior of nonpolar liquid mixtures in the vicinity of curved charged objects, such as electrodes or charged colloids. For small enough charge on the object, or equivalently, small potential, the…

统计力学 · 物理学 2009-11-13 Gilad Marcus , Sela Samin , Yoav Tsori

We study a two-dimensional fluid of dipolar hard disks by Monte Carlo simulations in a square with periodic boundary conditions and on the surface of a sphere. The theory of the dielectric constant and the asymptotic behaviour of the…

软凝聚态物质 · 物理学 2015-10-28 Jean-Michel Caillol , Jean-Jacques Weis

In order to find the equilibrium geometries of molecules and solids and to perform ab initio molecular dynamics, it is necessary to calculate the forces on the nuclei. We present a correlated sampling method to efficiently calculate…

凝聚态物理 · 物理学 2009-10-31 Claudia Filippi , C. J. Umrigar

We report attosecond-scale probing of the laser-induced dynamics in molecules. We apply the method of high-harmonic spectroscopy, where laser-driven recolliding electrons on various trajec- tories record the motion of their parent ion.…

Radiative decay processes at cold and ultra cold temperatures for Sulfur atoms colliding with protons are investigated. The MOLPRO quantum chemistry suite of codes was used to obtain accurate potential energies and transition dipole…

原子物理 · 物理学 2015-02-26 G Shen , P C Stancil , J G Wang , J F McCann , B M McLaughlin

We provide a theory of the deflection of polar and non-polar rotating molecules by inhomogeneous static electric field. Rainbow-like features in the angular distribution of the scattered molecules are analyzed in detail. Furthermore, we…

化学物理 · 物理学 2015-05-20 E. Gershnabel , I. Sh. Averbukh

We describe the production of cold, slow-moving LiH molecules. The molecules are produced in the ground state using laser ablation and supersonic expansion, and 68% of the population is transferred to the rotationally excited state using…

原子物理 · 物理学 2015-05-13 S. K. Tokunaga , J. M. Dyne , E. A. Hinds , M. R. Tarbutt

Recent advances in the high sensitivity spectroscopy have made it possible, in combination with accurate theoretical predictions, to observe for the first time very weak electric quadrupole transitions in a polar polyatomic molecule of…

We propose a very sensitive method for measuring the electric dipole moment of the electron using polar molecules embedded in a cryogenic solid matrix of inert-gas atoms. The polar molecules can be oriented in the $\hat{\rm{z}}$ direction…

原子物理 · 物理学 2018-01-29 A. C. Vutha , M. Horbatsch , E. A. Hessels

We examine the potential-energy curves and polarization of the dipole moments of two static polar molecules under the influence of an external dc electric field and their anisotropic dipole-dipole interaction. We model the molecules as…

量子物理 · 物理学 2024-09-24 Felipe Isaule , Robert Bennett , Jörg B. Götte

We derive a Debye-H\"uckel-like model of the electric ion-ion interaction for non-constant dielectric susceptibility, which does not depend on any kind of charging process due to its foundation in the general framework of non-equilibrium…

化学物理 · 物理学 2025-02-24 Wolfgang Dreyer , Rüdiger Müller

A revised and greatly improved version of the 3D continuum radiative transfer code MC3D is presented. It is based on the Monte-Carlo method and solves the radiative transfer problem self-consistently. It is designed for the simulation of…

天体物理学 · 物理学 2009-11-07 Sebastian Wolf

We present Submillimeter Array observations of the massive star-forming region IRAS 20126+4104 in the millimeter continuum and in several molecular line transitions. With the SMA data, we have detected nine molecular transitions, including…

太阳与恒星天体物理 · 物理学 2015-05-30 Jin-Long Xu , Jun-Jie Wang , Chang-chun Ning