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High resolution molecular dynamics simulations with full Coulomb interactions of electrons are used to investigate field emission in planar nanodiodes. The effects of space charge and emitter radius are examined and compared to previous…

Plasma Physics · Physics 2015-03-16 Kristinn Torfason , Agust Valfells , Andrei Manolescu

The movement of the particles in a capillary electrophoretic system under electroosmotic flow was modeled using Monte Carlo simulation with Metropolis algorithm. Two different cases, with repulsive and attractive interactions between…

Soft Condensed Matter · Physics 2021-10-26 Hakan Kaygusuz , F. Bedia Erim , A. Nihat Berker

This paper reviews recent advances in the study of strongly interacting systems of dipolar molecules. Heteronuclear molecules feature large and tunable electric dipole moments, which give rise to long-range and anisotropic dipole-dipole…

Quantum Gases · Physics 2016-07-14 Bryce Gadway , Bo Yan

Accurate line lists for three molecules, BeH, MgH and CaH, in their ground electronic states are presented. These line lists are suitable for temperatures relevant to exoplanetary atmospheres and cool stars (up to 2000K). A combination of…

Solar and Stellar Astrophysics · Physics 2012-08-22 Benjamin Yadin , Thomas Veness , Pierandrea Conti , Christian Hill , Sergei N. Yurchenko , Jonathan Tennyson

We propose a new mechanism to produce ultracold polar molecules with microwave fields. The proposed mechanism converts trapped ultracold atoms of different species into vibrationally excited molecules by a single microwave transition and…

Quantum Physics · Physics 2009-11-13 Svetlana Kotochigova

We investigate the properties of two interacting ultracold polar molecules described as distinguishable quantum rigid rotors, trapped in a one-dimensional harmonic potential. The molecules interact via a multichannel two-body contact…

Atomic Physics · Physics 2018-07-03 Anna Dawid , Maciej Lewenstein , Michał Tomza

The driving of vibrational motion by external electric fields is a topic of continued interest, due to the possibility of assessing new or metastable material phases with desirable properties. Here, we combine ab initio molecular dynamics…

Materials Science · Physics 2025-09-15 Elia Stocco , Christian Carbogno , Mariana Rossi

Rotational excitation of polar molecules trapped in an optical lattice gives rise to rotational excitons. Here we show that non-linear interactions of such excitons can be controlled by an electric field. The exciton--exciton interactions…

Mesoscale and Nanoscale Physics · Physics 2012-06-20 Ping Xiang , Marina Litinskaya , Roman V. Krems

Open-shell non-rigid molecular systems exhibiting an internal rotation are likely candidates for a coupling between the spin angular momentum of the unpaired electron and the torsional motion. This electron spin-torsion coupling lacked both…

We propose a method for sensitive parallel detection of low-frequency electromagnetic fields based on the fine structure interactions in paramagnetic polar molecules. Compared to the recently implemented scheme employing ultracold $^{87}$Rb…

Atomic Physics · Physics 2013-04-25 Sergey V. Alyabyshev , Mikhail Lemeshko , Roman V. Krems

The molecular Hubbard Hamiltonian (MHH) naturally arises for ultracold ground state polar alkali dimer molecules in optical lattices. We show that, unlike ultracold atoms, different molecules display different many-body phases due to…

Quantum Gases · Physics 2013-08-22 M. L. Wall , Erman Bekaroglu , Lincoln D. Carr

The Stark interaction of polar molecules with an inhomogeneous electric field is exploited to select slow molecules from a room-temperature reservoir and guide them into an ultrahigh vacuum chamber. A linear electrostatic quadrupole with a…

Chemical Physics · Physics 2009-11-07 S. A. Rangwala , T. Junglen , T. Rieger , P. W. H. Pinkse , G. Rempe

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

We use accurate quantum mechanical calculations to analyze the effects of parallel electric and magnetic fields on collision dynamics of OH(2Pi) molecules. It is demonstrated that spin relaxation in 3He-OH collisions at temperatures below…

Atomic Physics · Physics 2012-02-06 Timur V. Tscherbul , Gerrit C. Groenenboom , Roman V. Krems , Alex Dalgarno

We propose a method to sympathetically cool polar molecules with Rydberg atoms without destroying the quantum information encoded in the polar molecules. While the interactions between the two are usually state-dependent, we show how to…

Quantum Physics · Physics 2025-07-22 Jeremy T. Young , Ron Belyansky , Kang-Kuen Ni , Alexey V. Gorshkov

We study boron, carbon, nitrogen and oxygen isotopes with a newly constructed shell-model Hamiltonian developed from monopole-based-universal interaction ($V_{MU}$). The present Hamiltonian can reproduce well the ground-state energies,…

Nuclear Theory · Physics 2012-09-26 Cenxi Yuan , Toshio Suzuki , Takaharu Otsuka , Furong Xu , Naofumi Tsunoda

Resonances between excitonic transitions and nuclear coordinates have been shown to drive a variety of excited-state dynamical phenomena in molecular systems. Here, we report mixed quantum--classical simulations showing similar resonances…

Materials Science · Physics 2026-03-31 Alex Krotz , Roel Tempelaar

We present a microscopic semi-analytical theory for the description of organic molecules interacting strongly with a cavity mode. Exciton-vibration coupling within the molecule and exciton-cavity interaction are treated on an equal footing…

Mesoscale and Nanoscale Physics · Physics 2016-11-15 Ning Wu , Johannes Feist , Francisco J. Garcia-Vidal

Ultracold collisions of polar OH molecules are considered in the presence of an electrostatic field. The field exerts a strong influence on both elastic and state-changing inelastic collision rate constants, leading to clear experimental…

Atomic Physics · Physics 2009-11-07 Alexandr V. Avdeenkov , John L. Bohn

The role of large amplitude whistler waves in the energization and scattering of solar wind electrons has long been an interesting problem in Space Physics. To study this wave-particle interaction, we developed a vectorized test particle…

Solar and Stellar Astrophysics · Physics 2021-05-07 Tien Vo