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Related papers: Prediction of enthalpy for nitrogen gas revised

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A mistake of the effective interaction between D-dimensional Bose atoms [arXiv:cond-mat/0503523] that was published by Physical Review B in 2006 is corrected.

Statistical Mechanics · Physics 2008-10-20 Sang-Hoon Kim

We describe an inexpensive instructional experiment that demonstrates the rotational energy levels of diatomic nitrogen, using the emission band spectrum of molecular nitrogen ionized by various processes in a commercial AC capillary…

Physics Education · Physics 2015-10-28 S. B. Bayram , P. T. Arndt , M. V. Freamat

It is proposed that the energy-momentum expectation values of flavor states should be identified with the missing energy-momentum of neutrino processes so that the conservation of energy-momentum can be strictly imposed. It is also observed…

High Energy Physics - Phenomenology · Physics 2019-10-17 HoSeong La

In this work, we study how the combination of rotation and a topological defect can influence the energy spectrum of a two dimensional electron gas in a strong perpendicular magnetic field. A deviation from the linear behavior of the energy…

Mesoscale and Nanoscale Physics · Physics 2017-09-11 Julio Brandão , Cleverson Filgueiras , Moises Rojas , Fernando Moraes

We investigate the interaction of ground and excited states of a silver atom with noble gases (NG), including helium. Born-Oppenheimer potential energy curves are calculated with quantum chemistry methods and spin-orbit effects in the…

Chemical Physics · Physics 2015-06-12 J. Loreau , H. R. Sadeghpour , A. Dalgarno

The calculation of the hindered roton-phonon energy levels of a hydrogen molecule in a confining potential with different symmetries is systematized for the case when the rotational angular momentum $J$ is a good quantum number. One goal of…

Condensed Matter · Physics 2009-11-07 T. Yildirim , A. B. Harris

We study vibrational statistics in current-carrying model molecular junctions using master equation approach. Especially, we concentrate on the validity of using an effective temperature $T_{\rm eff}$ to characterize the nonequilibrium…

Mesoscale and Nanoscale Physics · Physics 2020-08-20 Tao Wang , Lei-Lei Nian , Jing-Tao Lü

The understanding of the ro-vibrational dynamics in molecular (near)-atmospheric pressure plasmas is essential to investigate the influence of vibrational excited molecules on the discharge properties. In a companion paper, results of…

Plasma Physics · Physics 2021-07-07 Jan Kuhfeld , Dirk Luggenhölscher , Uwe Czarnetzki

In the dynamics of atoms and molecules at metal surfaces, electron-hole pair excitations can play a crucial role. In the case of hyperthermal hydrogen atom scattering, they lead to nonadiabatic energy loss and highly inelastic scattering.…

Materials Science · Physics 2024-12-02 Connor L. Box , Nils Hertl , Wojciech G. Stark , Reinhard J. Maurer

We report a combined experimental and theoretical study of collision-induced dipolar relaxation in a cold spin-polarized gas of atomic nitrogen (N). We use buffer gas cooling to create trapped samples of 14N and 15N atoms with densities…

Atomic Physics · Physics 2011-03-07 T. V. Tscherbul , J. Klos , A. Dalgarno , B. Zygelman , Z. Pavlovic , M. T. Hummon , H-I Lu , E. Tsikata , J. M. Doyle

The nonrelativistic energy of low lying rovibrational levels of HT, DT, and \T\ is determined to an absolute accuracy of $10^{-7}-10^{-8}$ cm$^{-1}$ using the variational method with the four-body nonadiabatic James-Coolidge functions. The…

Chemical Physics · Physics 2023-01-11 Krzysztof Pachucki , Jacek Komasa

We present a theory of resonant processes in a frozen gas of atoms interacting via dipole-dipole potentials that vary as $r^{-3}$, where $r$ is the interatomic separation. We supply an exact result for a single atom in a given state…

Disordered Systems and Neural Networks · Physics 2009-10-31 J. S. Frasier , V. Celli , T. Blum

Vibrational-excitation cross sections of ground electronic state of carbon dioxide molecule by electron-impact through the CO2-(2\Pi) shape resonance is considered in the separation of the normal modes approximation. Resonance curves and…

Chemical Physics · Physics 2016-11-01 V. Laporta , J. Tennyson , R. Celiberto

A microscopic model for thermal excitation of vibrational ground state of a molecule interacting with a condensed medium is developed. The master equation for evolution of occupancies of the vibrational levels is derived. The rate constant…

Statistical Mechanics · Physics 2011-03-04 V. I. Teslenko , D. Y. Iatsenko

Two physically important potentials (Manning-Rosen and P\"oschl-Teller) are considered for the ro-vibrational energy in diatomic molecules. An improved new approximation is invoked for the centrifugal term, which is then used for their…

Quantum Physics · Physics 2022-05-23 Debraj Nath , Amlan K. Roy

We study the spectrum of vibrational modes in metal nanoparticles with a dielectric core. Vibrational modes are excited by the rapid heating of the particle lattice that takes place after laser excitation, and can be monitored by means of…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Arman S. Kirakosyan , Tigran V. Shahbazyan

We study energy levels of two heteronuclear molecules moving in a spherically symmetric harmonic trap. A role of electric dipole interactions is compared and contrasted with our earlier results (https://arxiv.org/abs/1512.00631) for two…

Quantum Gases · Physics 2017-09-13 Wojciech Górecki , Kazimierz Rzążewski

This article continues the series of works by the authors on the approximation of the electronic terms of diatomic molecules by the Morse formula, which is the simplest anharmonic approximation of the real term U(r). Depending on the choice…

Chemical Physics · Physics 2024-11-22 G. S. Denisov , R. E. Asfin

We present an experimental study performed on a vibrated granular gas enclosed into a 2D rectangular cell. Experiments are realized in microgravity. High speed video recording and optical tracking allow to obtain the full kinematics…

Soft Condensed Matter · Physics 2014-03-20 Yan Grasselli , Georges Bossis , Romain Morini

The exchange contribution to the energy of the hydrogen atom interacting with a proton is calculated from the polarization expansion of the wave function using the conventional surface-integral formula and two formulas involving volume…

Quantum Physics · Physics 2016-11-02 Piotr Gniewek , Bogumił Jeziorski