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Sunday, July 26, 2020 | History

2 edition of Pressure shift and broadening of alkali Rydberg states. found in the catalog.

Pressure shift and broadening of alkali Rydberg states.

David Charles Thompson

# Pressure shift and broadening of alkali Rydberg states.

## by David Charles Thompson

Published .
Written in English

Subjects:
• Physics Theses

• Edition Notes

Thesis (Ph.D.), Dept. of Physics, University of Toronto.

The Physical Object ID Numbers Contributions Stoicheff, Boris P. (supervisor) Pagination 130 leaves Number of Pages 130 Open Library OL16343273M

is dominated by the Rydberg!Sn 1!S 1 1 relaxation5 ~where 1 denotes high vibrational excitations!, and possibly also ‘‘re-active’’ predissociation channels with a partial width GD. Quantitative data on Lorentzian line broadening of Rydberg states of benzene explored by two-photon spectroscopy for the nRg series, n53–[email protected] total. Abstract We present calculations of high Rydberg states for the lithium atom by two different theoretical methods. The first method is based on the R -matrix theory to obtain the energy levels and the quantum defects for the 1s 2 ndD2 and 1s 2 nfF2 states and their adjacent continuum states. Then the quantum defect functions of the two channels are obtained which vary .

The Rydberg constant is (very nearly) the ground state energy of hydrogen. First of all - there are two different things given that name. One is a unit of energy (half a Hartree) $R_{\infty} = eV$ The other is equal to the previous. "Rydberg atoms can be created in a laboratory by a number of techniques A tunable laser is used to excite the atoms. This method makes it possible to select a particular Rydberg state Most experiments with Rydberg atoms have been done with the atoms of the alkali metals: lithium, sodium, potassium, rubidium and cesium easily turned into a.

An investigation of spectra, radiative and autoionization characteristics for the rare-earth elements is of a great interest as for development atomic spectroscopy as different applications in plasma chemistry, astrophysics, laser physics, quantum electronics etc. We present and review the results of studying spectra and autoionization resonance characteristics of a few lanthanide Cited by: 2.   Doubly excited autoionizing Rydberg states of Sr W.E. Cooke, T.F. Gallagher, S.A. Edelstein, R.M. Hill (Physical Review Letters ) Energy partitioning in the collision-free multiphoton dissociation of molecules: energy of CF2 from CF2HCl, CF2Br2, and CF2Cl2 John C. Stephenson, David S. King (Journal of Chemical Physics ).

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### Pressure shift and broadening of alkali Rydberg states by David Charles Thompson Download PDF EPUB FB2

Rydberg wavepackets excited from a low-lying, stationary, Rydberg state using short-pulse FIR radiation can be quite different from those produced from the ground state using optical frequencies.

The size of the ground-state wavefunction limits the area in which population can be transferred to the Rydberg states to about a 0 as discussed in Section II.B The pressure broadening and shift rates for the cesium D{sub 2} (6 {sup 2}P{sub 3/2}.

A typical example for the occurrence of various types of valence states which are relatively separated from Rydberg states is the ozone molecule in which the transitions can be essentially divided into three groups: (1) transitions in the 1–5 eV arise mainly from excitations from the neighboring 1a 2, 4b 2 and 6a 1 MOs into the unoccupied 2b.

Rare-gas-induced broadening and shift of two-photon transitions to intermediate Rydberg states of atomic thallium* Article (PDF Available) in The European Physical Journal D 1(2) Broadening and shift of Rydberg levels by elastic collisions with rare-gas atoms Article (PDF Available) in Journal of Physics B Atomic and Molecular Physics.

In this work, we focus on one aspect of Rydberg electron scattering, namely number density effects in molecular gases. Our recent study of Rydberg states of CH 3 I and C 6 H 6 perturbed by H 2 is the first attempt to investigate number density effects of a molecular perturber on Rydberg electrons 1, excited Rydberg states, because of their “large orbital” nature, are very Author: K.

Rupnik, U. Asaf, S. McGlynn. Position and width of the resonance in electron-potassium scattering from self-broadening of Rydberg states pressure broadening and shift of the K(ns) and K(nd) series in self-broadening For a full verification of the theory it is of interest to measure the broadening and shift of the Rydberg states of atoms of one alkali, for example.

David Charles Thompson has written: 'Pressure shift and broadening of alkali Rydberg states' -- subject(s): Physics Theses Asked in Health, Scuba, Military Medicine How do you get bends.

David Wilson Thompson has written: 'Managing people, influencing behavior' -- subject(s): Industrial Psychology, Personnel management 'The manager' -. nS, nP, and nD Rydberg atoms with n= have been done [13, 14] and discussed [15, 16]. The present work is devoted to the calculations of the eﬀective lifetimes of nS, nP, and nD Rydberg states of alkali-metal Rydberg atoms with n≤80 at the ambient temperatures of 77, and K.

A simple theoretical. Rates of depopulation by blackbody radiation (BBR) and effective lifetimes of alkali-metal nS, nP, and nD Rydberg states have been calculated in a wide range of principal quantum numbers n{.

K.H. Weber, K. Niemax: Impact broadening of very high Rb Rydberg levels by Xe. Physik A() ADS CrossRef Google Scholar K. Heber, P.J. West, E. Matthias: Pressure shift and broadening of SnI Rydberg states in noble : Wolfgang Demtröder.

Rydberg Atoms (Cambridge Monographs on Atomic, Molecular and Chemical Physics) Thomas F. Gallagher This book provides a comprehensive description of the physics of Rydberg atoms, highlighting their remarkable properties by reference to. This in-depth textbook with a focus on atom-light interactions prepares students for research in a fast-growing and dynamic field.

Intended to accompany the laser-induced revolution in atomic physics, it is a comprehensive text for the emerging era in atomic, molecular and optical by: 4.

This chapter was originally published in the book Advances in Atomic, Molecular, much larger than the natural line width of typical Rydberg states and signiﬁcantly larger than potential light-atom couplings of a few MHz for the π phase shift induced in the target atom by changing the state of the control atom.

From Isenhower et al. Optical pumping means selective population or depletion of atomic or molecular levels by aborption of radiation, Lifetimes of alkali-metal-atom Rydberg states. Phys. Rev. A 30, () ADS CrossRef Google Scholar. Pressure shift and broadening of SnI Rydberg states in noble gases.

Phys. Rev. A 37, () ADS CrossRef Google Author: Wolfgang Demtröder. The value of the Rydberg constant R∞ is × 10 7 per metre. When used in this form in the mathematical description of series of spectral lines, the result is the number of waves per unit length, or the wave numbers.

Multiplication by the speed of light yields the frequencies of the spectral lines. This means that the higher the Rydberg state we want to excite, the lower the Rabi frequency will be, i.e., it takes longer to reach the Rydberg state. As Rydberg states are excited atomic states, they always have a finite lifetime, since the coupling to the vacuum of the electromagnetic field provides a natural decay channel.

In principle. from the Rydberg formula and is a useful practical tool for calculating the emission or absorption energy between any two energy states and can be used to generate all of the other series: Lyman, Balmer, Paschen, Brackett, Pfund, Humphreys etc.

Rydberg’s formula is the more general case of a formula developed by Balmer to describe theAuthor: Norman Graves. A Rydberg molecule is an electronically excited chemical onically excited molecular states are generally quite different in character from electronically excited atomic states.

However, particularly for highly electronically excited molecular systems, the ionic core interaction with an excited electron can take on the general aspects of the interaction between the proton and the.

Iterative Fourier reconvolution spectroscopy: van der Waals broadening of Rydberg transitions; the ~ ~X (5p, 6s) transition of methyl iodide Arthur M. Halpern pp –The Fourth International Conference on Laser Spectroscopy (FICOLS) was held in the Hotel Oberfahrt in Rottach-Egern, Tegernsee, JuneRottach-Egern is a well-known health resort situated on the southern end of Lake Tegernsee.

As with the previous laser spectroscopy conferences in Vail.Researchers report the creation of Rydberg polarons in a Bose gas. by Vienna University of Technology. Electron (blue) orbits the nucleus (red) -- and its orbit encloses many other atoms of .