Prospects of Ultracold Rydberg Gases for Quantum Information Processing

Reetz‐Lamour, M.; Amthor, Thomas; Deiglmayr, Johannes; Westermann, Sebastian; Singer, Kilian; Oliveira, André Luiz de; Marcassa, Luís Gustavo; Weidemller, Matthias

doi:10.1002/9783527611065.ch10

Cited by 3 publications

(3 citation statements)

References 28 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…3a we show the case of n = 46. There has been a previous report of this resonant energy transfer spectrum in the literature [15], but it differs from what we have observed, possibly due to differences in signal to noise. Note the excellent agreement between the calculated and observed resonance fields.…”

Section: Apparatus and Resultscontrasting

confidence: 99%

ac electric-field-induced resonant energy transfer between cold Rydberg atoms

Petrus¹,

Bohlouli-Zanjani²,

Martin

2008

J. Phys. B: At. Mol. Opt. Phys.

View full text Add to dashboard Cite

An oscillating electric field at 1.356 GHz was used to promote the resonant energy transfer process: 43d 5/2 +43d 5/2 → 45p 3/2 +41f between translationally cold 85 Rb Rydberg atoms. The ac Stark shifts due to this dressing field created degeneracies between the initial and final two-atom states of this process. The ac field strength was scanned to collect spectra which are analogous to dc electric-fieldinduced resonant energy transfer spectra. Different resonances were observed for different magnetic sublevels involved in the process. Compared to earlier work performed at higher frequencies, the choice of dressing frequency and structure of the spectra may be intuitively understood, by analogy with the dc field case.

show abstract

Section: Apparatus and Resultscontrasting

confidence: 99%

ac electric-field-induced resonant energy transfer between cold Rydberg atoms

Petrus¹,

Bohlouli-Zanjani²,

Martin

2008

J. Phys. B: At. Mol. Opt. Phys.

View full text Add to dashboard Cite

show abstract

“…On the other hand, in the case of self-pressure broadening of highly polar molecules, such as hydrogen cyanide, collisions in which the rotational energy change of one molecule is exactly compensated by the rotational energy change of its collision partner play a major role [23]. Such kinds of collisions, in which the internal energy change of one molecule is compensated by the internal energy change of its collision partner and, at the same time, the kinetic energy change of one molecule is compensated by the kinetic energy change of its collision partner are known in the literature as resonant collisions [27].…”

Section: Introductionmentioning

confidence: 99%

A kinetic model of polyatomic gas with resonant collisions

2022

View full text Add to dashboard Cite

We propose a kinetic model describing a polyatomic gas undergoing resonant collisions, in which the microscopic internal and kinetic energies are separately conserved during a collision process. This behaviour has been observed in some physical phenomena, for example in the collisions between selectively excited CO2 molecules. We discuss the model itself, prove the related H-theorem and show that, at the equilibrium, two temperatures are expected. We eventually present a numerical illustration of the model and its main properties.

show abstract

“…Поэтому ридберговскими состояниями нейтральных атомов сравнительно легко управлять с помощью когерентного излучения [4], дополненного дальнодействующим межатомным дипольным взаимодействием в сочетании с эффектами дипольной блокады [5]. Все это позволяет как конструировать Q-битные состояния на основе сверхтонкой структуры основных стабильных уровней холодных атомов щелочных металлов [6], так и выполнять при использовании внешних управляющих полей основные базовые квантовые операции [7].…”

Section: Introductionunclassified

Оптимальная Пара Ридберговских Атомов Щелочных Металлов В Несимметричных Пеннинговских Процессах Ионизации

Мазалам

Michulis

Бетеров³

et al. 2019

Журнал Технической Физики

View full text Add to dashboard Cite

Penning ionization (PI) processes for cold Rydberg alkali metal atoms are investigated. Contrary to the reference case of a hydrogen atom, the corresponding autoionization widths demonstrate a sharp dependence (by orders of magnitude) on the orbital quantum numbers of the atoms exposed to long-range dipole-dipole interaction. An important feature of PI is the nontrivial dependence of its efficiency on the size of Rydberg particles. For all types of alkali atoms, the existence of optimal Rydberg pairs has been demonstrated (highly asymmetric configurations of Rydberg pairs), which lead to an explosive intensification (by several orders of magnitude) of the formation of free electrons due to PI processes. This property makes PI an important source of the formation of primary charged particles during the formation of cold Rydberg plasma. The presented numerical data for potassium atomic pairs demonstrate a significant effect of the Förster resonance on the values of PI rate constants.

show abstract

Prospects of Ultracold Rydberg Gases for Quantum Information Processing

Cited by 3 publications

References 28 publications

ac electric-field-induced resonant energy transfer between cold Rydberg atoms

ac electric-field-induced resonant energy transfer between cold Rydberg atoms

A kinetic model of polyatomic gas with resonant collisions

Оптимальная Пара Ридберговских Атомов Щелочных Металлов В Несимметричных Пеннинговских Процессах Ионизации

Contact Info

Product

Resources

About