Two-photon emissionn in the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>3</mml:mn><mml:mi>s</mml:mi><mml:mo>→</mml:mo><mml:mn>1</mml:mn><mml:mi>s</mml:mi></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>3</mml:mn><mml:mi>d</mml:mi><mml:mo>→</mml:mo><mml:mn>1</mml:mn><mml:mi>s</mml:mi></mml:math>transitions of hydrogenlike atoms

Florescu, Viorica

doi:10.1103/physreva.30.2441

Cited by 45 publications

(50 citation statements)

References 6 publications

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“…Since the seminal work of Göppert-Mayer [1], two-photon decay rates of excited states in hydrogen-like atoms and ions have been the subject of intense experimental [2,3,4,5] and theoretical [6,7,8,9,10,11,12,13] studies. For many years, the investigations have dealt not only with the total decay rates but also with the energy and even angular distributions of the two emitted photons.…”

Section: Introductionmentioning

confidence: 99%

Relativistic calculation of the two-photon decay rate of highly excited ionic states

Surzhykov

2008

Phys. Rev. A

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Based on quantum electrodynamics, we reexamine the two-photon decay of one-electron atoms.Special attention is paid to the calculation of the (two-photon) total decay rates which can be viewed as the imaginary part of the two-loop self-energy. We argue that our approach can easily be applied to the cases with a virtual state having an intermediate energy between the initial and the final state of the decay process leading, thus, to the resonance peaks in the two-photon energy distribution. In order to illustrate our approach, we obtain fully relativistic results, resolved into electric and magnetic multipole components, for the two-photon decay rates of the 3S 1/2 → 1S 1/2 transition in neutral hydrogen as well as in various hydrogen-like ions.

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Section: Introductionmentioning

confidence: 99%

Relativistic calculation of the two-photon decay rate of highly excited ionic states

Surzhykov

2008

Phys. Rev. A

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“…1 ¼ ! 2 and ¼ : The long-short dashed curve is the theoretical result of Florescu [15,16] for H-like ions at ! 1 ¼ !…”

Section: Resultsmentioning

confidence: 99%

“…Au [13] found that this result was only approximate. He studied the effect of including higher multipoles in the calculation and showed that it caused an asymmetry about ¼ 90 in the angular correlation between the two photons of order ðZÞ 2 : In other work, Tung et al [14] studied twophoton decay between arbitrary states ðn; l; mÞ of hydrogenic systems and Florescu et al [15,16] made a systematic study of ns ! 1s and n d !…”

Section: Introductionmentioning

confidence: 99%

Two-Photon Decay in Heavy Atoms and Ions

Mokler¹,

Dunford²

2004

Phys. Scr.

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We review the status of and comment on current developments in the field of two-photon decay in atomic physics research. Recent work has focused on twophoton decays in highly-charged ions and two-photon decay of inner-shell vacancies in heavy neutral atoms. We emphasize the importance of measuring the shape of the continuum emission in two-photon decay as a probe of relativistic effects in the strong central fields found in heavy atomic systems. New experimental approaches and their consequences will be discussed.

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“…Since the seminal work of Göppert-Mayer [1], the two-photon decay of one-and few-electron atoms has been the subject of intense studies, both by experiment [2][3][4] and theory [5][6][7][8][9][10][11][12]. For many years, these investigations have dealt not only with the total and energy-differential transition rates but also with the angular correlations between the emitted photons.…”

Section: Introductionmentioning

confidence: 99%

Photon polarization in the two-photon decay of heavy hydrogen-like ions

Surzhykov

Radtke

Indelicato

et al. 2009

Eur. Phys. J. Spec. Top.

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Abstract. We have applied the density matrix and second-order perturbation theory in order to re-analyze the two-photon decay of hydrogen-like ions for the polarization of emitted light. Special attention is paid to the linear polarization of one of the photons, while the spin state of the second photon is supposed to be unobserved. For such an "angle-polarization" correlation of the two photons we investigate the contributions that arise from non electric-dipole terms in the expansion of the electron-photon interaction. Detailed calculations are performed for the 2s 1/2 → 1s 1/2 and 3d 5/2 → 1s 1/2 transitions in neutral hydrogen as well as in hydrogen-like uranium.

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Two-photon emissionn in the3s→1sand3d→1stransitions of hydrogenlike atoms

Cited by 45 publications

References 6 publications

Relativistic calculation of the two-photon decay rate of highly excited ionic states

Relativistic calculation of the two-photon decay rate of highly excited ionic states

Two-Photon Decay in Heavy Atoms and Ions

Photon polarization in the two-photon decay of heavy hydrogen-like ions

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