Autoionization widths of cold Rydberg atomic complexes

M. S. Dimitrijevic, V. A. Sreckovic, Alaa Abo Zalam, K. Miculis, D. K. Efimov, N. N. Bezuglov, A. N. Klyucharev

Результат исследований: Научные публикации в периодических изданияхстатья

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We have considered two types of interactions between particles resulting in autoionization of the intermediate Rydberg collisional complex. The
first type is caused by the charge exchange processes inside the ionic core of the complex and is responsible for the formation of the final associative ionization
channel due to the departure of a Rydberg electron (RE) of the complex to the energy continuum. We have investigated the evolution of the orbital momentum L of RE and discovered a non-trivial time dependence of L, demonstrating a contrasting oscillatory structure in both direction orientation and its absolute value. The second type of interaction, dipole-dipole interaction, dominates in cold highly excited gaseous media and leads to Penning ionization of various pairs of Rydberg atoms. We have found the optimal quantum configurations of atomic pairs, which intensify the PI rates by several orders of magnitude, and become important suppliers of charged particles upon the evolution of Rydberg gas into cold plasma.
Язык оригиналаАнглийский
Страницы (с-по)66-85
ЖурналContributions of the Astronomical Observatory Skalnate Pleso
Том50
Номер выпуска1
DOI
СостояниеОпубликовано - 15 янв 2020

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Dimitrijevic, M. S. ; Sreckovic, V. A. ; Zalam, Alaa Abo ; Miculis, K. ; Efimov, D. K. ; Bezuglov, N. N. ; Klyucharev, A. N. / Autoionization widths of cold Rydberg atomic complexes. В: Contributions of the Astronomical Observatory Skalnate Pleso. 2020 ; Том 50, № 1. стр. 66-85.
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title = "Autoionization widths of cold Rydberg atomic complexes",
abstract = "We have considered two types of interactions between particles resulting in autoionization of the intermediate Rydberg collisional complex. Thefirst type is caused by the charge exchange processes inside the ionic core of the complex and is responsible for the formation of the final associative ionizationchannel due to the departure of a Rydberg electron (RE) of the complex to the energy continuum. We have investigated the evolution of the orbital momentum L of RE and discovered a non-trivial time dependence of L, demonstrating a contrasting oscillatory structure in both direction orientation and its absolute value. The second type of interaction, dipole-dipole interaction, dominates in cold highly excited gaseous media and leads to Penning ionization of various pairs of Rydberg atoms. We have found the optimal quantum configurations of atomic pairs, which intensify the PI rates by several orders of magnitude, and become important suppliers of charged particles upon the evolution of Rydberg gas into cold plasma.",
keywords = "Atomic processes, Line: profiles, Plasmas, CHEMI-IONIZATION",
author = "Dimitrijevic, {M. S.} and Sreckovic, {V. A.} and Zalam, {Alaa Abo} and K. Miculis and Efimov, {D. K.} and Bezuglov, {N. N.} and Klyucharev, {A. N.}",
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doi = "10.31577/caosp.2020.50.1.66",
language = "Английский",
volume = "50",
pages = "66--85",
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Autoionization widths of cold Rydberg atomic complexes. / Dimitrijevic, M. S.; Sreckovic, V. A.; Zalam, Alaa Abo; Miculis, K.; Efimov, D. K.; Bezuglov, N. N.; Klyucharev, A. N.

В: Contributions of the Astronomical Observatory Skalnate Pleso, Том 50, № 1, 15.01.2020, стр. 66-85.

Результат исследований: Научные публикации в периодических изданияхстатья

TY - JOUR

T1 - Autoionization widths of cold Rydberg atomic complexes

AU - Dimitrijevic, M. S.

AU - Sreckovic, V. A.

AU - Zalam, Alaa Abo

AU - Miculis, K.

AU - Efimov, D. K.

AU - Bezuglov, N. N.

AU - Klyucharev, A. N.

PY - 2020/1/15

Y1 - 2020/1/15

N2 - We have considered two types of interactions between particles resulting in autoionization of the intermediate Rydberg collisional complex. Thefirst type is caused by the charge exchange processes inside the ionic core of the complex and is responsible for the formation of the final associative ionizationchannel due to the departure of a Rydberg electron (RE) of the complex to the energy continuum. We have investigated the evolution of the orbital momentum L of RE and discovered a non-trivial time dependence of L, demonstrating a contrasting oscillatory structure in both direction orientation and its absolute value. The second type of interaction, dipole-dipole interaction, dominates in cold highly excited gaseous media and leads to Penning ionization of various pairs of Rydberg atoms. We have found the optimal quantum configurations of atomic pairs, which intensify the PI rates by several orders of magnitude, and become important suppliers of charged particles upon the evolution of Rydberg gas into cold plasma.

AB - We have considered two types of interactions between particles resulting in autoionization of the intermediate Rydberg collisional complex. Thefirst type is caused by the charge exchange processes inside the ionic core of the complex and is responsible for the formation of the final associative ionizationchannel due to the departure of a Rydberg electron (RE) of the complex to the energy continuum. We have investigated the evolution of the orbital momentum L of RE and discovered a non-trivial time dependence of L, demonstrating a contrasting oscillatory structure in both direction orientation and its absolute value. The second type of interaction, dipole-dipole interaction, dominates in cold highly excited gaseous media and leads to Penning ionization of various pairs of Rydberg atoms. We have found the optimal quantum configurations of atomic pairs, which intensify the PI rates by several orders of magnitude, and become important suppliers of charged particles upon the evolution of Rydberg gas into cold plasma.

KW - Atomic processes

KW - Line: profiles

KW - Plasmas

KW - CHEMI-IONIZATION

U2 - 10.31577/caosp.2020.50.1.66

DO - 10.31577/caosp.2020.50.1.66

M3 - статья

VL - 50

SP - 66

EP - 85

JO - Contributions of the Astronomical Observatory Skalnate Pleso

JF - Contributions of the Astronomical Observatory Skalnate Pleso

SN - 1335-1842

IS - 1

ER -