Quantum defect theory for asymmetric tops: Application to the Rydberg spectrum of H2O

1990 ◽  
Vol 93 (11) ◽  
pp. 7756-7766 ◽  
Author(s):  
M. S. Child ◽  
Ch. Jungen
Keyword(s):  
Quantum Defect ◽  
Asymmetric Tops ◽  
Quantum Defect Theory

scholarly journals Rotational Analysis of the Rydberg Spectrum of Water

1991 ◽  
Vol 11 (3-4) ◽  
pp. 253-258 ◽  
Author(s):  
M. S. Child ◽  
R. D. Gilbert ◽  
Ch. Jungen
Keyword(s):  
Room Temperature ◽  
Quantum Defect ◽  
Rotational Analysis ◽  
Vibrational Levels ◽  
Quantum Defects ◽  
Asymmetric Top ◽  
Asymmetric Tops ◽  
Quantum Defect Theory ◽  
Good Agreement

Two techniques for rotational analysis of the nd←1b1 Rydberg spectra of H2O and D2O are discussed—a Coriolis coupled asymmetric top model for the room temperature 3d←1b1 cluster, and an extension of multichannel quantum defect theory to asymmetric tops, which is applied to recent jet cooled photoionization spectra of the nd←1b1 series converging to the (100) vibrational levels of H2O+ and D2O+. The quantum defects obtained by the two methods are in good agreement and new ionization limits to the (100) series are derived: IP(100) = 104985(2) cm−1 for H2O and 104262(1) cm−1 for D2O.

Quantum Defect Theory ionization channels of super-excited molecule SO 2

1986 ◽  
Vol 3 (10) ◽  
pp. 441-444
Author(s):  
Guo Weili ◽  
Liang Xiaoling ◽  
Li Jiaming
Keyword(s):  
Excited Molecule ◽  
Quantum Defect ◽  
Quantum Defect Theory

scholarly journals Defect extremal surface for reflected entropy

2022 ◽  
Vol 2022 (1) ◽  
Author(s):  
Tianyi Li ◽  
Ma-Ke Yuan ◽  
Yang Zhou
Keyword(s):  
Black Hole ◽  
Mixed State ◽  
Entanglement Entropy ◽  
Quantum Defect ◽  
Entropy Measure ◽  
Extremal Surface ◽  
Decomposition Procedure ◽  
Hole Model ◽  
Quantum Defect Theory

Abstract Defect extremal surface is defined by extremizing the Ryu-Takayanagi formula corrected by the quantum defect theory. This is interesting when the AdS bulk contains a defect brane (or string). We introduce a defect extremal surface formula for reflected entropy, which is a mixed state generalization of entanglement entropy measure. Based on a decomposition procedure of an AdS bulk with a brane, we demonstrate the equivalence between defect extremal surface formula and island formula for reflected entropy in AdS3/BCFT2. We also compute the evolution of reflected entropy in evaporating black hole model and find that defect extremal surface formula agrees with island formula.

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