scholarly journals Long-range potential scattering: Converting long-range potential to short-range potential by tortoise coordinate

2021 ◽  
Vol 62 (12) ◽  
pp. 122102
Author(s):  
Wen-Du Li ◽  
Wu-Sheng Dai
2011 ◽  
Vol 20 (05) ◽  
pp. 877-892
Author(s):  
ARNO BOHM ◽  
MANUEL GADELLA ◽  
FERNANDO GOMEZ-CUBILLO ◽  
SUJEEV WICKRAMASEKARA

We review certain general properties of short range potential scattering and discuss eigenfunction expansions related to short range and spherically symmetric potentials. In the case of a square barrier potential with a hard core at the origin, we study resonance phenomena and construct Gamow vectors in the radial representation.


JETP Letters ◽  
2012 ◽  
Vol 96 (7) ◽  
pp. 471-474 ◽  
Author(s):  
G. Yu. Vasil’eva ◽  
P. S. Alekseev ◽  
Yu. L. Ivanov ◽  
Yu. B. Vasil’ev ◽  
D. Smirnov ◽  
...  

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