scholarly journals Effective characteristic polynomials and two-point Padé approximants as summation techniques for the strongly divergent perturbation expansions of the ground state energies of anharmonic oscillators

1996 ◽  
Vol 53 (3) ◽  
pp. 2925-2939 ◽  
Author(s):  
Jiří Čížek ◽  
Ernst Joachim Weniger ◽  
Paul Bracken ◽  
Vladimír Špirko
Keyword(s):  
Ground State ◽  
Padé Approximants ◽  
Characteristic Polynomials ◽  
Perturbation Expansions ◽  
Effective Characteristic ◽  
Anharmonic Oscillators ◽  
Pade Approximants ◽  
Ground State Energies

scholarly journals Padé approximants for the ground-state energy of closed-shell quantum dots

1997 ◽  
Vol 56 (24) ◽  
pp. 15740-15743 ◽  
Author(s):  
Augusto Gonzalez ◽  
Bart Partoens ◽  
François M. Peeters
Keyword(s):  
Quantum Dots ◽  
Ground State Energy ◽  
Ground State ◽  
State Energy ◽  
Closed Shell ◽  
Padé Approximants ◽  
Pade Approximants

Simple systematics in the ground state energies of quantum anharmonic oscillators

1998 ◽  
Vol 244 (1-3) ◽  
pp. 9-12 ◽  
Author(s):  
Ranjan Bhattacharya ◽  
Dhiranjan Roy ◽  
Siddhartha Bhowmick
Keyword(s):  
Ground State ◽  
Anharmonic Oscillators ◽  
Ground State Energies
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