Reconstruction of spectral densities of anharmonic phonons from their moments via the effective-potential method and the continued-fraction approach

1996 ◽  
Vol 53 (9) ◽  
pp. 5363-5371 ◽  
Author(s):  
A. Macchi ◽  
A. A. Maradudin ◽  
V. Tognetti
Keyword(s):  
Effective Potential ◽  
Continued Fraction ◽  
Potential Method ◽  
Spectral Densities

An Extended Effective Potential Method with Topological Phase of Spin Tunnelling

2002 ◽  
Vol 19 (10) ◽  
pp. 1525-1527 ◽  
Author(s):  
Kou Su-Peng ◽  
Lü Rong ◽  
Liang Jiu-Qing
Keyword(s):  
Effective Potential ◽  
Potential Method ◽  
Topological Phase
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