scholarly journals Padé approximant approach for obtaining finite-temperature spectral functions of quantum impurity models using the numerical renormalization group technique

2013 ◽  
Vol 87 (24) ◽  
Author(s):  
Žiga Osolin ◽  
Rok Žitko
Keyword(s):  
Renormalization Group ◽  
Finite Temperature ◽  
Padé Approximant ◽  
Spectral Functions ◽  
Numerical Renormalization Group ◽  
Pade Approximant ◽  
Quantum Impurity ◽  
Impurity Models ◽  
Group Technique

scholarly journals Finite-Temperature Spectral Functions from the Functional Renormalization Group

2014 ◽  
Author(s):  
Ralf-Arno Tripolt ◽  
Nils Strodthoff ◽  
Lorenz von Smekal ◽  
Jochen Wambach
Keyword(s):  
Renormalization Group ◽  
Finite Temperature ◽  
Spectral Functions ◽  
Functional Renormalization Group
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