scholarly journals On the dangers of partial diagrammatic summations: Benchmarks for the two-dimensional Hubbard model in the weak-coupling regime

2015 ◽  
Vol 91 (23) ◽  
Author(s):  
Jan Gukelberger ◽  
Li Huang ◽  
Philipp Werner
Keyword(s):  
Hubbard Model ◽  
Weak Coupling ◽  
Two Dimensional ◽  
Weak Coupling Regime

scholarly journals EQUIVALENCE OF GEOMETRIC h25 APPROACHES TO TWO-DIMENSIONAL QUANTUM GRAVITY

1996 ◽  
Vol 11 (02) ◽  
pp. 93-101 ◽  
Author(s):  
LEON A. TAKHTAJAN
Keyword(s):  
Quantum Gravity ◽  
Weak Coupling ◽  
Geometric Approach ◽  
Two Dimensional ◽  
Weak Coupling Regime

We show the equivalence between the standard weak coupling regime c>25 of the two-dimensional quantum gravity and regime h<1/2 of the original geometric approach of Polyakov,1,2 developed in Refs. 3–5.

scholarly journals Nematic phase in a two-dimensional Hubbard model at weak coupling and finite temperature

2018 ◽  
Vol 98 (7) ◽  
Author(s):  
Sergey Slizovskiy ◽  
Pablo Rodriguez-Lopez ◽  
Joseph J. Betouras
Keyword(s):  
Hubbard Model ◽  
Finite Temperature ◽  
Weak Coupling ◽  
Nematic Phase ◽  
Two Dimensional
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