Decimation transformations in lattice systems of continuous spins

1978 ◽  
Vol 19 (4) ◽  
pp. 417-425 ◽  
Author(s):  
Gerald L. Jones
1990 ◽  
Vol 41 (6) ◽  
pp. 3854-3856 ◽  
Author(s):  
Hideki Matsuoka ◽  
Hideaki Tanaka ◽  
Norio Iizuka ◽  
Takeji Hashimoto ◽  
Norio Ise

2021 ◽  
Vol 2021 (5) ◽  
Author(s):  
Simon Caron-Huot ◽  
Joshua Sandor

Abstract The Operator Product Expansion is a useful tool to represent correlation functions. In this note we extend Conformal Regge theory to provide an exact OPE representation of Lorenzian four-point correlators in conformal field theory, valid even away from Regge limit. The representation extends convergence of the OPE by rewriting it as a double integral over continuous spins and dimensions, and features a novel “Regge block”. We test the formula in the conformal fishnet theory, where exact results involving nontrivial Regge trajectories are available.


2016 ◽  
Vol 94 (3) ◽  
Author(s):  
Longyan Gong ◽  
Bingjie Xue ◽  
Wenjia Li ◽  
Weiwen Cheng ◽  
Shengmei Zhao

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