Asymptotic behavior of the correlation functions for a Brownian oscillator with viscous aftereffects

1973 ◽  
Vol 16 (4) ◽  
pp. 459-461
Author(s):  
V. I. Fisher
2021 ◽  
Vol 8 (3) ◽  
Author(s):  
Georgios Korpas ◽  
Jan Manschot ◽  
Gregory W. Moore ◽  
Iurii Nidaiev

AbstractThe u-plane integral is the contribution of the Coulomb branch to correlation functions of $${\mathcal {N}}=2$$ N = 2 gauge theory on a compact four-manifold. We consider the u-plane integral for correlators of point and surface observables of topologically twisted theories with gauge group $$\mathrm{SU}(2)$$ SU ( 2 ) , for an arbitrary four-manifold with $$(b_1,b_2^+)=(0,1)$$ ( b 1 , b 2 + ) = ( 0 , 1 ) . The u-plane contribution equals the full correlator in the absence of Seiberg–Witten contributions at strong coupling, and coincides with the mathematically defined Donaldson invariants in such cases. We demonstrate that the u-plane correlators are efficiently determined using mock modular forms for point observables, and Appell–Lerch sums for surface observables. We use these results to discuss the asymptotic behavior of correlators as function of the number of observables. Our findings suggest that the vev of exponentiated point and surface observables is an entire function of the fugacities.


2011 ◽  
Vol 2011 (12) ◽  
pp. P12010 ◽  
Author(s):  
N Kitanine ◽  
K K Kozlowski ◽  
J M Maillet ◽  
N A Slavnov ◽  
V Terras

2012 ◽  
Vol 864 (2) ◽  
pp. 317-327 ◽  
Author(s):  
Zoran Ristivojevic ◽  
Aleksandra Petković ◽  
Thierry Giamarchi

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