On large $q$ expansion in the Sachdev-Ye-Kitaev model
Grigory Tarnopolsky
TL;DR
This paper investigates the large $q$ expansion in the SYK model, deriving higher-order corrections to the thermal two-point function and free energy, advancing understanding of its analytical properties.
Contribution
It provides the next order correction to the thermal two-point function and free energy in the large $q$ expansion of the SYK model, which was previously unexplored.
Findings
Derived the next order correction to the thermal two-point function.
Calculated the next order correction to the free energy.
Enhanced analytical understanding of the SYK model at large $q$.
Abstract
We consider the Sachdev-Ye-Kitaev (SYK) model where interaction involves fermions at a time. We find the next order correction to the thermal two-point function in the large expansion. Using this result we find the next order correction to the SYK free energy.
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