  Recently, Hall effect measurements are done on Lanthanum doped Strontium
Iridate \(Sr_{2-x}La_{x}IrO_{4}\) which is 5d analogue of cuprates
\cite{hsu2023carrier}. Hall effect measurements show that the effective carrier
density \(n_{H}\) exhibits a crossover from \(n_{H} \sim x\) to \(n_{H} \sim
1+x\) near \(x\simeq 0.16\) . This is very similar to that found in cuprates
around $p\simeq0.19$. It is proposed that a pseudogap (PG) state in
\(Sr_{2-x}La_{x}IrO_{4}\) exists and is ending at \(x\simeq 0.16\)
\cite{hsu2023carrier}. However, PG boundary (in doping-temperature phase
diagram) remains unknown. In this work, we apply a very successfull the
Gor'kov-Teitel'baum Thermal Activation (GTTA) model to
\(Sr_{2-x}La_{x}IrO_{4}\) and obtain its PG phase boundary and draw an updated
phase diagram. Our results agree with previously known signatures of PG phase
in this system \cite{seo2017infrared,de2015collapse}. Using results from GTTA
model we also obtain the evolution of "Fermi arcs" in this system as a function
%of both doping and temperature for doping concentration $x\simeq0.08$ which
are in qualitative agreement with the reported results.
