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We have investigated the Unruh effect in Anti de-Sitter (AdS) spacetime byexamining the response function of an Unruh-DeWitt particle detector withuniform constant acceleration. An exact expression of the detector responsefunction for the scalar field has been obtained with different levels ofnon-linearity in even dimensional AdS spacetime. We also showed how theresponse of the accelerated Unruh detector coupled quadratically to masslessDirac field in $D$ dimensional $(D \geq 2)$ AdS spacetime is proportional tothat of a detector linearly coupled to a massless scalar field in $2D$dimensional AdS spacetime. Here, the fermionic and scalar matter field iscoupled minimally and conformally to the background AdS metric, respectively.Finally, we discuss about the extension of the results for more generalstationary motion.

Accelerated paths and Unruh effect I: scalars and fermions in Anti De Sitter spacetime