We overview recent theoretical developments on spin-transfer torque in antiferromagnetic nanostructures and related subjects. As antiferromagnetic materials have been generating more attention lately due to their potential to play pivotal roles in spintronics applications, demand has been rising for reliable methods to control and detect antiferromagnetic textures and their dynamics. While antiferromagnets are largely insensitive to external magnetic fields in general, electrical means are proving to be capable of offering promising ways to access the antiferromagnetic dynamics. In this article, we discuss the possibility of manipulating and observing dynamical antiferromagnetic textures by electrical current and voltage.
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