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Alexandre Serantes (ICTS-TIFR, Bangalore)
Date & Time
Fri, 07 September 2018, 11:30 to 12:30
Nambu Discussion Room (Left), ICTS Campus, Bangalore

In this talk, I will discuss the behavior under periodic driving of holographic CFTs placed on compact spaces. The dual gravitational construction involves time-dependent geometries with global asymptotics supported by a massless scalar field. The driving is implemented by a harmonic variation of the scalar field non-normalizable mode. 

First, I will illustrate that this system allows for exactly periodic geometries. Then, I will analyze the stability properties of these novel solutions and discuss the role they play in dynamical processes for which the driving amplitude and/or frequency become themselves nontrivial functions of time. Finally, I will comment on the late-time dynamics of the theory and elaborate on the different relaxation regimes that may appear.