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Infosys-ICTS String Theory Lectures
Nima Lashkari (Purdue University)
Date & Time
03 February 2020 to 05 February 2020
Emmy Noether ICTS-TIFR, Bengaluru
Lecture 1:Monday, 3 February 2020 ,11:30 AM
Lecture 2:Tuesday, 4 February 2020 ,11:30 AM
Lecture 3:Wednesday, 5 February 2020 ,11:30 AM

I introduce the Tomita-Takesaki modular theory and discuss its applications to quantum field theory (QFT). I use the modular theory to constrain the correlation functions of quantum fields. I apply the tools of modular theory to prove that, as opposed to finite quantum systems, in QFT, there are no obstructions on sewing local states into a global pure state.