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Rohit Kishan Ray

Indian Institute of Technology Ropar, India

29 August 2023 Tue 4 pm

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                                      IBS Center for Theoretical Physics of Complex Systems (PCS), Administrative Office (B349), Theory Wing, 3rd floor

                                      Expo-ro 55, Yuseong-gu, Daejeon, South Korea, 34126 Tel: +82-42-878-8633                     

If we try to formalise an inherently nonlinear formalism for the dynamics of a (usually non-interacting) quantum system, we usually face some exotic interactions that are non-physical in nature. One of these effects is the supraluminal communication (signaling) between two non-interacting parts of a composite. In this regard, we show that there exist some models of open quantum dynamics, which are not only thermodynamically consistent but also respect no-signaling. We re-introduce the idea of the "local perception operator" and employ it to provide a general no-signaling theorem. This presentation is based on our recent work in arXiv:2301.11548.

  1. no-signaling nonlinear thermodynamic consistent models of open quantum dynamics

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