Abstract: No device built according to the rules of quantum field theory can measure proper time along its path. Highly accelerated quantum clocks experience the Unruh effect, which inevitably influences their time rate. This contradicts the concept of an ideal clock, whose rate should only depend on the instantaneous velocity and not acceleration.
Abstract: Changes are ubiquitous in nature. Identifying them is crucial for a number of applications in biology, medicine and social sciences. The detection of when a sudden changes happen, known as the change point problem, is an important task in statistics. Consider a source that emits a stream of identical quantum states, and after a mutation, emits a stream of another state. Identifying when the mutation happens, analogous to the change point problem, is known as the quantum change point problem. In this journal club session, I will review some recent works by Gael et al., trying to explain the quantum change point problem, present their analysis of offline and online detection of the change point, exactly identification of the change point and discuss the connection between the (quantum) change point problem and (quantum) machine learning.
References: 1. G Sentís, E Bagan, J Calsamiglia, G Chiribella, R Munoz-Tapia, Physical review letters 117 (15), 150502 (2016) 2. G Sentís, J Calsamiglia, R Munoz-Tapia, Physical review letters 119 (14), 140506 (2017)
CQT Talk by Kishor Bharti, CQT
Title: Introduction to artificial neural network and TensorFlow Date/Time: 24-Aug, 03:00PM Venue: CQT Level 3 Seminar Room, S15-03-15
Abstract: In this tutorial, I will discuss following topics: