What is it about?
This paper presents a new method to study how quantum systems evolve when they are connected to environments that have complicated, time-dependent effects. Traditional approaches often struggle because they rely on making simplifications that don't always hold true. Our method overcomes these limitations by using a mathematical tool called a "dynamical map" to capture the system's behavior over time, even when the environment is unpredictable and changes in non-linear ways.
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Why is it important?
In the world of quantum physics, systems don't exist in isolation—they interact with their surroundings. Understanding these interactions is important because they affect the behavior of quantum systems, which could be used in future technologies like quantum computers. However, studying these interactions can be challenging, especially when the environment has a complex influence on the system that changes over time. By using this approach, we can simulate and predict the behavior of quantum systems more accurately and efficiently, especially over long periods. This can help scientists better understand fundamental quantum processes and may lead to faster and more reliable ways to develop new quantum technologies.
Perspectives
Writing this article was a great pleasure, using several elegant mathematical tools and structures in combination to create a new description of a fundamental process is a very rewarding process to be a part of.
David Strachan
University of Bristol
Read the Original
This page is a summary of: Extracting dynamical maps of non-Markovian open quantum systems, The Journal of Chemical Physics, October 2024, American Institute of Physics,
DOI: 10.1063/5.0228428.
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