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An introduction to Markovian open quantum systems
by Shovan Dutta
Submission summary
| Authors (as registered SciPost users): | Shovan Dutta |
| Submission information | |
|---|---|
| Preprint Link: | https://arxiv.org/abs/2510.26530v2 (pdf) |
| Date submitted: | Nov. 5, 2025, 5:42 a.m. |
| Submitted by: | Shovan Dutta |
| Submitted to: | SciPost Physics Lecture Notes |
| Ontological classification | |
|---|---|
| Academic field: | Physics |
| Specialties: |
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| Approach: | Theoretical |
Abstract
This is a concise, pedagogical introduction to the dynamic field of open quantum systems governed by Markovian master equations. We focus on the mathematical and physical origins of the widely used Lindblad equation, its unraveling in terms of stochastic pure-state trajectories and the corresponding continuous measurement protocols, the structure of steady states with emphasis on the role of symmetry and conservation laws, and a sampling of the novel physical phenomena that arise from nonunitary dynamics (dissipation and measurements). This is far from a comprehensive summary of the field. Rather, the objective is to provide a conceptual foundation and physically illuminating examples that are useful to graduate students and researchers entering this subject. There are exercise problems and references for further reading throughout the notes.
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Strengths
1- a very useful and pedagogical introduction to Markovian master equations 2 - acceptance criteria match those of SciPost Physics Lecture Notes 3 - covers the stochastic unraveling, weak, strong, and dynamical symmetries in just 46 pages 4- There are also exercises
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