An introduction to Markovian open quantum systems
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866908627959283712 |
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| author | Dutta, Shovan |
| author_facet | Dutta, Shovan |
| contents | 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_26530 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | An introduction to Markovian open quantum systems Dutta, Shovan Quantum Physics Mesoscale and Nanoscale Physics Quantum Gases Statistical Mechanics Atomic Physics 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. |
| title | An introduction to Markovian open quantum systems |
| topic | Quantum Physics Mesoscale and Nanoscale Physics Quantum Gases Statistical Mechanics Atomic Physics |
| url | https://arxiv.org/abs/2510.26530 |