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| Format: | Preprint |
| Published: |
2024
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| Online Access: | https://arxiv.org/abs/2402.10824 |
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| _version_ | 1866909109426585600 |
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| author | Stefanucci, Gianluca |
| author_facet | Stefanucci, Gianluca |
| contents | The extraordinary quantum properties of nonequilibrium systems governed by dissipative dynamics have become a focal point in contemporary scientific inquiry. The Nonequilibrium Green's Functions (NEGF) theory provides a versatile method for addressing driven {\em non-dissipative} systems, utilizing the powerful diagrammatic technique to incorporate correlation effects. We here present a second-quantization approach to the {\em dissipative} NEGF theory, reformulating Keldysh ideas to accommodate Lindbladian dynamics and extending the Kadanoff-Baym equations accordingly. Generalizing diagrammatic perturbation theory for many-body Lindblad operators, the formalism enables correlated and dissipative real-time simulations for the exploration of transient and steady-state changes in the electronic, transport, and optical properties of materials. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_10824 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Kadanoff-Baym equations for interacting systems with dissipative Lindbladian dynamics Stefanucci, Gianluca Materials Science Quantum Physics The extraordinary quantum properties of nonequilibrium systems governed by dissipative dynamics have become a focal point in contemporary scientific inquiry. The Nonequilibrium Green's Functions (NEGF) theory provides a versatile method for addressing driven {\em non-dissipative} systems, utilizing the powerful diagrammatic technique to incorporate correlation effects. We here present a second-quantization approach to the {\em dissipative} NEGF theory, reformulating Keldysh ideas to accommodate Lindbladian dynamics and extending the Kadanoff-Baym equations accordingly. Generalizing diagrammatic perturbation theory for many-body Lindblad operators, the formalism enables correlated and dissipative real-time simulations for the exploration of transient and steady-state changes in the electronic, transport, and optical properties of materials. |
| title | Kadanoff-Baym equations for interacting systems with dissipative Lindbladian dynamics |
| topic | Materials Science Quantum Physics |
| url | https://arxiv.org/abs/2402.10824 |