Measuring Time-Dependent Induced Quantum Coherences via Two-Dimensional Coherence Spectroscopy
We propose a two-dimensional spectroscopic protocol for measuring the time-dependent coherences between the stationary states of a system induced by a time-dependent system-bath interaction. We also investigate the role of temporally-correlated noise on coherence dephasing. This protocol enables dyn...
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| creator | Barford, William Arber, Allison Nicole McLennan, Fynn Marcus, Max |
| description | We propose a two-dimensional spectroscopic protocol for measuring the time-dependent coherences between the stationary states of a system induced by a time-dependent system-bath interaction. We also investigate the role of temporally-correlated noise on coherence dephasing. This protocol enables dynamical information about the system and its coupling to the environment to be determined. Our results are based on the quantum-trajectory method, and are obtained from both approximate, analytical and exact, numerical solutions of the time-dependent Schroedinger equation. As an example, we show how this protocol can be used to investigate exciton dynameds in conjugated polymers induced by the coupling of their torsional modes with the environment. |
| doi_str_mv | 10.48550/arxiv.2104.03041 |
| format | Article |
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| subjects | Coherence Coupling Excitons Physics - Chemical Physics Physics - Quantum Physics Polymers Spectroscopy Spectrum analysis Time dependence |
| title | Measuring Time-Dependent Induced Quantum Coherences via Two-Dimensional Coherence Spectroscopy |
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