Non-Markovian bath-induced coupling revealed by two-dimensional spectroscopy

التفاصيل البيبلوغرافية
العنوان: Non-Markovian bath-induced coupling revealed by two-dimensional spectroscopy
المؤلفون: de Wit, Roosmarijn, Keeling, Jonathan, Lovett, Brendon W., Chin, Alex W.
سنة النشر: 2024
المجموعة: Condensed Matter
Quantum Physics
مصطلحات موضوعية: Quantum Physics, Condensed Matter - Mesoscale and Nanoscale Physics
الوصف: Problems in the field of open quantum systems often involve an environment that greatly impacts excitation dynamics. Here we show that there can be coherent coupling between different system states of a form that only occurs in a non-Markovian treatment of the bath. Because this involves entangled system-bath states, we demonstrate that there are distinct signatures of this physics in simple absorption spectra and two-dimensional electronic spectroscopy. To do this we introduce a numerical method to simulate optical spectra of non-Markovian open quantum systems. The method employs a process tensor framework to efficiently compute multi-time correlation in a numerically exact way.
Comment: Paper withdrawn due to an error in interpretation. The weak coupling master equation to which we compared neglected the Lamb shift, and including this the agreement between exact results and weak coupling master equations are better than reported
نوع الوثيقة: Working Paper
الوصول الحر: http://arxiv.org/abs/2402.15454Test
رقم الانضمام: edsarx.2402.15454
قاعدة البيانات: arXiv