Predicting entanglement and coherent times in FMO complex using the HEOM method

• URL: http://arxiv.org/abs/2008.07580v1
• Date: Mon, 17 Aug 2020 19:17:12 GMT
• Title: Predicting entanglement and coherent times in FMO complex using the HEOM method
• Authors: Bruno Gonz\'alez-Soria, Francisco Delgado and Alan Anaya-Morales
• Abstract summary: BChls are molecules responsible for the high efficiency energy transfer in the photosynthetic process of green sulfur bacteria. This work applies the Hierarchical Equations of Motion method (HEOM), a non-Markovian approach, in the modelling of the system evolution of the FMO complex.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Fenna-Matthews-Olson (FMO) bacteriochlorophylls (BChls) are molecules responsible of the high efficiency energy transfer in the photosynthetic process of green sulfur bacteria, controversially associated to quantum phenomena of long lived coherence. This phenomenon is modelled using Quantum Open Systems (QOS) without included memory effects of the surrounding approximated as a phonon bath on thermal equilibrium. This work applies the Hierarchical Equations of Motion method (HEOM), a non-Markovian approach, in the modelling of the system evolution of the FMO complex to perform predictions about the coherence time scales together with global and semi-local entanglement during the quantum excitation.

Related papers

• Environment-Mediated Long-Ranged Correlations in Many-Body System [4.294325039706825]
  We utilize the recently developed Quantum Dissipation with Minimally Extended State Space (QD-MESS) approach to address reservoir induced long-ranged temporal in finite size Ising-type spin chains. For thermal correlations with ohmic and subohmic spectral density we simulate the quantum time evolution from finite to zero temperature. The competition between thermal fluctuations, quantum fluctuations, and anti-ferromagnetic interactions reveal a rich pattern of dynamical phases.
  arXiv  Detail & Related papers  (2024-06-25T03:51:49Z)
• Dynamically Emergent Quantum Thermodynamics: Non-Markovian Otto Cycle [49.1574468325115]
  We revisit the thermodynamic behavior of the quantum Otto cycle with a focus on memory effects and strong system-bath couplings. Our investigation is based on an exact treatment of non-Markovianity by means of an exact quantum master equation.
  arXiv  Detail & Related papers  (2023-08-18T11:00:32Z)
• Dissipationless flow in a Bose-Fermi mixture [50.591267188664666]
  We study the collective oscillations of a spin-polarized Fermi gas immersed in a Bose-Einstein condensate. Our findings open the door towards understanding non-equilibrium dynamics of strongly interacting Bose-Fermi mixtures.
  arXiv  Detail & Related papers  (2023-04-16T00:58:05Z)
• Non-Markovianity between site-pairs in FMO complex using discrete-time quantum jump model [3.0715281567279153]
  We show the presence of higher non-Markovian memory effects in specific site-pairs when internal structures and environmental effects are in favour of faster transport. Our study leans towards the connection between non-Markovianity in quantum jumps with the enhancement of transport efficiency.
  arXiv  Detail & Related papers  (2022-09-02T12:49:09Z)
• Coherent excitation energy transfer in model photosynthetic reaction center: Effects of non-Markovian quantum environment [10.502873281183726]
  Excitation energy transfer (EET) and electron transfer (ET) are crucially involved in photosynthetic processes. In this work, we propose a mixed dynamic approach to investigate this open system. Specifically, we explore the effect of non-Markovian quantum phonon bath on the coherent transfer dynamics and its manipulation on the current-voltage behavior.
  arXiv  Detail & Related papers  (2022-05-09T14:57:56Z)
• Accessing the topological Mott insulator in cold atom quantum simulators with realistic Rydberg dressing [58.720142291102135]
  We investigate a realistic scenario for the quantum simulation of such systems using cold Rydberg-dressed atoms in optical lattices. We perform a detailed analysis of the phase diagram at half- and incommensurate fillings, in the mean-field approximation. We furthermore study the stability of the phases with respect to temperature within the mean-field approximation.
  arXiv  Detail & Related papers  (2022-03-28T14:55:28Z)
• Fast Thermalization from the Eigenstate Thermalization Hypothesis [69.68937033275746]
  Eigenstate Thermalization Hypothesis (ETH) has played a major role in understanding thermodynamic phenomena in closed quantum systems. This paper establishes a rigorous link between ETH and fast thermalization to the global Gibbs state. Our results explain finite-time thermalization in chaotic open quantum systems.
  arXiv  Detail & Related papers  (2021-12-14T18:48:31Z)
• Universal Quantum Fluctuation-Dissipation Relation for Systems Far From Equilibrium [3.0965505512285967]
  We present a general nonequilibrium Fluctuation-Dissipation Theorem (FDT) for quantum Markovian processes where the detailed-balance condition is violated. Apart from the fluctuations, the relaxation involves extra correlation that is governed by the quantum curl flux emerged in the far-from-equilibrium regime. Our results have the advantage of and exceed the scope of the fluctuation-dissipation relation in the perturbative and near equilibrium regimes.
  arXiv  Detail & Related papers  (2021-01-28T06:12:08Z)
• Analog cosmological reheating in an ultracold Bose gas [58.720142291102135]
  We quantum-simulate the reheating-like dynamics of a generic cosmological single-field model in an ultracold Bose gas. Expanding spacetime as well as the background oscillating inflaton field are mimicked in the non-relativistic limit. The proposed experiment has the potential of exploring the evolution up to late times even beyond the weak coupling regime.
  arXiv  Detail & Related papers  (2020-08-05T18:00:26Z)
• Probing eigenstate thermalization in quantum simulators via fluctuation-dissipation relations [77.34726150561087]
  The eigenstate thermalization hypothesis (ETH) offers a universal mechanism for the approach to equilibrium of closed quantum many-body systems. Here, we propose a theory-independent route to probe the full ETH in quantum simulators by observing the emergence of fluctuation-dissipation relations. Our work presents a theory-independent way to characterize thermalization in quantum simulators and paves the way to quantum simulate condensed matter pump-probe experiments.
  arXiv  Detail & Related papers  (2020-07-20T18:00:02Z)

This list is automatically generated from the titles and abstracts of the papers in this site.

This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.