Control of Quantum Energy Transport by Environmental Engineering

The energy transport in the light harvesting mechanisms of photosynthetic bacteria has attracted intensive attentions. Especially, the model proposed to describe the mechanism which shows that environmental noises can assist the energy transport[1] has been intensively studied, since the model has opened a way for biomimetic studies. However, the complexities of biological molecules have been obstacles to reproduce the mechanism of energy transport. To overcome the difficulty, we propose another way to control energy transport by an active control on environment. In this presentation, we show that we can accelerate an energy transport through a linear chain model by applying stochastic noises with spatial-temporal correlations[2]. Especially, we show that anti-spatial correlation and optimum correlation time can accelerate energy transport. We believe that the results show new possibilities to improve energy transport. [1] P. Rebentrost, et al.,New J. Phys. 11, 033003 (2009); M. B. Plenio, and S. F. Huelga, New J. Phys. 10, 113019 (2008).[2] C. Uchiyama, W. J. Munro, and K. Nemoto, npj Quantum Information vol.4, 33 (2018).