Quantum biology, quantum simulation and quantum coherent devices
Abstract
Quantum effects have been proposed to play functional roles in biological processes such as photosynthetic energy transfer and avian magnetoreception. In photosynthetic light-harvesting complexes, excitation energy transfer can proceed with remarkably high efficiency. With advances in experimental techniques, two-dimensional electronic spectroscopy can reveal dynamic processes such as coherence and coupling within a system, and it plays an important role in studying energy transfer in photosynthesis. On the theory side, methods such as the generalized Bloch-Redfield theory and the hierarchical equations of motion are used to model photosynthetic systems. Quantum simulation has also emerged as a complementary route for investigating photosynthetic dynamics, with implementations on multiple experimental platforms. In recent years, a series of studies has introduced quantum coherence into artificial systems to enhance energy transfer efficiency, laying the groundwork for the design of coherent devices with efficient energy transport. Birds are thought to sense direction by exploiting the weak geomagnetic field through spin-dependent chemical reactions. Theoretical frameworks for animal navigation include magnetite-based mechanisms, magnetoreceptor genes, and the radical-pair mechanism. Quantum simulation of magnetoreception-related spin dynamics has likewise progressed across multiple platforms. Inspired by animal navigation, diverse quantum effects have been applied to improve…
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