Quantum Information of Interference in Quantum Transport

Under thermal bias certain quantum coherent conductors exhibit local temperature oscillations where quantum interference mimics the actions of a Maxwell Demon, allowing the position of a temperature probe do selectively dictate whether electrons can tunnel from the hot or cold electrode. The quantum interference therefore encodes `which way` information about the path of the electron and encodes information. We investigate the information content of destructive quantum interference features (nodes) in the transport spectrum of single-molecule junctions; systems composed of small organic molecules coupled to macroscopic electrodes and which have experimental evidence of possessing nodes. The importance of manybody correlations and dephasing are discussed.