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Mahn-Soo Choi (Korea Univ.) Mesoscopic systems, being at the boundary between the microscopic and macroscopic world and hence at the boundary between the quantum and classical world, has opened a new branch of physics governed by fundamentally different principles. In this semi-tutorial lecture, I will review the essential concepts and their background physics in the field of mesoscopic quantum transport. The subjects to be covered include the conductance quantization, the universal conductance fluctuations, the decoherence effects, the interplay between coherence and interaction, and the application of mesoscopic transport for the probe of topological states of matter. |