Quantum Channel Theory

Quantum Channel Theory is a framework in quantum information theory that deals with the transmission of quantum information through various channels. It describes how quantum states—essentially the basic units of information in quantum systems—can be sent from one place to another, while accounting for potential errors or disturbances during transmission. This theory helps in understanding phenomena like quantum communication and computing, and it enables the design of protocols for secure information exchange, leveraging the unique properties of quantum mechanics, such as entanglement and superposition.