Quantum Information

The field of quantum information involves studying and manipulating quantum systems to achieve objectives like quantum computation, communication, and cryptography. Quantum mechanics principles, which control particle behavior at the atomic levels, are fundamental to the core of quantum information. 

In quantum information, the qubit is a significant idea and is the quantum equivalent of a classical bit. The qubit can exist in a superposition of states, representing 0 and 1 simultaneously. This quality is crucial in quantum computation, which allows certain calculations to be executed much quicker than classical computers and is a fundamental aspect of many quantum algorithms.