Monday 5th February 2024 The Kashmir Day
A binary state has one of two values, 0 or 1; which form the foundation of all computation, computing, information, and engineering in digital systems like computers and smartphones. A quantum state has multiple values ranging from 0 to 1 in quantum systems. The "Hello Qubit" code! appeared in the figure below.
A quantum state is represented as the Dirac Bra-Ket notation. It uses an angle bracket and a vertical bar. The inner product (or dot product) of two states is denoted by a bracket, ⟨ Φ | Ψ ⟩; consisting of a left part, ⟨ Φ |, called the bra, and a right part, | Ψ ⟩, called the ket.
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