How many bits is a qubit?
How many bits is a qubit? Thanks to entanglement, qubits can hold up to two bits of data and transmit data between qubits up to 1400 meters apart (as of the writing of this post). What is a qubit equal to? The value of a qubit is, in effect, a complex number. To specify a complex number requires an infinite (and in fact uncountable) number of bits. So in terms of the information that's stored, a qubit is the equivalent of a large infinite number of bits. How do you write a state as two qubits? Write the state: |ψ⟩=1√2|00⟩+i√2|01⟩...