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Information content of a qubit - Physics Forums I have just started reading Neilson and chuang's book on quantum computing and two times already have they said that when a qubit is not observed, it can contain infinite information "How much information is represented by a qubit? Paradoxically, there are an infinite number of points on the
Schrödingers Cat and the Qbit - Physics Forums If, on the other hand, the cat is truly in a superposition of “alive” and “dead”, then we have a quantum bit of information (qubit or Qbit) Let explain the difference between a Cbit and a Qbit and let you decide
Quantum computer storage capacity - Physics Forums A qubit is not a storage element, it is a noisy processor element that has a probability; 0 ≤ p ≤ 1 Each time you read a single qubit you will get only 0 or 1 Coupling between the qubits in a QC distorts the probabilities and may statistically lead to a valid result
I have no idea what Normalize Normalization means Help please? After the measurement of the first qubit you have a new state that is a superposition of |00\rangle and |01\rangle If you measure the second qubit (and let's assume that you do it quickly enough that we can assume the state has not evolved) it will be one of those with probability |\alpha_ {00}|^2 and |\alpha_ {01}|^2 respectively
Calculating qubit purity entanglement in a quantum computer They used to call it "entanglement", and I believe that the two terms are synonymous since all of the qubits in a quantum computer start out in a pure state After struggling to find examples for how to calculate these purity entanglement values for each qubit, I did finally figure it out Attached is a document describing how to do this
Finding E_J Value of a Qubit: Step-by-Step Guide - Physics Forums Hi everyone, I’ve performed microwave measurements on a 3D transmon and want to find the E_J value of the qubit I’ve tried searching through many papers, particularly Koch et al, about how to do this, but I am stumped Could someone please help me out? Thanks in advance
Understanding Two-Qubit States: The Bell States - Physics Forums An example of a two-qubit state is one of the Bell states, for example: lB> = 1 √2 (l00> + l11>) In my book it is stated that the Bell states form an orthonormal basis for the set of two qubit states But what exactly is the general form of a two-qubit state? Is it any vector of the form: lq>
Sending drive Pulse in CQED and visualize the state by QuTip In the dispersive regime, the qubit acts like a dielectric whose dielectric constant depends on the state of the qubit This causes the cavity frequency to depend on the state of the qubit When the qubit is in the excited state, the cavity frequency shifts by The disperse shift can be used to read out the state of the qubit
How Many Qubits Are Needed to Accurately Simulate Hydrogen Molecules? Also, it is not correct to say that one need one qubit per electron Normally when people talk about QC (algorithms etc) we refer to systems where the qubits are really bits, i e two state systems (that can be put in a superposition, but they are still bits)