Schrödinger's Cat and the Qbit - Physics Forums
Apr 2, 2024 · 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 …
How Does a Qubit Exist as Both 1 and 0 Simultaneously?
Feb 11, 2024 · I think 10 more IQ points would help me understand quantum physics at the level I'd like. That said, I'd like to know more about Qbits. I've watched several videos about them, and they say …
Finding E_J Value of a Qubit: Step-by-Step Guide
Mar 6, 2019 · 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 …
Calculating qubit purity/entanglement in a quantum computer
Sep 21, 2024 · I had written a simulator for a quantum computer and wanted to be able to calculate the values of the "purity of reduced states". "Purity of reduced states" is a quantity that IBM provides on …
Qubit error rate of QKD BB84 protocol • Physics Forums
Jan 16, 2018 · Hello everyone, I don't know how to measure the QBER of BB84 protocol in a realistic experiment.In the most paper show the data which is only the number but do not show the unit of …
Quantum computer storage capacity - Physics Forums
Aug 10, 2022 · I have a question regarding the storage capacity of quantum computers. I read that 32 qubits (4 "quantum bytes" if you will - not sure if that's an actual...
Quantum Physics Forum • Physics Forums
Apr 18, 2020 · Join in expert discussion on quantum physics. Quantum physics is the mathematical description of the motion and interaction of subatomic particles. Quantum Mechanics and Field Theory.
Understanding Two-Qubit States: The Bell States - Physics Forums
Jan 4, 2016 · 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 …
Does a qubit break interference in the double slit experiment?
Sep 7, 2025 · According to recent podcast between Jacob Barandes and Sean Carroll, Barandes claims that putting a sensitive qubit near one of the slits of a double slit interference experiment is sufficient …
How Do You Transform Qubit States Between Different ... - Physics …
Nov 14, 2018 · Anyone know how to change a basis of a qubit state of bloch sphere given a general qubit state? There are 3 different basis corresponding to each direction x,y,z where |1> ,|0> is the z …