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How Does a Qubit Exist as Both 1 and 0 Simultaneously? A qubit exists in a state of quantum superposition, allowing it to represent both 1 and 0 simultaneously until it is measured This phenomenon is not merely an analogy but a fundamental aspect of quantum mechanics The discussion highlights the importance of understanding superposition in quantum computing, particularly in relation to how qubits differ from classical bits For further
Quantum computer storage capacity - Physics Forums The discussion revolves around the storage capacity of quantum computers, specifically the relationship between qubits and data storage Participants explore the implications of qubit counts on data capacity, the definitions of terms like "quantum bytes," and the accuracy of claims regarding data equivalence One participant questions whether 32 qubits can indeed store the equivalent of 500 MB
QM Qubit state space representation by Projective Hilbert space Discussion Overview The discussion centers on the mathematical representation of quantum systems, specifically the state space of qubits within the framework of projective Hilbert space Participants explore the distinction between abstract Hilbert spaces and concrete representations, as well as the implications for understanding qubit states
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
Information content of a qubit - Physics Forums A qubit theoretically contains infinite information due to its representation on the unit sphere, allowing for an infinite number of states The discussion references Neilson and Chuang's work on quantum computing, emphasizing that while a qubit's state can be described by two complex coefficients, the complete description requires infinite classical information The Shannon-Jaynes-von Neumann
Why Entangled Photon-Polarization Qubits Violate Bells Inequality per . . . Let me start by deriving the photon-polarization qubit probabilities using Information Invariance Continuity from the information-theoretic reconstruction of quantum mechanics, just as I did to derive the spin- qubit probabilities in this Insight, this paper, and “ Einstein’s Entanglement: Bell Inequalities, Relativity, and the Qubit
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
A question about Qubit (number of states) • Physics Forums The discussion remains unresolved regarding the interpretation of qubit states and their implications Some participants highlight the probabilistic nature of qubits and the impact of measurement on their states, indicating a need for clarity on the definitions and assumptions related to qubit behavior
Quantum Physics Forum • Physics Forums 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
Finding E_J Value of a Qubit: Step-by-Step Guide - Physics Forums The discussion revolves around finding the E_J value of a qubit, specifically a 3D transmon, through microwave measurements and theoretical expressions Participants explore the methodologies for determining E_J, including the relationship between E_J and E_C, and the use of spectroscopy data