Quantum Neural Networks (QNNs): How They Are Built
How quantum neural networks are built from parameterized quantum circuits, how they are trained and where they might be useful.
BasicsAlgorithmsHardwareError CorrectionCryptographyMachine LearningInformation TheoryPhysics & SimulationApplicationsIndustry & Careers
Tagged: Superposition
333 articles
Quantum Transport in Nanostructures, Explained
How electrons move through nanowires, quantum dots and other nanostructures, and how confinement and tunneling shape device behavior.
Quantum Wave Packet Dynamics and Spreading
A wave packet is a localized quantum state that spreads over time. Its evolution under the Schrödinger equation, tunneling, revivals and experiments.
Quantum Causal Information Flow and Its Measures
How information flows causally through quantum systems, the frameworks and graphs used to describe it, and the challenges posed by entanglement.
Quantum Max-Entropy and Its Operational Meaning
Max-entropy is the partner of min-entropy. Its definition and operational meaning in data compression and quantum information processing.
Quantum Min-Entropy and Extractable Randomness
Min-entropy measures the maximum probability of guessing a value. How its quantum version sets how much randomness can be extracted.
Quantum Distinguishability Measures, Compared
Distinguishability measures for quantum states compared: trace distance, fidelity, relative entropy and others, with their uses.
Quantum Information Flow Through a Circuit
How quantum information moves through a circuit: encoding, gates, entanglement, measurement and the limits information theory places on it.
Quantum Private Channels and Perfect Secrecy
Private channels transmit quantum information with perfect secrecy against an eavesdropper. Private capacity, QKD and practical limits.
Quantum Causal Models: Cause and Effect With Qubits
Quantum causal models extend causal graphs to quantum systems and help explain correlations. The framework and what it clarifies.
Quantum Causal Networks and Their Structure
Quantum causal networks describe how cause and effect work between quantum systems. Their structure, properties and relation to non-locality.
Amplitude Damping Channels and Energy Loss
The amplitude damping channel models energy loss, such as a qubit decaying to its ground state. Its Kraus operators, effects and correction.
