Quantum Sensors: How They Beat Classical Limits
How quantum sensors use superposition and entanglement to measure fields, time and motion more precisely than classical instruments can.
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739 articles
Quantum Theory of Light: Photons and Where They Fit
The quantum theory of light from Planck’s hypothesis and Einstein’s photons to the photoelectric effect, energy quantization and complementarity.
Wave-Particle Duality: The Experiment That Shows It
Wave-particle duality explained through Young’s double-slit experiment: how light and matter show both behaviors, and Bohr’s complementarity principle.
Quantum Gravity (QG): Terms and Core Concepts
Core terms of quantum gravity explained: string theory, loop quantum gravity, causal dynamical triangulation, gravitons and quantum black holes.
Quantum Waves: What a Wavefunction Describes
What a wavefunction describes: wave-particle duality, superposition, wave packets, interference, tunneling and the measurement problem.
Theories of Quantum Gravity: Strings vs Loops
Two leading theories of quantum gravity compared: string theory and loop quantum gravity, plus emergent gravity and the information paradox.
Quantum Yield: How Efficiency Is Measured
Quantum yield is the fraction of absorbed photons that produce a given effect. How it is measured and why it matters in fluorescence, LEDs and solar cells.
What Is Quantum Tunnelling?
Quantum tunneling lets particles cross energy barriers they classically could not. The physics, tunneling probability, experiments and technologies.
The Quantum Zeno Effect: Watching Stops Change
The quantum Zeno effect: how frequent measurement slows or stops a quantum system’s evolution, the experiments that showed it, and its uses.
Quantum Universe Theory: Cosmology at Small Scale
How quantum mechanics meets cosmology: quantum fluctuations in the early universe, quantum gravity concepts and the hypotheses of quantum cosmology.
Every Major Quantum Algorithm, Listed
The major quantum algorithms in one place: Grover, Shor, QFT, Simon, phase estimation, QAOA, quantum walks, HHL, VQE and amplitude estimation.
Quantum Algorithms: An Overview of What Exists
An overview of quantum algorithms: their history, the quantum Fourier transform, amplitude amplification, Deutsch-Jozsa, Simon and phase estimation.