Donor-Based Quantum Computing in Silicon
Donor-based quantum computing uses single phosphorus or other donor atoms in silicon as qubits. How they are placed, controlled and scaled.
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Tagged: Superposition
333 articles
Electron Spin Resonance Qubits, Explained
Electron spin resonance qubits are controlled with microwave pulses. How spin manipulation works, coherence techniques and current challenges.
Silicon-Based Quantum Computing and Its Advantage
Silicon qubits could reuse chip-industry manufacturing. How spin qubits in silicon work, their advantages and the coherence and control challenges.
Cavity Quantum Electrodynamics: Light in a Box
Cavity quantum electrodynamics studies atoms interacting with light trapped between mirrors. Strong coupling, Rabi splitting and uses in computing.
Quantum Annealers: What the Hardware Actually Does
What quantum annealers such as D-Wave’s physically do, how they differ from gate-based computers, and what real use cases show about their limits.
Molecular Quantum Computing: Molecules as Qubits
Molecular quantum computing stores qubits in the spins or states of molecules. Principles, possible applications, advantages and challenges.
Quantum Fractals: Self-Similarity in Wavefunctions
Fractal patterns appear in some quantum systems, from Hofstadter’s butterfly to fractal wavefunctions. Their origins, properties and uses.
Quantum Thermodynamics: Heat and Work With Qubits
Quantum thermodynamics asks how heat, work and entropy behave in quantum systems. Quantum engines, refrigerators, Maxwell’s demon and work extraction.
Quantum Metrology: Precision Beyond Shot Noise
How quantum metrology beats the shot-noise limit, and its uses in atomic clocks, navigation, astronomy, healthcare and manufacturing.
Quantum Game Theory: Strategies With Entanglement
Quantum game theory lets players use entangled strategies. How this changes outcomes in games such as the prisoner’s dilemma.
Solid-State NMR Quantum Computing Explained
Solid-state NMR quantum computing encodes qubits in nuclear spins in crystals. Its advantages over liquid NMR, challenges and prospects.
Liquid-State NMR Quantum Computing and Its Ceiling
Liquid-state NMR ran the first small quantum algorithms using nuclear spins in molecules. How it worked and why it cannot scale far.
