Quantum Physics & Computing Overview
Quantum Physics
Quantum Computing
Applications
Quantum Physics
Quantum physics studies the behavior of matter and energy at atomic and subatomic scales. It reveals phenomena like superposition, entanglement, and wave-particle duality that differ fundamentally from classical physics.
- Superposition: Particles can exist in multiple states simultaneously.
- Entanglement: Particles become correlated such that the state of one instantly influences another, regardless of distance.
- Quantum Uncertainty: There are fundamental limits to how precisely we can measure certain pairs of properties.
Quantum Computing
Quantum computing leverages quantum mechanics principles to perform computations that would be infeasible on classical computers. Qubits can represent 0, 1, or both simultaneously, enabling massive parallelism.
- Qubits: Quantum bits capable of superposition.
- Quantum Gates: Operations that manipulate qubits through unitary transformations.
- Quantum Algorithms: Algorithms like Shor’s and Grover’s demonstrate quantum advantage.
Applications
Quantum technologies promise breakthroughs in cryptography, optimization, simulation of molecular systems, and more.
- Quantum Cryptography: Unconditionally secure communication protocols.
- Quantum Simulation: Modeling complex quantum systems beyond classical capability.
- Optimization: Faster solving of combinatorial problems in logistics and finance.