Quantum Mechanics
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  • 1. QUANTUM MECHANICS What is Quantum Mechanics? A branch of Physics which deals with physical phenomena at microscopic scales.
  • 2.       Black body radiation Instability of classical atoms Quantization of certain physical properties Wave-particle duality Uncertainty Principle Quantum Entanglement Why Do We Need Quantum Mechanics?
  • 3. How does a quantum system work? Quantum System Quantum State Operator Eigen State Wave function
  • 4. A set of mathematical variables that maximally describes a quantum system but not fully. Types of quantum states 1. Pure quantum states 2. Mixed quantum states Quantum State
  • 5.  Why do particles behave as  Where does the relation of waves? momentum, p, Plank’s constant, h, and wavelength come from?  How does the double slit experiment show wave-particle duality? Wave-Particle Duality
  • 6.  Why can’t we measure position and momentum of a particle simultaneously?  What constitutes a measurement?  What does the Uncertainty Principle predict? Uncertainty Principle
  • 7. If a physical system may be in some configuration, and if the physical system could be in another configuration then it is in a state which is a superposition of the two.  What if the system is definitely in one state?  Why should there be quantum superposition?  How do we know the intermediate character?  What are the predictions of quantum superposition?  Quantum Superposition
  • 8.  A system stops being in the superposition of states and becomes either one or the other when an observation takes place. Schrodinger’s cat paradox
  • 9. It occurs when particles interact physically and then become separated; the type of interaction is such that each resulting member of a pair is properly described by the same quantum mechanical description (state) which is indefinite in terms of factors such as position, momentum, spin, polarization.  Applications of entanglement  Quantum Teleportation  Super dense coding  Quantum Entanglement
  • 10.  A process by which a qubit (the smallest unit of quantum information) can be transmitted exactly from one location to another, without the qubit being transmitted through the intervening space. Quantum Teleportation
  • 11. Quantum Teleportation between Flying (Photonic) and Stationary (Atomic) Qubits