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  • Rabi Oscillations

    Introduction Rabi oscillations, named after Isidor Isaac Rabi, are coherent oscillations of an atomic system in a two-level quantum mechanical state due to the application of an external oscillating field. The phenomenon is of fundamental importance in quantum mechanics and is a key principle behind technologies like nuclear magnetic resonance (NMR) and quantum computing. Basic…

  • Problem 7.10 (Schroeder’s Intro to Thermal Physics)

    Problem 7.10 Consider a system of five particles, inside a container where the allowed energy levels are nondegenerate and evenly spaced. For instance, the particles could be trapped in a one-dimensional harmonic oscillator potential. In this problem you will consider the allowed states for this system, depending on whether the particles are identical fermions, identical…

  • Problem 3.10 – Griffith’s Intro to QM

    Problem 3.10 Is the ground state of the infinite square well an eigenfunction of momentum? If so, what is its momentum? If not, why not? [For further discussion, see Problem 3.34.] Solution: Problem 3.10 Solution (Download)

  • Problem 1.29 (Schroeder’s Intro to Thermal Physics)

    Problem 1.29 A cup containing 200 g of water is sitting on your dining room table. After carefully measuring its temperature to be , you leave the room. Returning ten minutes later, you measure its temperature again and find that it is now . What can you conclude about the amount of heat added to…