Make it Complex to Simplify

  • Thanu Padmanabhan
Part of the Lecture Notes in Physics book series (LNP, volume 895)


In Chapter  17, we discussed how one can study the time evolution of a quantum wavefunction using a path integral propagator expressed as a sum over paths. We also showed that, when the Hamiltonian H is time independent, the kernel can be expressed in terms of the energy eigenfunctions through the formula:


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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Thanu Padmanabhan
    • 1
  1. 1.Inter-University Centre for Astronomy and AstrophysicsPuneIndia

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