Quantum Mechanics Paperback English by Harish Parthasarathy - 2017
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| Publisher | Manakin Press |
| ISBN 13 | 9789386221872 |
| Book Description | This book covers the entire span of quantum mechanics whose developments have taken place during the early part of the twentieth century uptil the present day. We start with the Rutherford-Bohr model of the atom followed by Schrodinger's wave mechanics with its application to the solution of calculating the energy spectrum of a particle in a box, the harmonic oscillator and finally the hydrogen atom. Heisenberg's matrix mechanics and its duality with Schrodinger's wave mechanics, quantum mechanics in the interaction picture. Dirac's relativistic theory of the electron exhibiting the spin of the electron as a relativistic effect when it interacts with an external electromagnetic field. Feynman's path integral approach to non-relativistic quantum mechanics with is a marvellous intuitive interpretation as a sum over paths and how classical mechanics is obtained from its limit as Planck' constant tends to zero, methods for computing the spectra of the Dirac Hamiltonian in a radial potential, quantum field theory as developed by Feynman, Schwinger, Tomonaga and Dyson for describing the interaction between electrons, positrons, and photons via propagators using both the operator theoretic expansions and Feynman's path integral. We also introduce time independent and time dependent perturbation theory in quantum mechanics with applications to quantum gate design for quantum computers forming a major part of the research conducted by the author's research group, Quantum noise introduced into the Schrodinger and Dirac's equation based on the Hudson-Parthasarathy quantum stochastic calculus in Boson Fock space , scattering theory and wave operators with applications to quantum gate design, some aspects of second quantization like the interpretation of Boson Fock space in terms of harmonic oscillator algebras and the BCS theory of superconductivity, Wigner-Mackey-Frobenius theory of induced representations of a group with applications to Wigner's theory of particle classification, Dirac's equation in a gravitational field and Yang-Mills non-Abelian gauge theories with application to the construction of unified quantum field theories and finally, the more recent theory of super-symmetry which is a Boson-Fermion unification theory. We have discussed the statistics of Boson's, Fermions and Maxwell-Boltzmann based on entropy maximization. The book is written in problem-solution format and it would be of use to physicists and engineers interested respectively in developing unified field theories and in the design of quantum gates. The book contains several appendices which discuss mathematical aspects of quantum mechanics like linear algebra, operator theory, probability theory, and now and then some physical aspects too. One of the appendices discusses a quantum version of Shannon's noisy coding theorem for transmission of classical information by encoding it into quantum states and applying detection operators. Another appendix contains the Knill-Laflamme theorem involving the construction of recovery operators for a state transmitted over a quantum channel. These two developments form the recent advances in quantum communication theory with major contributions from Andreas Winter and A.S.Holevo. |
| Language | English |
| Author | Harish Parthasarathy |
| Publication Date | 2017 |
| Number of Pages | 225 |
Quantum Mechanics Paperback English by Harish Parthasarathy - 2017
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