Phys 8010

Advanced Classical Mechanics

Textbook: Herbert Goldstein, Classical Mechanics, , Addison-Wesley, Reading, MA, 1980
Supplementary text: L.D. Landau and E.M. Lifshitz, Mechanics, Pergamon, New York, 1976.
Supplementary text: Alexander L. Fetter and John Dirk Walecka, Theoretical Mechanics of Particles and Continua, McGraw-Hill, New York, 1980
 

SYLLABUS

   1. Variational approach

          Calculus of variations, Euler-Lagrange equations.
          Hamilton’s Principal Function ("Action"), Hamilton's Principle.
          Cyclic coordinates, invariance to transformations and conservation laws
          Electromagnetic fields and Lagrangian.
          Lagrange’s multipliers and forces of constraints

   2. Newton Laws and Conservation Laws

Newton laws. Inertial systems
Center of mass and conservation of momentum.
Angular momentum. Conservation of angular momentum in the c.o.m. system
Conservation of energy
Mechanics of car driving.

   3. Central Forces

          Reduction to one-body problem in the general case. Effective mass
          Conservation of angular momentum and areal velocity
          Effective potential and reduction to one-dimensional motion.
          Gravitational (Coulomb) field and Keppler's laws.
          Quasi-periodic motion and Bertrand theorem.

   4. Infinite motion and scattering problem

          Scattering cross section
          Infinite motion in a gravitational (Coulomb) potential: Hyperbolic orbits
          Rutherford scattering.
          Scattering by a hard sphere
          Small angle scattering.

   5. Non-inertial coordinate systems (subject to omission)

          Rotating systems, infinitesimal rotations
          Accelerations
          Coriolis and centrifugal forces
          Motion on the surface of the Earth

   6. From Newton’s Equations back to Lagrangian Formalism

          Constraints and generalized coordinates
          Virtual displacements and d'Alembert principle
          Lagrangian equations
          Generalized momenta and integrals of motion.

  7. Small oscillations

          Coupled problem
          Linear equations (review)
          General solution
          Matrix formalism
          Normal modes.
          Many-body problems: Springs and beads (optional)

  8. Rigid Bodies (subject to revision)

          Rotation about a fixed center and free rotation
          Inertia tensor.
          Rotational and translational motion.
          Fixed-body frame: Euler equations
          Rotating bodies: Some applications
          Compound pendulum
          Torque-free symmetric top (a model of molecule rotation and deformed nuclei)
          Asymmetric top
          Euler angles
          Symmetric top with a fixed point. Precession and nutation.

 11. Hamiltonian dynamics (Canonical formalism)

     Hamiltonian and Hamilton’s equations
     Modified Hamilton's principle
     Canonical transformations
     Poisson brackets as canonical invariants. Transition to quantum mechanics
     Infinitesimal canonical transformations and conservation laws
     Hamilton-Jacobi equation as a formulation of classical mechanics
     Hamilton’s characteristic function and quantum-mechanical phase
     Action-angle variables

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