Chapter 2
Semiclassical Conceptual Models
Part I: Classical Position Probability Densities (Sect. 2.1)
Probabilistic formulation (Sect. 2.1.1)
Molecules in a room (Sect. 2.1.2)
Dwell time formulation
Cauchy's integral theorem
Poles of the Kepler problem
The angular libration integral
EKB orbits, n=4
EKB orbits, n=1,2,3
Periapsis and apoapsis
nd orbitals
EBK and QM radial wave functions (Sect. 2.4.5)
Y(1s),
Y(2s),Y(2p)
Y(3s),
Y(3p),Y(3d)
Y(n=40,l=20)
QM distributions
Classical vs QM
continued
Recent publications
Curtis & Ellis, Use of the EBK action
quantization, Am.J.Phys. 72, 1521 (2004)
Curtis & Ellis, Probabilities as a Bridge
between Classical & QM Treatments, Eur.J.Phys. B 27 /B , 485 (2006)>
Larkoski, Ellis, & Curtis, Numerical
implementation of the EBK quantization for arbitrary
potentials, Am.J.Phys. 74, 572 (2006)
Part III: Applications to Atoms and Planets (Sect. 2.4.7)
Perturbed energy and Precession
Mechanics and electrodynamics of moving bodies
Maxwell's equations
Woldemar Voigt's 1887 discovery
Voigt bio
Einstein, Ann. Phys, Chim 17, 890-921 (1905).
English translation
Length contraction and time dilation
Model for a current in a wire
Force between a moving charge and a current
Reverse direction
Relativistic corrections to the kinetic energy (Sect. 2.4.8)
E=mc2
Average value of KE-squared
EBK values
Magnetic moments
Torque on a current loop
Magnetic moment of an orbiting charge
Magnetic moment of a Dirac electron
Speed of an electron of finite radius
Zitterbewegung of a point charge
Relativistic corrections to the potential energy (Sect. 2.4.9)
Spin-orbit fine structure
Gen.Rel. and spin-orbit
EKB and QM formulations
Classical and QM k operators
Strengths of internal fields
Thomas precession g-1, not g/2
Combining relativistic corrections
Combining relativistic mass and spin-orbit
Explicit calculations for spin 1/2
Expansion of the Dirac equation
Core polarization model (Sect. 2.4.10)
Hydrogen, hydrogenlike, and Rydberg atoms
The two-center problem
Multipole expansion
Multipole energy corrections
Classical formulation
EBK expectation values
Na-like P IV example
Polarization plot
Planetary perturbations (Sect. 2.4.11)
The two-center problem
Potential due to a ring of charge
Perturbations of the Planets
Masses and orbital data
Effects on the period of Mercury
Test of relativity
Part IV: Self-Consistent Fields for Many-Electron Atoms (Sect. 2.4.12)
Semiclassical Self-Consistent Field Calculations
Potential energy with screening
1-D radial probability distribution
Newton-Raphson method
Schematic
EBK for the Many Body Problem
Y(QM) and
Y(EBK)
Comparison with HF for Na seq
Artifact in Cu seq
Relativistic Semiempirical Formulation (Sect. 2.4.13)
Relativistic radial momentum
In terms of alpha
Repeat SCSCF
Collapse of the Maslov Perihelion
Calculated examples of turning points
Redistribution
Relativistic angle-action
HOMEWORK ASSIGNMENT #1: Due Monday 24 September
2007
EBK quantization program
Average value program
Compare with exact solution
Curtis & Ellis,
Probabilities as a Bridge between Classical & QM Treatments,
Eur.J.Phys. 27, 485 (2006)
Larkoski, Ellis & Curtis, Numerical
implementation of the EBK quantization for arbitrary
potentials, Am.J.Phys. 74, 572 (2006)
SHO example
losning
Part V: Time-Dependent Processes (Sect. 2.5)
Semiempirical formulation of the decay meanlife
Maxwell Radiation
Classical vs QM
Wien's model (Sect. 2.5.1)
Correspondence limit
Wien model
Compare with experiment
Expelling two action quanta
Compare to QM
Large n limit
Worst case value
Blending
Wien's paper (1)
Wien's paper (2)
Wien's paper (3)
Noble employment
Review
Oscillator stength (Sect. 2.5.2)
Branched decay
Express as oscillators
Relationships between absorption and emission
Chapt. 1
Chapt. 3
Chapt. 4
Chapt. 5
Chapt. 6
Chapt. 7
Chapt. 8
Chapt. 9
Chapt. 10
Chapt. 11
Chapt. 12
Chapt. 13
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Trojan asteroids
Trojan asteroids (animation)
Trojan asteroids (still)
Wave packets of
high Rydberg states
Animation
Whole number of heartbeats per cycle
Box, SHO, Kepler
Wavelengths of light emitted