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Chap. 20 in Shankar: The Dirac equation for a hydrogen atom

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Presentation on theme: "Chap. 20 in Shankar: The Dirac equation for a hydrogen atom"— Presentation transcript:

1 Chap. 20 in Shankar: The Dirac equation for a hydrogen atom
PHY 741 Quantum Mechanics 12-12:50 AM MWF Olin 103 Plan for Lecture 34: Chap. 20 in Shankar: The Dirac equation for a hydrogen atom Angular and spin components Radial components Comparison with non-relativistic results 11/27/2017 PHY 741 Fall Lecture 34

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4 Dirac equation for Fermi particle in a scalar potential field
11/27/2017 PHY 741 Fall Lecture 34

5 Dirac equation for electron in the field of a H-like ion
11/27/2017 PHY 741 Fall Lecture 34

6 Dirac equation for electron in the field of a H-like ion -- continued
11/27/2017 PHY 741 Fall Lecture 34

7 Dirac equation for electron in the field of a H-like ion -- continued
We can show that: 11/27/2017 PHY 741 Fall Lecture 34

8 Dirac equation for electron in the field of a H-like ion -- continued
11/27/2017 PHY 741 Fall Lecture 34

9 Dirac equation for electron in the field of a H-like ion -- continued
11/27/2017 PHY 741 Fall Lecture 34

10 Dirac equation for electron in the field of a H-like ion -- continued
11/27/2017 PHY 741 Fall Lecture 34

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19 Dirac equation for electron in the field of a H-like ion
Comparison with Schroedinger equation -- Schematic diagram: 3d5/2 3s,3p,3d 3p3/2,3d3/2 3s1/2,3p1/2 2s,2p 2p3/2 2s1/2,2p1/2 1s 1s1/2 11/27/2017 PHY 741 Fall Lecture 34

20 Some details 11/27/2017 PHY 741 Fall Lecture 34

21 More details about ground state of H-like ion from Dirac equation
11/27/2017 PHY 741 Fall Lecture 34

22 More general treatment of bound states of Fermi particle within spherical potential V(r)
11/27/2017 PHY 741 Fall Lecture 34

23 Practical solution of radial portions of Dirac equation
11/27/2017 PHY 741 Fall Lecture 34


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