User contributions for DavidMorris
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29 April 2010
- 23:4423:44, 29 April 2010 diff hist +100 Phy5646 →'''<span style="color:#2B65EC">Problems</span>'''
- 23:4323:43, 29 April 2010 diff hist +685 N Phy5646:Problem 7.1 Solution New page: =Question= Show that there is only one group of order 3. =Solution= Let <math>G</math> be our group and <math>e, a, b \in G</math>. Such that <math>a</math>, <math>b</math>, <math>e</math... current
- 22:2522:25, 29 April 2010 diff hist +58 Phy5646 →Elementary Applications of Group Theory in Quantum Mechanics: Added problems section
30 March 2010
- 16:0016:00, 30 March 2010 diff hist +1 Phy5646 →'''<span style="color:#2B65EC">Formalism</span>'''
- 15:5715:57, 30 March 2010 diff hist +1 Phy5646 →'''<span style="color:#2B65EC">Formalism</span>'''
29 March 2010
- 01:0401:04, 29 March 2010 diff hist +6 Phy5646 →'''<span style="color:#2B65EC">Spin 1/2 Angular Momentum</span>'''
28 March 2010
- 20:3420:34, 28 March 2010 diff hist +38 Phy5646 →'''<span style="color:#2B65EC">Berry Phase</span>'''
26 February 2010
- 01:4701:47, 26 February 2010 diff hist −1 m Phy5646 →'''<span style="color:#2B65EC">Electric Dipole Transitions</span>'''
- 01:4601:46, 26 February 2010 diff hist −1 m Phy5646 →'''<span style="color:#2B65EC">Electric Dipole Transitions</span>'''
- 00:1900:19, 26 February 2010 diff hist 0 m Phy5646 →'''<span style="color:#2B65EC">Electric Dipole Transitions</span>'''
25 February 2010
- 22:4322:43, 25 February 2010 diff hist 0 m Phy5646 →'''<span style="color:#2B65EC">Electric Dipole Transitions</span>'''
- 18:4118:41, 25 February 2010 diff hist −1 m Phy5646 →'''<span style="color:#2B65EC">Electric Dipole Transitions</span>'''
5 February 2010
- 00:4800:48, 5 February 2010 diff hist +1 m Phy5646 →''' <span style="color:#2B65EC"> Harmonic Perturbation Theory </span> '''
- 00:4100:41, 5 February 2010 diff hist 0 m Phy5646 →''' <span style="color:#2B65EC"> Formalism </span> '''
- 00:3200:32, 5 February 2010 diff hist 0 m Phy5646 →''' <span style="color:#2B65EC"> Formalism </span> '''
- 00:1900:19, 5 February 2010 diff hist +1 m Phy5646 →''' <span style="color:#2B65EC"> Formalism </span> '''
4 February 2010
- 16:0716:07, 4 February 2010 diff hist +31 Phy5646 →''' <span style="color:#2B65EC"> Degenerate Perturbation Theory </span> ''': Fixed typo in Degenerate Perturbation Theory
8 December 2009
- 19:0719:07, 8 December 2009 diff hist +38 Phy5645 →WKB Approximation: Re-extended formula that was undone by Suvadip Das
- 18:4618:46, 8 December 2009 diff hist +38 Phy5645 →WKB Approximation: Clarified description of formula for transformation from momentum to x in the asymptotics.
- 00:0700:07, 8 December 2009 diff hist +36 Phy5645 →WKB Approximation: Extended formula.
7 December 2009
- 22:5722:57, 7 December 2009 diff hist +86 Phy5645 →WKB Approximation: Re-set Airy typesetting changes undone by Raman
- 22:1122:11, 7 December 2009 diff hist +6 Phy5645 →WKB Approximation: Corrected formula describing requirement on |x| based on requirement on |p|^3 near the turning point
- 21:1221:12, 7 December 2009 diff hist +66 Phy5645 →WKB Approximation: Typeset Airy function names
- 21:0221:02, 7 December 2009 diff hist +21 Phy5645 →WKB Approximation: Clarified "center the turning point at the origin"
- 20:1220:12, 7 December 2009 diff hist +1 m Phy5645 →WKB Approximation
- 20:0920:09, 7 December 2009 diff hist −19 Phy5645 →WKB Approximation: Simplified momentum p(x) going to zero in Example 1.
- 19:5719:57, 7 December 2009 diff hist +5 m Phy5645 →WKB Approximation
- 19:5519:55, 7 December 2009 diff hist +4 Phy5645 →WKB Approximation: Corrected WKB solution to Schroedinger equation in Example 1 for x >> a.
- 19:5219:52, 7 December 2009 diff hist +1 m Phy5645 →WKB Approximation
- 19:4619:46, 7 December 2009 diff hist −16 Phy5645 →WKB Approximation: Clarified wording of Example 1.
- 19:3519:35, 7 December 2009 diff hist +18 Phy5645 →WKB Approximation: It's an exact solution if V(x) is constant, x is an independent variable, so "if x is constant" is not meaningful.
- 19:2519:25, 7 December 2009 diff hist −5 m Phy5645 →WKB Approximation
- 19:2319:23, 7 December 2009 diff hist +94 Phy5645 →WKB Approximation: Changed the single positive solution provided by the WKB approximation to the multiple solutions.
- 19:0519:05, 7 December 2009 diff hist +5 Phy5645 →WKB Approximation: Added absolute value bars to momentum in classically inaccessible region formula.
1 December 2009
- 02:3702:37, 1 December 2009 diff hist +7 Phy5645 →Born approximation and examples of cross-section calculations: changed \hat r to \hat k' as from Merzbacher's book in the LHS of the Born approximation, as the RHS is from Merzbacher's book.
19 November 2009
- 14:3614:36, 19 November 2009 diff hist +6 Phy5645 →Problems: Added a hat to the momentum operator.
- 14:3414:34, 19 November 2009 diff hist −8 Phy5645:Problem 4.1 Solution →Solution: Fixed exponential of p current
15 November 2009
- 22:4322:43, 15 November 2009 diff hist 0 File:Energy levels of H atom.jpeg uploaded a new version of "Image:Energy levels of H atom.jpeg": Cropped jpeg to size of actual image. current
29 October 2009
- 23:3223:32, 29 October 2009 diff hist −8 Phy5645 →WKB: Asserted that the potential must be slowly varying in the limit of h_bar -> 0. The old wording did not require this.
19 October 2009
- 13:5813:58, 19 October 2009 diff hist +214 Phy5645:Problem 4.1 Solution →Solution: Proved operator to be unitary.
15 October 2009
- 02:5802:58, 15 October 2009 diff hist +1,625 N Talk:Phy5645:Problem 4.1 Solution New page: Work in progress: It is now shown that <math>\tilde{U}(a)</math> is unitary, i.e. <math>\tilde{U}(a)^\dagger = \tilde{U}(a)^{-1}</math>: <math> \tilde{U}(a)^\dagger = e^{ (i)^\dagger \f... current
- 02:3702:37, 15 October 2009 diff hist +511 Phy5645:Problem 4.1 Solution →Solution
- 01:2601:26, 15 October 2009 diff hist +1 m Phy5645:Problem 4.1 Solution →Solution: Fixed parenthesis
- 01:2501:25, 15 October 2009 diff hist +50 Phy5645 →Problems: Added link to the solution of Problem 4.1
- 01:2301:23, 15 October 2009 diff hist +2,073 N Phy5645:Problem 4.1 Solution Began solution to Problem 4.1
- 00:2500:25, 15 October 2009 diff hist +2 m Phy5645 →Problems: Modified problem number
- 00:2200:22, 15 October 2009 diff hist +238 Phy5645 →Problems: Added Problem 1 to Chapter 4
- 00:0700:07, 15 October 2009 diff hist +18 Phy5645 →Operators, eigenfunctions, symmetry, and time evolution: Added a Problems section
9 October 2009
- 12:4012:40, 9 October 2009 diff hist −1 m Phy5645 →Motion in electromagnetic field: fixed spelling typo