File:Wignerfunction fock 2.png
Size of this preview: 800 × 500 pixels. Other resolutions: 320 × 200 pixels | 640 × 400 pixels | 1,024 × 640 pixels | 1,280 × 800 pixels | 2,000 × 1,250 pixels.
Original file (2,000 × 1,250 pixels, file size: 748 KB, MIME type: image/png)
 | This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
| Description |
English: Wigner function of a Fock state with photon number n=2. |
| Date | |
| Source |
Own work This diagram was created with Mathematica by n. |
| Author | Geek3 |
Source code
fock[n_, q_, p_] := (-1)^n /
Pi Exp[-q ^2 - p^2] LaguerreL[n, 2 q^2 + 2 p^2];
rq = 4; rp = 4; t = 0.003; FontS = 20;
For[n = 0, n <= 4, n++, plot = Show[Plot3D[fock[n, q, p],
{q, -rq, rq}, {p, -rp, rp}, ImageSize -> 800,
Mesh -> {Range[-Floor[rq], Floor[rq] ],
Range[-Floor[rp], Floor[rp] ], Range[-1, 1, 1/4]/Pi},
MeshFunctions -> {#1 &, #2 &, #3 &},
MeshStyle -> {Directive[Black, Thickness[t] ],
Directive[Black, Thickness[t] ],
Directive[White, Thickness[t] ]},
PlotRange -> {-1/Pi, 1/Pi}, PlotPoints -> 81, MaxRecursion -> 4,
Method -> {Refinement -> {ControlValue -> 0.02} },
PerformanceGoal -> "Quality",
PlotStyle -> Opacity[0.85], Lighting -> "Classic",
ColorFunction -> ({RGBColor[1, 1, 0.75], Glow[GrayLevel[0.06] ],
Specularity[0.5, 60]} &),
Axes -> False, Boxed -> False,
ViewPoint ->
FromSphericalCoordinates[{Sqrt[229/20], Pi/3, -0.64 Pi}] ],
Graphics3D[{Thickness -> t, Black,
Line[{ {-rq, rp, 0}, {-rq, -rp, 0}, {rq, -rp, 0} }]}],
Graphics3D[{Thickness -> t, Black,
Line[{ {-rq, rp, -1/Pi}, {-rq, rp, 1/Pi} }]}],
(* q ticks *)
Sequence @@
Table[Graphics3D[{Thickness -> t, Black,
Line[{ {x, -rp, 0}, {x, -0.2 - rp, 0} }]}], {x, -Floor[rq],
Floor[rq]}],
(* p ticks *)
Sequence @@
Table[Graphics3D[{Thickness -> t, Black,
Line[{ {-rq, y, 0}, {-rq - 0.2, y, 0} }]}], {y, -Floor[rp],
Floor[rp - 1/2]}],
(*W ticks *)
Sequence @@
Table[Graphics3D[{Thickness -> t, Black,
Line[{ {-rq, rp, z/(2 Pi)}, {-rq - 0.2, rp,
z/(2 Pi)} }]}], {z, -2, 2}],
(* box *)
(*Graphics3D[{Thickness\[Rule]t/2,Gray,Line[{ {rq,-rp,1/Pi},{rq,rp,
1/Pi},{-rq,rp,1/Pi} }],Line[{ {rq,rp,0},{rq,rp,1/Pi} }],
Line[{ {rq,-rp,0},{rq,-rp,1/Pi} }]}],*)
(* axes labels *)
Graphics3D[Text[Style["q", FontS, Black], {0, -rp*1.15, -0.07}] ],
Graphics3D[Text[Style["p", FontS, Black], {-rq*1.15, 0, -0.07}] ],
Graphics3D[
Text[Style["W", FontS, Black], {-rq*0.93, rp*0.93, 0.8/Pi}] ],
Sequence @@
Table[Graphics3D[{Text[
Style[TextString[x], FontS,
Black], {x, -rp - 0.10 Max[rq, rp], 0}, {0,
1}]}], {x, -Floor[rq], Floor[rq]}],
Sequence @@
Table[Graphics3D[{Text[
Style[TextString[y], FontS, Black], {-rq - 0.10 Max[rq, rp],
y, 0}, {0, 1}]}], {y, -Floor[rp], Floor[rp - 1/2]}],
Sequence @@
Table[Graphics3D[{Text[
Style[If[z == 0, "0", ToString[z/(2 Pi), TraditionalForm] ],
FontS, Black], {-rq - 0.3, rp, z/2/Pi}, {1, 0}]}], {z, -2,
2}],
BoxRatios -> {Automatic, Automatic, 6}, PlotRange -> All
];
trim = { {0., .25}, {.95, .91} };
imgname = "Wignerfunction_fock_" <> TextString[n] <> ".png";
Export[imgname,
ImageResize[
ImageTrim[Image[plot, ImageResolution -> 400], trim,
DataRange -> { {0, 1}, {0, 1} }], 2000, Resampling -> "Linear"] ];
]
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:45, 20 May 2019 | | 2,000 × 1,250 (748 KB) | Geek3 | User created page with UploadWizard |
File usage
The following page uses this file:
Global file usage
The following other wikis use this file:
- Usage on de.wikipedia.org
- Usage on fa.wikipedia.org
- Usage on ko.wikipedia.org
