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- Main Page (3,257 bytes)
9: This is a [[w:Wiki|wiki]] for the research groups of [http://math.mit.edu/~stevenj Steven G. Johns...
14: * Give our group members an easy way to post information about the... - Current events (522 bytes)
1: ...rs, ping-pong games, and so on of interest to our groups at MIT.
3: Please note that internal group meetings and so on are not open to the general pu...
6: * Friday, December 9 2005, 12 noon: JJ/SGJ/MS group meeting (talk by Ivan Celanovic).
8: * Friday, October 28 2005, 12 noon: JJ/SGJ/MS group meeting (talk by Marin). - H5utils (8,151 bytes)
5: ...entific data in the free, portable [http://www.hdfgroup.org/HDF5/ HDF5 format].
25: ...//www.octave.org/ GNU Octave], and [http://www.hdfgroup.org/products/hdf4/ HDF(4)] will only be built if ...
50: ... and h5toh4 programs provided by NCSA and the HDF Group (which are no longer bundled with HDF5, however).... - MPB manual (3,019 bytes)
4: ...ulos [http://ab-initio.mit.edu/ Ab Initio Physics Group] in the Condensed Matter Theory division of the [... - MPB Introduction (14,329 bytes)
18: ...explain why we want a frequency-domain code. (Our group has both time-domain and frequency-domain softwar...
30: ...perience with several programs written within our group, and this experience has guided the design of MIT...
32: ...n contact with, and the code that was used in our group until the development of this package, was initia...
36: ...ation, and so on, and proudly showed it off to my groupmates in the hope that they could use it for their... - MPB Data Analysis Tutorial (19,359 bytes)
145: ...metry of the dielectric structure). This symmetry group has only one two-dimensional representation--that... - MPB User Reference (74,624 bytes)
292: ...of Newton's method (using the [[#Group velocities|group velocity]] <code>dw/dk</code>). Because it employ...
374: ==== Group velocities ====
376: ...nstates at a given k-point, MPB can compute their group velocities (the derivative <math>d\omega/d\mathbf...
378: ; <code>display-group-velocities</code>
379: ...d to <code>(run)</code>, which outputs all of the group velocity vectors (in the Cartesian basis, in unit... - MPB Acknowledgements (1,732 bytes)
8: ...Villeneuve endured endless interruptions by their group-mate and were generous with their patience and en...
10: ... predecessor to this program that was used in our group for many years. Although it does not share any co... - Harminv release notes (2,934 bytes)
64: ...se by the [http://ab-initio.mit.edu/ Joannopoulos group]). - MPB release notes (22,344 bytes)
18: ... <code>compute-1-group-velocity</code> to compute group velocity of a single band.
76: ...f <code>NaN</code> when computing the (undefined) group velocity for zero-frequency states at the Gamma p...
108: * Group-velocity computation no longer silently invalidat...
171: ...oup-velocity calculation functions (<code>display-group-velocities</code>, etcetera). - Meep Tutorial (50,023 bytes)
402: ...of the <math>C_{\infty\mathrm{v}}</math> symmetry group. The other mode is simply a slight rotation of t... - Meep Reference (109,261 bytes)
264: ...lly specifying the representation of the symmetry group that your fields and sources transform under.)
682: ...equency|Nyquist frequency]] of the grid have slow group velocities and are absorbed poorly by [[PML]].) - Meep Tutorial/Band diagram, resonant modes, and transmission in a holey waveguide (32,880 bytes)
158: ...gin ...)</code> is a standard Scheme construct to group several statements into one, much like <code>{......
214: ...ating states in the periodic waveguide go to zero group velocity as they approach the edge of the gap, co...
295: ... you would divide the loss per unit time by the ''group velocity'' <math>|d\omega/dk_x|</math> = |slope|.... - Exploiting symmetry in Meep (8,171 bytes)
18: ... is also known as a <math>C_2</math> symmetry, in group theory. (This is different from a mirror plane: e...
33: ...so known as the <math>C_{\infty\mathrm{v}}</math> group), i.e. continuous rotational symmetry around the ...
53: ...k on group theory in physics, e.g. Inui et al., ''Group Theory and Its Applications in Physics''. - Meep Acknowledgements (1,459 bytes)
18: ...ran|Fortran]] FDTD programs that were used in our group, which were invaluable as benchmarks in testing o... - Meep Download (2,631 bytes)
21: ...tp://photonics.intec.ugent.be/ Photonics Research Group] at Ghent University, in particular thanks to Emm... - NLopt Introduction (22,408 bytes)
146: ...t was started because some of the students in our group needed to use an optimization algorithm for a non... - Casimir calculations in Meep (39,017 bytes)
139: ...ndependent Meep simulations. These parameters are grouped into the following lists:
222: ...ave to run separate simulations. Rather, we just group all of them together into Ext-list:
249: (define ngroups (min Nsims nproc))
250: ...ses ngroups)) ;%%% Index of the current processor group
252: (define my-sims (get-indices Nsims nproc mygroup)) - Meep Tutorial/Optical forces (10,118 bytes)
7: ...ath>P=v_gU/L</math> where <math>v_g</math> is the group velocity, <math>L</math> is the waveguide length ...
9: ...ompute the eigenmode frequency (and corresponding group velocity) for a mode with a fixed propagating wav... - Meep Tutorial/Multilevel-atomic susceptibility (7,007 bytes)
47: ...SALT) developed by Prof. A. Douglas Stone and his group at Yale. Based on the default parameters in the s...
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