Treams - Revision history

Idea at 04:06, 3 October 2026

2026-10-03T04:06:16Z

← Older revision		Revision as of 04:06, 3 October 2026
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	~~{{Draft topics\|computing\|physics}}~~
	~~{{AfC topic\|stem}}~~

	~~{{Draft article}}~~

	~~{{Infobox software~~
	~~\| name = ''treams''~~
	~~\| author = Dominik Beutel~~
	~~\| developer = Dominik Beutel, Ivan Fernandez-Corbaton, [[Carsten Rockstuhl]]~~
	~~\| programming_language = [[Python (programming language)\|Python]], [[Cython]]~~
	~~\| license = [[MIT License]]~~
	~~\| website = {{URL\|https://tfp-photonics.github.io/treams/}}~~
	}}

	'''treams''' is an [[open-source software]] package for calculations of [[electromagnetic scattering]] based on the [[T-matrix method]]. It can be used for finite and periodic arrangements of scatterers of different schapes.<ref name="Beutel2024">{{cite journal		'''treams''' is an [[open-source software]] package for calculations of [[electromagnetic scattering]] based on the [[T-matrix method]]. It can be used for finite and periodic arrangements of scatterers of different schapes.<ref name="Beutel2024">{{cite journal
	\| last1 = Beutel		\| last1 = Beutel

Waza: remove deletion notice

2026-10-02T02:48:33Z

remove deletion notice

← Older revision		Revision as of 02:48, 2 October 2026
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	~~{{Short description\|Open-source software for electromagnetic scattering calculations}}~~
	~~<!-- Please do not remove or change this AfD message until the discussion has been closed. -->~~
	~~{{Article for deletion/dated\|page=Treams\|timestamp=20260925022126\|year=2026\|month=September\|day=25\|substed=yes\|help=off\|outcome=redirecting\|target=T-matrix method#Software}}~~
	~~<!-- Once discussion is closed, please place on talk page: {{Old AfD multi\|page=Treams\|date=25 September 2026\|result='''keep'''}} -->~~
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	{{Draft topics\|computing\|physics}}		{{Draft topics\|computing\|physics}}
	{{AfC topic\|stem}}		{{AfC topic\|stem}}

Waza: 13 revisions imported: Import with full history

2026-10-02T02:45:33Z

13 revisions imported: Import with full history

← Older revision	Revision as of 02:45, 2 October 2026
(No difference)

wikipedia>Posolubile: /* Applications */ simplified

2026-09-25T14:00:31Z

Applications: simplified

← Older revision		Revision as of 14:00, 25 September 2026
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	== Applications ==		== Applications ==
	treams has been used for dispersion and band-structure calculations in periodic plasmonic lattices,<ref>N. de Gaay Fortman, D. Pal, P. Schall, A. F. Koenderink, ''ACS Photonics'' '''12''', 1163–1173 (2025), {{doi\|10.1021/acsphotonics.4c02323}}.</ref> for the electromagnetic response of metasurfaces coupled to quantum-emitter arrays,<ref>F. Lindel, C. J. Sánchez Martínez, J. Feist, F. J. García-Vidal, ''Phys. Rev. Lett.'' '''137''', 103802 (2026), {{doi\|10.1103/71nx-b83j}}.</ref> and for reflectance calculations of transition-metal dichalcogenide nanosphere arrays.<ref>I. J. Bundgaard, C. G. Ferreira, Y. Lebsir, C. Tserkezis, ''ACS Appl. Nano Mater.'' '''9''', 16632–16642 (2026), {{doi\|10.1021/acsanm.6c01961}}.</ref> It has also been discussed in comparison with other multiple-scattering codes such as ''Multem 3''<ref>A. Shalev, K. Ladutenko, I. Lobanov, V. Yannopapas, A. Moroz, ''Comput. Phys. Commun.'' '''301''', 109218 (2024), {{doi\|10.1016/j.cpc.2024.109218}}.</ref> and described as a T-matrix toolkit for ~~one-, two-, and three-dimensional~~ periodic structures in a paper on ''TorchGDM'', which also uses an interface to ''treams'' for T-matrix- and Mie-based effective-model construction.<ref>S. Ponomareva, A. Patoux, C. Majorel, A. Azéma, A. Cuche, C. Girard, A. Arbouet, P. R. Wiecha, ''SciPost Phys. Codebases'' '''60''' (2025), https://scipost.org/SciPostPhysCodeb.60.</ref> An acoustic implementation, ''acoustotreams'', was introduced in 2026.<ref>N. Ustimenko, C. Rockstuhl, ''acoustotreams – A Python package for acoustic-wave scattering based on the T-matrix method'', arXiv:2606.22573 (2026).</ref>		treams has been used for dispersion and band-structure calculations in periodic plasmonic lattices,<ref>N. de Gaay Fortman, D. Pal, P. Schall, A. F. Koenderink, ''ACS Photonics'' '''12''', 1163–1173 (2025), {{doi\|10.1021/acsphotonics.4c02323}}.</ref> for the electromagnetic response of metasurfaces coupled to quantum-emitter arrays,<ref>F. Lindel, C. J. Sánchez Martínez, J. Feist, F. J. García-Vidal, ''Phys. Rev. Lett.'' '''137''', 103802 (2026), {{doi\|10.1103/71nx-b83j}}.</ref> and for reflectance calculations of transition-metal dichalcogenide nanosphere arrays.<ref>I. J. Bundgaard, C. G. Ferreira, Y. Lebsir, C. Tserkezis, ''ACS Appl. Nano Mater.'' '''9''', 16632–16642 (2026), {{doi\|10.1021/acsanm.6c01961}}.</ref> It has also been discussed in comparison with other multiple-scattering codes such as ''Multem 3''<ref>A. Shalev, K. Ladutenko, I. Lobanov, V. Yannopapas, A. Moroz, ''Comput. Phys. Commun.'' '''301''', 109218 (2024), {{doi\|10.1016/j.cpc.2024.109218}}.</ref> and described as a T-matrix toolkit for periodic structures in a paper on ''TorchGDM'', which also uses an interface to ''treams'' for T-matrix- and Mie-based effective-model construction.<ref>S. Ponomareva, A. Patoux, C. Majorel, A. Azéma, A. Cuche, C. Girard, A. Arbouet, P. R. Wiecha, ''SciPost Phys. Codebases'' '''60''' (2025), https://scipost.org/SciPostPhysCodeb.60.</ref> An acoustic implementation, ''acoustotreams'', was introduced in 2026.<ref>N. Ustimenko, C. Rockstuhl, ''acoustotreams – A Python package for acoustic-wave scattering based on the T-matrix method'', arXiv:2606.22573 (2026).</ref>

	== See also ==		== See also ==

wikipedia>Posolubile: /* Applications */ added application

2026-09-25T09:37:30Z

Applications: added application

← Older revision		Revision as of 09:37, 25 September 2026
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	== Applications ==		== Applications ==
	treams has been used for dispersion and band-structure calculations in periodic plasmonic lattices,<ref>N. de Gaay Fortman, D. Pal, P. Schall, A. F. Koenderink, ''ACS Photonics'' '''12''', 1163–1173 (2025), {{doi\|10.1021/acsphotonics.4c02323}}.</ref> for the electromagnetic response of metasurfaces coupled to quantum-emitter arrays,<ref>F. Lindel, C. J. Sánchez Martínez, J. Feist, F. J. García-Vidal, ''Phys. Rev. Lett.'' '''137''', 103802 (2026), {{doi\|10.1103/71nx-b83j}}.</ref> and for reflectance calculations of transition-metal dichalcogenide nanosphere arrays.<ref>I. J. Bundgaard, C. G. Ferreira, Y. Lebsir, C. Tserkezis, ''ACS Appl. Nano Mater.'' '''9''', 16632–16642 (2026), {{doi\|10.1021/acsanm.6c01961}}.</ref> It has also been discussed in comparison with other multiple-scattering codes such as ''Multem 3''.<ref>A. Shalev, K. Ladutenko, I. Lobanov, V. Yannopapas, A. Moroz, ''Comput. Phys. Commun.'' '''301''', 109218 (2024), {{doi\|10.1016/j.cpc.2024.109218}}.</ref> An acoustic implementation, ''acoustotreams'', was introduced in 2026.<ref>N. Ustimenko, C. Rockstuhl, ''acoustotreams – A Python package for acoustic-wave scattering based on the T-matrix method'', arXiv:2606.22573 (2026).</ref>		treams has been used for dispersion and band-structure calculations in periodic plasmonic lattices,<ref>N. de Gaay Fortman, D. Pal, P. Schall, A. F. Koenderink, ''ACS Photonics'' '''12''', 1163–1173 (2025), {{doi\|10.1021/acsphotonics.4c02323}}.</ref> for the electromagnetic response of metasurfaces coupled to quantum-emitter arrays,<ref>F. Lindel, C. J. Sánchez Martínez, J. Feist, F. J. García-Vidal, ''Phys. Rev. Lett.'' '''137''', 103802 (2026), {{doi\|10.1103/71nx-b83j}}.</ref> and for reflectance calculations of transition-metal dichalcogenide nanosphere arrays.<ref>I. J. Bundgaard, C. G. Ferreira, Y. Lebsir, C. Tserkezis, ''ACS Appl. Nano Mater.'' '''9''', 16632–16642 (2026), {{doi\|10.1021/acsanm.6c01961}}.</ref> It has also been discussed in comparison with other multiple-scattering codes such as ''Multem 3''<ref>A. Shalev, K. Ladutenko, I. Lobanov, V. Yannopapas, A. Moroz, ''Comput. Phys. Commun.'' '''301''', 109218 (2024), {{doi\|10.1016/j.cpc.2024.109218}}.</ref> and described as a T-matrix toolkit for one-, two-, and three-dimensional periodic structures in a paper on ''TorchGDM'', which also uses an interface to ''treams'' for T-matrix- and Mie-based effective-model construction.<ref>S. Ponomareva, A. Patoux, C. Majorel, A. Azéma, A. Cuche, C. Girard, A. Arbouet, P. R. Wiecha, ''SciPost Phys. Codebases'' '''60''' (2025), https://scipost.org/SciPostPhysCodeb.60.</ref> An acoustic implementation, ''acoustotreams'', was introduced in 2026.<ref>N. Ustimenko, C. Rockstuhl, ''acoustotreams – A Python package for acoustic-wave scattering based on the T-matrix method'', arXiv:2606.22573 (2026).</ref>


	== See also ==		== See also ==

wikipedia>Posolubile: /* Method */ added an independent source

2026-09-25T09:27:21Z

Method: added an independent source

← Older revision		Revision as of 09:27, 25 September 2026
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	In the [[T-matrix method]], incident and scattered fields are expanded into a set of basis functions. Fields expanded into [[vector spherical harmonics]] can be represented in helicity or parity (TE/TM) bases, also cylindrical harmonics basis and plane wave basis are available. The T-matrix of a nanostructure connects the coefficients of the incident field with those of the scattered field. For clusters and arrays, the fields scattered by one particle act as incident fields for the others, and the basis change is performed using translation addition theorems<ref>{{cite journal\|first1=R. C.\|last1=Wittmann\|doi=10.1109/8.7220\|title=Spherical wave operators and the translation formulas\|journal=IEEE Transactions on Antennas and Propagation\|volume=36\|number=8\|pages=1078–1087\|year=1988\|bibcode=1988ITAP...36.1078W \|url=https://zenodo.org/record/1262852 }}</ref><ref name="Beutel2024" />		In the [[T-matrix method]], incident and scattered fields are expanded into a set of basis functions. Fields expanded into [[vector spherical harmonics]] can be represented in helicity or parity (TE/TM) bases, also cylindrical harmonics basis and plane wave basis are available. The T-matrix of a nanostructure connects the coefficients of the incident field with those of the scattered field. For clusters and arrays, the fields scattered by one particle act as incident fields for the others, and the basis change is performed using translation addition theorems<ref>{{cite journal\|first1=R. C.\|last1=Wittmann\|doi=10.1109/8.7220\|title=Spherical wave operators and the translation formulas\|journal=IEEE Transactions on Antennas and Propagation\|volume=36\|number=8\|pages=1078–1087\|year=1988\|bibcode=1988ITAP...36.1078W \|url=https://zenodo.org/record/1262852 }}</ref><ref name="Beutel2024" />

	For periodic systems, the same interaction has to be summed over the repeated lattice. treams evaluates these sums using the [[Ewald summation\|Ewald method]]. <ref name="Beutel2023">{{cite journal		For periodic systems, the same interaction has to be summed over the repeated lattice. treams evaluates these sums using the [[Ewald summation\|Ewald method]]. <ref>V. E. Babicheva, A. B. Evlyukhin, ''Mie-resonant metaphotonics'', ''Advances in Optics and Photonics'' '''16''', 539–658 (2024), https://doi.org/10.1364/AOP.510826.</ref><ref name="Beutel2023">{{cite journal
	\| last1 = Beutel		\| last1 = Beutel
	\| first1 = Dominik		\| first1 = Dominik

wikipedia>Scope creep: ce

2026-09-25T09:19:58Z

← Older revision		Revision as of 09:19, 25 September 2026
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	== Applications ==		== Applications ==

	treams has been used for dispersion and band-structure calculations in periodic plasmonic lattices,<ref>N. de Gaay Fortman, D. Pal, P. Schall, A. F. Koenderink, ''ACS Photonics'' '''12''', 1163–1173 (2025), {{doi\|10.1021/acsphotonics.4c02323}}.</ref> for the electromagnetic response of metasurfaces coupled to quantum-emitter arrays,<ref>F. Lindel, C. J. Sánchez Martínez, J. Feist, F. J. García-Vidal, ''Phys. Rev. Lett.'' '''137''', 103802 (2026), {{doi\|10.1103/71nx-b83j}}.</ref> and for reflectance calculations of transition-metal dichalcogenide nanosphere arrays.<ref>I. J. Bundgaard, C. G. Ferreira, Y. Lebsir, C. Tserkezis, ''ACS Appl. Nano Mater.'' '''9''', 16632–16642 (2026), {{doi\|10.1021/acsanm.6c01961}}.</ref> It has also been discussed in comparison with other multiple-scattering codes such as ''Multem 3''.<ref>A. Shalev, K. Ladutenko, I. Lobanov, V. Yannopapas, A. Moroz, ''Comput. Phys. Commun.'' '''301''', 109218 (2024), {{doi\|10.1016/j.cpc.2024.109218}}.</ref> An acoustic implementation, ''acoustotreams'', was introduced in 2026.<ref>N. Ustimenko, C. Rockstuhl, ''acoustotreams – A Python package for acoustic-wave scattering based on the T-matrix method'', arXiv:2606.22573 (2026).</ref>		treams has been used for dispersion and band-structure calculations in periodic plasmonic lattices,<ref>N. de Gaay Fortman, D. Pal, P. Schall, A. F. Koenderink, ''ACS Photonics'' '''12''', 1163–1173 (2025), {{doi\|10.1021/acsphotonics.4c02323}}.</ref> for the electromagnetic response of metasurfaces coupled to quantum-emitter arrays,<ref>F. Lindel, C. J. Sánchez Martínez, J. Feist, F. J. García-Vidal, ''Phys. Rev. Lett.'' '''137''', 103802 (2026), {{doi\|10.1103/71nx-b83j}}.</ref> and for reflectance calculations of transition-metal dichalcogenide nanosphere arrays.<ref>I. J. Bundgaard, C. G. Ferreira, Y. Lebsir, C. Tserkezis, ''ACS Appl. Nano Mater.'' '''9''', 16632–16642 (2026), {{doi\|10.1021/acsanm.6c01961}}.</ref> It has also been discussed in comparison with other multiple-scattering codes such as ''Multem 3''.<ref>A. Shalev, K. Ladutenko, I. Lobanov, V. Yannopapas, A. Moroz, ''Comput. Phys. Commun.'' '''301''', 109218 (2024), {{doi\|10.1016/j.cpc.2024.109218}}.</ref> An acoustic implementation, ''acoustotreams'', was introduced in 2026.<ref>N. Ustimenko, C. Rockstuhl, ''acoustotreams – A Python package for acoustic-wave scattering based on the T-matrix method'', arXiv:2606.22573 (2026).</ref>


	== See also ==		== See also ==

	* [[T-matrix method]]		* [[T-matrix method]]
	* [[Mie scattering]]		* [[Mie scattering]]

wikipedia>Helpful Raccoon: Nominated for redirecting; see :Wikipedia:Articles for deletion/Treams.

2026-09-25T02:21:26Z

Nominated for redirecting; see Wikipedia:Articles for deletion/Treams.

← Older revision		Revision as of 02:21, 25 September 2026
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	{{Short description\|Open-source software for electromagnetic scattering calculations}}		{{Short description\|Open-source software for electromagnetic scattering calculations}}
			<!-- Please do not remove or change this AfD message until the discussion has been closed. -->
			{{Article for deletion/dated\|page=Treams\|timestamp=20260925022126\|year=2026\|month=September\|day=25\|substed=yes\|help=off\|outcome=redirecting\|target=T-matrix method#Software}}
			<!-- Once discussion is closed, please place on talk page: {{Old AfD multi\|page=Treams\|date=25 September 2026\|result='''keep'''}} -->
			<!-- End of AfD message, feel free to edit beyond this point -->
	{{Draft topics\|computing\|physics}}		{{Draft topics\|computing\|physics}}
	{{AfC topic\|stem}}		{{AfC topic\|stem}}

wikipedia>Posolubile: Posolubile moved page Draft:Treams to Treams: Publishing draft article

2026-09-24T21:22:41Z

Posolubile moved page Draft:Treams to Treams: Publishing draft article

← Older revision	Revision as of 21:22, 24 September 2026
(No difference)

wikipedia>Posolubile: /* Method */

2026-09-24T21:21:59Z

Method

← Older revision		Revision as of 21:21, 24 September 2026
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	== Method ==		== Method ==

	In the [[T-matrix method]], incident and scattered fields are expanded into a set of basis functions. Fields expanded into [[vector spherical harmonics]] can be represented in helicity or parity (TE/TM) bases, also cylindrical harmonics basis and plane wave basis are available. The T-matrix of a ~~particle~~ connects the coefficients of the incident field with those of the scattered field. For ~~several particles~~, the fields scattered by one particle act as incident fields for the others, and the ~~individual T-matrices are connected~~ using translation addition theorems<ref>{{cite journal\|first1=R. C.\|last1=Wittmann\|doi=10.1109/8.7220\|title=Spherical wave operators and the translation formulas\|journal=IEEE Transactions on Antennas and Propagation\|volume=36\|number=8\|pages=1078–1087\|year=1988\|bibcode=1988ITAP...36.1078W \|url=https://zenodo.org/record/1262852 }}</ref><ref name="Beutel2024" />		In the [[T-matrix method]], incident and scattered fields are expanded into a set of basis functions. Fields expanded into [[vector spherical harmonics]] can be represented in helicity or parity (TE/TM) bases, also cylindrical harmonics basis and plane wave basis are available. The T-matrix of a nanostructure connects the coefficients of the incident field with those of the scattered field. For clusters and arrays, the fields scattered by one particle act as incident fields for the others, and the basis change is performed using translation addition theorems<ref>{{cite journal\|first1=R. C.\|last1=Wittmann\|doi=10.1109/8.7220\|title=Spherical wave operators and the translation formulas\|journal=IEEE Transactions on Antennas and Propagation\|volume=36\|number=8\|pages=1078–1087\|year=1988\|bibcode=1988ITAP...36.1078W \|url=https://zenodo.org/record/1262852 }}</ref><ref name="Beutel2024" />

	For periodic systems, the same interaction has to be summed over the repeated lattice. treams evaluates these sums using the [[Ewald summation\|Ewald method]]. <ref name="Beutel2023">{{cite journal		For periodic systems, the same interaction has to be summed over the repeated lattice. treams evaluates these sums using the [[Ewald summation\|Ewald method]]. <ref name="Beutel2023">{{cite journal
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	\| doi = 10.1103/PhysRevA.107.013508		\| doi = 10.1103/PhysRevA.107.013508
	}}</ref>		}}</ref>



	== Applications ==		== Applications ==

← Older revision		Revision as of 02:48, 2 October 2026
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	~~{{Short description\|Open-source software for electromagnetic scattering calculations}}~~
	~~<!-- Please do not remove or change this AfD message until the discussion has been closed. -->~~
	~~{{Article for deletion/dated\|page=Treams\|timestamp=20260925022126\|year=2026\|month=September\|day=25\|substed=yes\|help=off\|outcome=redirecting\|target=T-matrix method#Software}}~~
	~~<!-- Once discussion is closed, please place on talk page: {{Old AfD multi\|page=Treams\|date=25 September 2026\|result='''keep'''}} -->~~
	~~<!-- End of AfD message, feel free to edit beyond this point -->~~
	{{Draft topics\|computing\|physics}}		{{Draft topics\|computing\|physics}}
	{{AfC topic\|stem}}		{{AfC topic\|stem}}

← Older revision		Revision as of 02:21, 25 September 2026
Line 1:		Line 1:
	{{Short description\|Open-source software for electromagnetic scattering calculations}}		{{Short description\|Open-source software for electromagnetic scattering calculations}}
			<!-- Please do not remove or change this AfD message until the discussion has been closed. -->
			{{Article for deletion/dated\|page=Treams\|timestamp=20260925022126\|year=2026\|month=September\|day=25\|substed=yes\|help=off\|outcome=redirecting\|target=T-matrix method#Software}}
			<!-- Once discussion is closed, please place on talk page: {{Old AfD multi\|page=Treams\|date=25 September 2026\|result='''keep'''}} -->
			<!-- End of AfD message, feel free to edit beyond this point -->
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