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1

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Research Notes

Bahns, Jens ; Barton, Linda U. ; Partridge, Kathryn L. ; [et al.]

JSTOR ; 1982

In: TESOL Quarterly Vol. 16, No. 4 ( 1982-12), p. 555-

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In: TESOL Quarterly, JSTOR, Vol. 16, No. 4 ( 1982-12), p. 555-

Type of Medium: Online Resource

ISSN: 0039-8322

URL: Article

DOI: 10.2307/3586474

RVK:

EQ 1000

Language: Unknown

Publisher: JSTOR

Publication Date: 1982

detail.hit.zdb_id: 2115547-1

SSG: 5,3

SSG: 7,24

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2

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Direct excitation studies of the diffuse bands of alkali metal dimers

Luh, Wei-Tzou ; Bahns, John T. ; Lyyra, A. Marjatta ; [et al.]

AIP Publishing ; 1988

In: The Journal of Chemical Physics Vol. 88, No. 4 ( 1988-02-15), p. 2235-2241

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In: The Journal of Chemical Physics, AIP Publishing, Vol. 88, No. 4 ( 1988-02-15), p. 2235-2241

Abstract: Direct dye laser excitations of the K2 yellow, Rb2 orange, and Cs2 near-infrared diffuse bands have been investigated. Experimental results are shown to be consistent with the assumed bound–free 2 3Πg–1 3∑+u excitations. It is found that for Rb2 and Cs2, spin–orbit interactions become so significant that the 2 3Πg state is strongly split into three quite independent component states.

Type of Medium: Online Resource

ISSN: 0021-9606 , 1089-7690

URL: Article

DOI: 10.1063/1.454056

Language: English

Publisher: AIP Publishing

Publication Date: 1988

detail.hit.zdb_id: 3113-6

detail.hit.zdb_id: 1473050-9

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3

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Quantum Geometry on Quantum Spacetime: Distance, Area and Volume Operators

Bahns, D. ; Doplicher, S. ; Fredenhagen, K. ; [et al.]

Springer Science and Business Media LLC ; 2011

In: Communications in Mathematical Physics Vol. 308, No. 3 ( 2011-12), p. 567-589

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In: Communications in Mathematical Physics, Springer Science and Business Media LLC, Vol. 308, No. 3 ( 2011-12), p. 567-589

Type of Medium: Online Resource

ISSN: 0010-3616 , 1432-0916

URL: Article

DOI: 10.1007/s00220-011-1358-y

Language: English

Publisher: Springer Science and Business Media LLC

Publication Date: 2011

detail.hit.zdb_id: 1458931-X

detail.hit.zdb_id: 220443-5

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4

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44 Interstitial HDR brachytherapy for prostate cancer: CT based 3D treatment planning after transrectal implantation

Martin, T. ; Kolotas, C. ; Vogt, H.-G. ; [et al.]

Elsevier BV ; 1998

In: Radiotherapy and Oncology Vol. 47 ( 1998-5), p. S11-

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In: Radiotherapy and Oncology, Elsevier BV, Vol. 47 ( 1998-5), p. S11-

Type of Medium: Online Resource

ISSN: 0167-8140

URL: Article

DOI: 10.1016/S0167-8140(98)80049-2

Language: English

Publisher: Elsevier BV

Publication Date: 1998

detail.hit.zdb_id: 1500707-8

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5

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On the unitarity problem in space/time noncommutative theories

Bahns, D. ; Doplicher, S. ; Fredenhagen, K. ; [et al.]

Elsevier BV ; 2002

In: Physics Letters B Vol. 533, No. 1-2 ( 2002-05), p. 178-181

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In: Physics Letters B, Elsevier BV, Vol. 533, No. 1-2 ( 2002-05), p. 178-181

Type of Medium: Online Resource

ISSN: 0370-2693

URL: Article

DOI: 10.1016/S0370-2693(02)01563-0

RVK:

UA 1000

Language: English

Publisher: Elsevier BV

Publication Date: 2002

detail.hit.zdb_id: 1466612-1

detail.hit.zdb_id: 208866-6

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6

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An ultraviolet‐finite Hamiltonian approach on the noncommutative Minkowski space

Bahns, D.

Wiley ; 2004

In: Fortschritte der Physik Vol. 52, No. 6-7 ( 2004-06), p. 458-463

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In: Fortschritte der Physik, Wiley, Vol. 52, No. 6-7 ( 2004-06), p. 458-463

Abstract: This is an exposition of joint work with S. Doplicher, K. Fredenhagen, and G. Piacitelli on field theory on the noncommutative Minkowski space [1]. The limit of coinciding points is modified compared to ordinary field theory in a suitable way which allows for the definition of so‐called regularized field monomials as interaction terms. Employing these in the Hamiltonian formalism results in an ultraviolet finite S ‐matrix.

Type of Medium: Online Resource

ISSN: 0015-8208 , 1521-3978

URL: Issue

URL: Article

DOI: 10.1002/prop.v52:6/7

DOI: 10.1002/prop.200310130

Language: English

Publisher: Wiley

Publication Date: 2004

detail.hit.zdb_id: 2101-5

detail.hit.zdb_id: 1474757-1

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7

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The shuffle Hopf algebra and quasiplanar Wick products

Bahns, D

IOP Publishing ; 2008

In: Journal of Physics: Conference Series Vol. 103 ( 2008-02-01), p. 012014-

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In: Journal of Physics: Conference Series, IOP Publishing, Vol. 103 ( 2008-02-01), p. 012014-

Type of Medium: Online Resource

ISSN: 1742-6596

URL: Article

DOI: 10.1088/1742-6596/103/1/012014

Language: Unknown

Publisher: IOP Publishing

Publication Date: 2008

detail.hit.zdb_id: 2166409-2

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8

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Ultraviolet Finite Quantum Field Theory on Quantum Spacetime

Bahns, D. ; Doplicher, S. ; Fredenhagen, K. ; [et al.]

Springer Science and Business Media LLC ; 2003

In: Communications in Mathematical Physics Vol. 237, No. 1 ( 2003-06), p. 221-241

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In: Communications in Mathematical Physics, Springer Science and Business Media LLC, Vol. 237, No. 1 ( 2003-06), p. 221-241

Type of Medium: Online Resource

ISSN: 0010-3616 , 1432-0916

URL: Article

DOI: 10.1007/s00220-003-0857-x

Language: English

Publisher: Springer Science and Business Media LLC

Publication Date: 2003

detail.hit.zdb_id: 1458931-X

detail.hit.zdb_id: 220443-5

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9

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Unitary quantum field theory on the noncommutative Minkowski space

Bahns, D.

Wiley ; 2003

In: Fortschritte der Physik Vol. 51, No. 7-8 ( 2003-07-07), p. 658-663

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In: Fortschritte der Physik, Wiley, Vol. 51, No. 7-8 ( 2003-07-07), p. 658-663

Abstract: This is an exposition of joint work with S. Doplicher, K. Fredenhagen, and Gh. Piacitelli [1]. The violation of unitarity found in quantum field theory on noncommutative spacetimes in the context of the so‐called modified Feynman rules is linked to the notion of time ordering implicitly used in the assumption that perturbation theory may be done solely in terms of Feynman propagators. Two alternative approaches which do not entail a violation of unitarity are sketched. An outlook upon our more recent work is given.

Type of Medium: Online Resource

ISSN: 0015-8208 , 1521-3978

URL: Issue

URL: Article

DOI: 10.1002/prop.v51:7/8

DOI: 10.1002/prop.200310079

Language: English

Publisher: Wiley

Publication Date: 2003

detail.hit.zdb_id: 2101-5

detail.hit.zdb_id: 1474757-1

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10

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Field theory on noncommutative spacetimes: Quasiplanar Wick products

Bahns, D. ; Doplicher, S. ; Fredenhagen, K. ; [et al.]

American Physical Society (APS) ; 2005

In: Physical Review D Vol. 71, No. 2 ( 2005-1-31)

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In: Physical Review D, American Physical Society (APS), Vol. 71, No. 2 ( 2005-1-31)

Type of Medium: Online Resource

ISSN: 1550-7998 , 1550-2368

URL: Article

DOI: 10.1103/PhysRevD.71.025022

Language: English

Publisher: American Physical Society (APS)

Publication Date: 2005

detail.hit.zdb_id: 2844732-3

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Kooperativer Bibliotheksverbund

Berlin Brandenburg