SCOAP3 Repository 35 records found  1 - 10nextendSearch took 0.02 seconds. 
1. Skyrme and Faddeev models in the low-energy limit of 4d Yang–Mills–Higgs theories / Lechtenfeld, Olaf ; Popov, Alexander D.
Firstly, we consider U( Nc ) Yang–Mills gauge theory on R3,1 with Nf>Nc flavours of scalar fields in the fundamental representation of U( Nc ). [...]
Published in Nuclear Physics B 945 (2019) 10.1016/j.nuclphysb.2019.114675
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2. P T $$ \mathcal{P}\mathcal{T} $$ deformation of Calogero-Sutherland models / Correa, Francisco ; Lechtenfeld, Olaf
Calogero-Sutherland models of N identical particles on a circle are deformed away from hermiticity but retaining a P T $$ \mathcal{P}\mathcal{T} $$ symmetry. [...]
Published in JHEP 1905 (2019) 166 10.1007/JHEP05(2019)166 arXiv:1903.06481
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3. Sasakian quiver gauge theories and instantons on cones over round and squashed seven-spheres / Geipel, Jakob C. ; Lechtenfeld, Olaf ; Popov, Alexander D. ; Szabo, Richard J.
We study quiver gauge theories on the round and squashed seven-spheres, and orbifolds thereof. [...]
Published in Nuclear Physics B 942 (2019) 103-148 10.1016/j.nuclphysb.2019.03.010
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4. Spinning extensions of D (2, 1; α ) superconformal mechanics / Galajinsky, Anton ; Lechtenfeld, Olaf
As is known, any realization of SU(2) in the phase space of a dynamical system can be generalized to accommodate the exceptional supergroup D (2, 1; α ), which is the most general N $$ \mathcal{N} $$ = 4 supersymmetric extension of the conformal group in one spatial dimension. [...]
Published in JHEP 1903 (2019) 069 10.1007/JHEP03(2019)069 arXiv:1902.06851
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5. Extended supersymmetric Calogero model / Krivonos, Sergey ; Lechtenfeld, Olaf ; Provorov, Alexander ; Sutulin, Anton
We present a surprising redefinition of matrix fermions which brings the supercharges of the N -extended supersymmetric An−1 Calogero model introduced in [1] to the standard form maximally cubic in the fermions. [...]
Published in Physics letters B 791 (2019) 385-389 10.1016/j.physletb.2019.03.004
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6. Supersymmetric many-body Euler–Calogero–Moser model / Krivonos, Sergey ; Lechtenfeld, Olaf ; Sutulin, Anton
We explicitly construct a supersymmetric so(n) spin-Calogero model with an arbitrary even number N of supersymmetries. [...]
Published in Physics letters B 790 (2019) 191-196 10.1016/j.physletb.2019.01.018
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7. Yang-Mills solutions on de Sitter space of any dimension / Lechtenfeld, Olaf ; Ünal, Gönül
For gauge groups SO(n+1), SU(m+1), and Sp(+1), we construct equivariant Yang-Mills solutions on de Sitter space in n+1, 2(m+1), and 4(+1) spacetime dimensions. [...]
Published in Physical Review D 98 (2018) 10.1103/PhysRevD.98.085008 arXiv:1807.03914
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8. Skyrme–Faddeev model from 5d super-Yang–Mills / Lechtenfeld, Olaf ; Popov, Alexander D.
We consider 5d Yang–Mills–Higgs theory with a compact ADE-type gauge group G and one adjoint scalar field on R3,1×R+ , where R+=[0,∞) is the half-line. [...]
Published in Physics letters B 786 (2018) 39-44 10.1016/j.physletb.2018.09.028
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9. Deformed N = 8 $$ \mathcal{N}=8 $$ mechanics of (8, 8, 0) multiplets / Ivanov, Evgeny ; Lechtenfeld, Olaf ; Sidorov, Stepan
We construct new models of “curved” SU(4|1) supersymmetric mechanics based on two versions of the off-shell multiplet ( 8 , 8 , 0 ) which are “mirror” to each other. [...]
Published in JHEP 1808 (2018) 193 10.1007/JHEP08(2018)193 arXiv:1807.11804
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10. N -extended supersymmetric Calogero models / Krivonos, Sergey ; Lechtenfeld, Olaf ; Sutulin, Anton
We propose a new N -extended supersymmetric su(n) spin-Calogero model. [...]
Published in Physics letters B (2018) 10.1016/j.physletb.2018.07.036
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