Results 21 to 30 of about 48,435 (229)
Superconformal invariants and extended supersymmetry [PDF]
10p ...
Howe, P. S., West, P. C.
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Extended supersymmetries and the Dirac operator [PDF]
We consider supersymmetric quantum mechanical systems in arbitrary dimensions on curved spaces with nontrivial gauge fields. The square of the Dirac operator serves as Hamiltonian. We derive a relation between the number of supercharges that exist and restrictions on the geometry of the underlying spaces as well as the admissible gauge field ...
A. Kirchberg +2 more
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LORENTZ VIOLATION AND EXTENDED SUPERSYMMETRY [PDF]
Presented at the Fifth Meeting on CPT and Lorentz Symmetry, Bloomington, Indiana, June 28-July 2 ...
Colladay, Don, McDonald, Patrick
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Extended Supersymmetry and Superfields
This thesis concerns the reconstruction of N=1 supersymmetry, starting with the Standard Model. Next, we partially construct an N=2 superfield theory. The differential representation of the N=2 supercharges is found. Issues regarding the necessity of mixing left and right chirality in extended supersymmetry is discussed, and possible ways to circumvent
Richard Olsen
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Worldsheet (anti)instanton bound states in type II on T 2
The 1/8 BPS D 6ℛ4 coupling in type II string theory compactified on T 2 receives contributions from worldsheet instantons and anti-instantons wrapping the T 2, up to genus three in string perturbation theory.
Anirban Basu
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Triplet-Singlet Emission of d-Block Metal Complexes Characterized by Spin-Orbit Natural Transition Orbitals. [PDF]
In the present study, the SO‐ NTO technique was applied to analyze triplet‐to‐singlet emission in a set of transition metal complexes with Mo, W, Re, and Ir. The source of intensity in the spin‐orbit forbidden transitions has been demonstrated and discussed.
Zaichenko A, Autschbach J.
europepmc +2 more sources
Quantum extended supersymmetries
AbstractWe analyse some quantum multiplets associated with extended supersymmetries. We study in detail the general form of the causal (anti)commutation relations. The condition of positivity of the scalar product imposes severe restrictions on the (quantum) model.
Grigore, Dan Radu, Scharf, Günter
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Nonlinear N = 2 $$ \mathcal{N}=2 $$ global supersymmetry
We study the partial breaking of N = 2 $$ \mathcal{N}=2 $$ global supersymmetry, using a novel formalism that allows for the off-shell nonlinear realization of the broken supersymmetry, extending previous results scattered in the literature.
Ignatios Antoniadis +2 more
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Superconformal duality-invariant models and N $$ \mathcal{N} $$ = 4 SYM effective action
We present N $$ \mathcal{N} $$ = 2 superconformal U(1) duality-invariant models for an Abelian vector multiplet coupled to conformal supergravity. In a Minkowski background, such a nonlinear theory is expected to describe (the planar part of) the low ...
Sergei M. Kuzenko
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Vacua of ω-deformed SO(8) supergravity
We perform a detailed analysis of the vacua of ω-deformed SO(8) supergravity in four dimensions. In particular, using Tensorflow-based numerical methods, we track how the equilibria of the theory change when varying the electric-magnetic deformation ...
David Berman +3 more
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