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- Institute for Nuclear Research and Nuclear EnergyBG87 papers
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20 papers · 1 filter
Note on Centrally Extended su(2/2) and Serre Relations
V. K. Dobrev
We point out that the nontrivial central extension of the superalgebra is related to the some not so well-known Serre relations.
Lightlike Brane as a Gravitational Source of Misner-Wheeler-Type Wormhole
Eduardo Guendelman, Alexander Kaganovich, Emil Nissimov +1
Consistent Lagrangian description of lightlike p-branes (LL-branes) is presented in two equivalent forms - a Polyakov-type formulation and a dual to it Nambu-Goto-type formulation.…
Integrable systems from membranes on AdS_4 x S^7
P. Bozhilov
We describe how Neumann and Neumann-Rosochatius type integrable systems, as well as the continuous limit of the SU(2) integrable spin chain, can be obtained from membranes on AdS_4…
On the structure of the constraint algebra for systems whose gauge transformations depend on higher order time derivatives of the gauge parameters
M. N. Stoilov
The dynamical systems invariant under gauge transformations with higher order time derivatives of the gauge parameter are considered from the Hamiltonian point of view. We investig…
Zero modes' fusion ring and braid group representations for the extended chiral su(2) WZNW model
P. Furlan, L. Hadjiivanov, I. Todorov
The zero modes' Fock space for the extended chiral WZNW model gives room to a realization of the Grothendieck fusion ring of representations of the restricted q…
On the multi-spin magnon and spike solutions from membranes
P. Bozhilov, R. C. Rashkov
Recently important classes of solitonic string solutions were obtained - giant magnons and single spikes. In previous study we showed the existence of giant magnon-like membrane so…