Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Boonstra, H. J."'
Publikováno v:
JHEP 9901 (1999) 003
We extend the correspondence between adS-supergravities and superconformal field theories on the adS boundary to a correspondence between gauged supergravities (typically with non-compact gauge groups) and quantum field theories on domain walls.
Externí odkaz:
http://arxiv.org/abs/hep-th/9807137
Publikováno v:
Phys.Lett.B411:59-67,1997
We consider a series of duality transformations that leads to a constant shift in the harmonic functions appearing in the description of a configuration of branes. This way, for several intersections of branes, we can relate the original brane config
Externí odkaz:
http://arxiv.org/abs/hep-th/9706192
Publikováno v:
Phys. Rev. D 53, 7206 (1996)
We show how a solitonic ``magnetically'' charged $p$-brane solution of a given supergravity theory, with the magnetic charge carried by an antisymmetric tensor gauge field, can be generalized to a dyonic solution. We discuss the cases of ten-dimensio
Externí odkaz:
http://arxiv.org/abs/hep-th/9508091
Autor:
Boonstra, H. J., de Roo, M.
Publikováno v:
Phys.Lett. B353 (1995) 57-63
We reduce the dual version of $D=10$, $N=1$ supergravity coupled to $n$ vector fields to four dimensions, and derive the $SL(2,R)\times O(6,6+n)$ transformations which leave the equations of motion invariant. For $n=0$ $SL(2,R)$ is also a symmetry of
Externí odkaz:
http://arxiv.org/abs/hep-th/9503038
Publikováno v:
Phys. Lett. B346 (1995) 269-274
We discuss a realization of the bosonic string as a noncritical $W_3$-string. The relevant noncritical $W_3$-string is characterized by a Liouville sector which is restricted to a (non-unitary) $(3,2)$ $W_3$ minimal model with central charge contribu
Externí odkaz:
http://arxiv.org/abs/hep-th/9409186
Autor:
Boonstra, H. J.
Publikováno v:
Class.Quant.Grav.11:1941-1960,1994
We study the cohomology of the critical $W_4$ string using the $W_4$ BRST charge in a special basis in which it contains three separately nilpotent BRST charges. This allows us to obtain the physical operators in three steps. In the first step we obt
Externí odkaz:
http://arxiv.org/abs/hep-th/9401164
Publikováno v:
Nucl.Phys. B411 (1994) 717-744
We perform a classical BRST analysis of the symmetries corresponding to a generic $w_N$-algebra. An essential feature of our method is that we write the $w_N$-algebra in a special basis such that the algebra manifestly has a ``nested'' set of subalge
Externí odkaz:
http://arxiv.org/abs/hep-th/9307046
Publikováno v:
Phys.Lett. B308 (1993) 34-41
We discuss the conditions under which the BRST operator of a $W$-string can be written as the sum of two operators that are separately nilpotent and anticommute with each other. We illustrate our results with the example of the non-critical $W_3$-str
Externí odkaz:
http://arxiv.org/abs/hep-th/9303051
Publikováno v:
Phys.Lett. B292 (1992) 307-314
We perform a systematic investigation of free-scalar realisations of the Za\-mo\-lod\-chi\-kov $W_3$ algebra in which the operator product of two spin-three generators contains a non-zero operator of spin four which has vanishing norm. This generalis
Externí odkaz:
http://arxiv.org/abs/hep-th/9209065
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