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31 papers · 1 filter
Wheeler-De Witt equation for brane gravity
Pawel Gusin
We consider the gravity in the system consisting of the Bogomol'nyi-Prasad-Sommerfield (BPS) D3-brane embedded in the flat background geometry, produced by the solutions of the sup…
Evolution of the D3-brane for dynamical embeddings
Pawel Gusin, Jerzy Warczewski
The Dirac-Born-Infeld (DBI) action of the 3-dimensional brane for its dynamical embeddings and the gauge fields has been studied. The evolution of both the D3-brane and the ambient…
D-brane worlds and the cosmological constant
P. Gusin, J. Warczewski
The cosmological constant on a D-brane is analyzed. This D-brane is in the background produced by the p-brane solutions. The energy-momentum tensor in this model has been found and…
Towards the description of anisotropic plasma at strong coupling
Romuald A. Janik, Przemyslaw Witaszczyk
We initiate a study of anisotropic plasma at strong coupling using the AdS/CFT correspondence. We construct an exact dual geometry which represents a static uniform but anisotropic…
Compact self-gravitating solutions of quartic (K) fields in brane cosmology
C. Adam, N. Grandi, P. Klimas +2
Recently we proposed that K fields, that is, fields with a non-standard kinetic term, may provide a mechanism for the generation of thick branes, based on the following observation…
Compact Q-balls in the complex signum-Gordon model
H. Arodź, J. Lis
We discuss Q-balls in the complex signum-Gordon model in d-dimensional space for d=1,2,3. The Q-balls have strictly finite radius. Their total energy is a power-like function of th…