1.5k citations
- Texas A&M UniversityUS1.6k papers
- Fermi National Accelerator LaboratoryUS1.6k papers
- Carnegie Mellon UniversityUS1.6k papers
- Johns Hopkins UniversityUS1.6k papers
- Massachusetts Institute of TechnologyUS1.6k papers
- University of FloridaUS1.6k papers
- University of HelsinkiFI1.6k papers
- Universidad de CantabriaES1.6k papers
- The Ohio State UniversityUS1.6k papers
- University of RochesterUS1.6k papers
- University of Wisconsin–MadisonUS1.6k papers
- Purdue University West LafayetteUS1.6k papers
10 papers · 2 filters
On Geometrical Interpretation of Non-Abelian Flat Direction Constraints
G. B. Cleaver, D. V. Nanopoulos, J. T. Perkins +1
In order to produce a low energy effective field theory from a string model, it is necessary to specify a vacuum state. In order that this vacuum be supersymmetric, it is well know…
Super-acceleration on the Brane by Energy Flow from the Bulk
Rong-Gen Cai, Yungui Gong, Bin Wang
We consider a brane cosmological model with energy exchange between brane and bulk. Parameterizing the energy exchange term by the scale factor and Hubble parameter, we are able to…
On curvature coupling and quintessence fine-tuning
Yungui Gong, Anzhong Wang, Yuan-Zhong Zhang
We discuss the phenomenological model in which the potential energy of the quintessence field depends linearly on the energy density of the spatial curvature. We find that the pres…
New Developments in the Spectral Asymptotics of Quantum Gravity
Giampiero Esposito, Guglielmo Fucci, Alexander Yu. Kamenshchik +1
A vanishing one-loop wave function of the Universe in the limit of small three-geometry is found, on imposing diffeomorphism-invariant boundary conditions on the Euclidean 4-ball i…
A Non-Singular One-Loop Wave Function of the Universe From a New Eigenvalue Asymptotics in Quantum Gravity
Giampiero Esposito, Guglielmo Fucci, Alexander Yu. Kamenshchik +1
Recent work on Euclidean quantum gravity on the four-ball has proved regularity at the origin of the generalized zeta-function built from eigenvalues for metric and ghost modes, wh…
Functional determinants in the presence of zero modes
Klaus Kirsten, Alan J. McKane
We present a simple and accessible method which uses contour integration methods to derive formulae for functional determinants. To make the presentation as clear as possible we il…