3 papers
gr-qc2026
Gravitational Wave Propagation in K-essence Cosmology: Theory and Observational Constraints
Sougata Bhunia, Eduardo Guendelman, Debashis Gangopadhyay +3
Gravitational waves (GWs) provide a powerful, theory-independent probe of the dynamical structure of spacetime and the cosmological background. We study linearized GW propagation i…
physics.gen-ph2026
Constructing de Sitter space and Dark Matter with Dynamical Tension Strings
Eduardo Guendelman
The string tensions can be dynamical in the modified measure formalism and appear as an additional dynamical degrees of freedom . These tensions may not be universal, instead, each…
hep-th2025
Dynamical Tension Strings with Target Scale Symmetry producing DE, DM and why 4D?
Eduardo Guendelman
In the modified measure formulation string or branes the tension appear as an additional dynamical degree of freedom . Furthermore in the presence of an additional background scala…