669 citations
- Houston Advanced Research CenterUS29 papers
- Texas A&M UniversityUS25 papers
- Mitchell InstituteUS23 papers
- Institute of Theoretical PhysicsCN16 papers
- Chinese Academy of SciencesCN15 papers
- National and Kapodistrian University of AthensGR14 papers
- King's College LondonGB7 papers
- National Institute of Astrophysics, Optics and ElectronicsMX7 papers
- National Observatory of AthensGR7 papers
- Institute of Nuclear and Particle PhysicsGR6 papers
- Sam Houston State UniversityUS5 papers
- University of LethbridgeCA5 papers
15 papers · 1 filter
Energy-momentum complexes in f(R) theories of gravity
Tuomas Multamaki, Antti Putaja, Elias C. Vagenas +1
Despite the fact that modified theories of gravity, in particular the f(R) gravity models have attracted much attention in the last years, the problem of the energy localization in…
Realistic Type IIB Supersymmetric Minkowski Flux Vacua
Ching-Ming Chen, Tianjun Li, Yan Liu +1
We show that there exist supersymmetric Minkowski vacua on Type IIB toroidal orientifold with general flux compactifications where the RR tadpole cancellation conditions can be rel…
Realistic Yukawa Textures and SUSY Spectra from Intersecting Branes
Ching-Ming Chen, Tianjun Li, V. E. Mayes +1
We study the possible phenomenology of a three-family Pati-Salam model constructed from intersecting D6-branes in Type IIA string theory on the T^6/(Z2 x Z2) orientifold with some…
Supercriticality of a Class of Critical String Cosmological Solutions
Dimitri V. Nanopoulos, Dan Xie
For a class of Friedmann-Robertson-Walker type string solutions with compact hyperbolic spatial slices formulated in critical dimension, we find the world sheet conformal field the…
A note on the cyclic evolution of the pulsar magnetosphere
Ioannis Contopoulos
Positive and negative pulsar breaking indices suggest that some fraction of the pulsar spindown torque undergoes a cyclic evolution. The observed strong correlation of `anomalous'…
Nodal points and the transition from ordered to chaotic Bohmian trajectories
Christos Efthymiopoulos, Constantinos Kalapotharakos, George Contopoulos
We explore the transition from order to chaos for the Bohmian trajectories of a simple quantum system corresponding to the superposition of three stationary states in a 2D harmonic…