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The Conformal Constraint in Canonical Quantum Gravity
The Conformal Constraint Canonical Quantum Gravity
2010/12/24
Perturbative canonical quantum gravity is considered, when coupled to a renormalizable model for matter fields. It is proposed that the functional integral over the dilaton field should be disentangle...
We present a one-parameter extension of the raise and peel one-dimensional growth model. The model is defined in the configuration space of Dyck (RSOS) paths. Tiles from a rarefied gas hit the interfa...
Confining vs. conformal scenario for SU(2) with adjoint fermions. Gluonic observables
conformal scenario SU(2) adjoint fermions
2011/1/6
Walking technicolor is a mechanism for electroweak symmetry breaking without Higgs field. The Higgs mechanism is provided by chiral symmetry breaking in the technicolor theory. An essential ingredient...
Fitting galactic rotation curves with conformal gravity and a global quadratic potential
Fitting galactic rotation curves conformal gravity quadratic potential
2010/12/27
We apply the conformal gravity theory to a sample of 110 spiral galaxies whose rotation curve data points extend well beyond the optical disk. With no free parameters other than galactic mass to ligh...
Entanglement entropy of two disjoint intervals in conformal field theory II
Entanglement entropy disjoint intervals conformal field theory II
2010/12/24
We continue the study of the entanglement entropy of two disjoint intervals in conformal field theories that we started in J. Stat. Mech. (2009) P11001. We compute Tr\rho_A^n for any integer n for the...
The Galilean Conformal Algebra (GCA) arises in taking the non-relativistic limit of the symmetries of a relativistic Conformal Field Theory in any dimensions. It is known to be infinite-dimensional i...
Hidden Conformal Symmetry of Extremal Kerr-Bolt Spacetimes
Hidden Conformal Symmetry Extremal Kerr-Bolt Spacetimes
2010/12/23
We show that extremal Kerr-Bolt spacetimes have a hidden conformal symmetry. In this regard, we consider the wave equation of a massless scalar field propagating in extremal Kerr-Bolt spacetimes and ...
Spontaneous Breaking of Conformal Invariance and Trace Anomaly Matching
Conformal Invariance Trace Anomaly Matching
2010/12/22
We argue that when conformal symmetry is spontaneously broken the trace anomalies in the broken and unbroken phases are matched. This puts strong constraints on the various couplings of the dilaton. U...
Higher Spin Interacting Quantum Field Theory and Higher Order Conformal Invariant Lagrangians
Quantum Field Theory Conformal Invariant Lagrangians
2010/12/22
This thesis includes several original results. All of them are already published or submitted for publication. I present here the short summary of main results: The ultraviolet singular structure of t...
Expanding universes in the conformal frame of $f(R) $ gravity
Expanding universes conformal frame $f(R) $ gravity
2010/3/17
The late time evolution of Friedmann-Robertson-Walker (FRW) models with a perfect fluid matter source is studied in the conformal frame of $f(R) $ gravity. We assume that the corresponding scalar fiel...