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21 papers · 2 filters
Vector disformal transformation of cosmological perturbations
Vassilis Papadopoulos, Moslem Zarei, Hassan Firouzjahi +1
We study disformal transformations of cosmological perturbations by vector fields in theories invariant under U(1) gauge transformations. Three types of vector disformal transforma…
Probing the holomorphic anomaly of the , Wess-Zumino model on the lattice
Stam Nicolis
We study a generalization of the Langevin equation, that describes fluctuations, of commuting degrees of freedom, for scalar field theories with worldvolumes of arbitrary dimension…
The quantum fate of black hole horizons
Clement Berthiere, Debajyoti Sarkar, Sergey N. Solodukhin
The presence of a horizon is the principal marker for black holes as they appear in the classical theory of gravity. In General Relativity (GR), horizons have several defining prop…
A fusion for the periodic Temperley-Lieb algebra and its continuum limit
Azat M. Gainutdinov, Jesper L. Jacobsen, Hubert Saleur
The equivalent of fusion in boundary conformal field theory (CFT) can be realized quite simply in the context of lattice models by essentially glueing two open spin chains. This ha…
Stable cosmology in chameleon bigravity
Antonio De Felice, Shinji Mukohyama, Michele Oliosi +1
The recently proposed chameleonic extension of bigravity theory, by including a scalar field dependence in the graviton potential, avoids several fine-tunings found to be necessary…
Continuous-spin field propagator and interaction with matter
Xavier Bekaert, Jihad Mourad, Mojtaba Najafizadeh
Action principles for the single and double valued continuous-spin representations of the Poincare group have been recently proposed in a Segal-like formulation. We address three r…