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66 papers · 1 filter
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…
Tau functions as Widom constants
M. Cafasso, P. Gavrylenko, O. Lisovyy
We define a tau function for a generic Riemann-Hilbert problem posed on a union of non-intersecting smooth closed curves with jump matrices analytic in their neighborhood. The tau…
Modelling of an actuated elastic swimmer
Miguel Piñeirua, Benjamin Thiria, Ramiro Godoy-Diana
We study the force production dynamics of undulating elastic plates as a model for fish-like inertial swimmers. Using a beam model coupled with Lighthill's large-amplitude elongate…
A quasi-Hopf algebra for the triplet vertex operator algebra
Thomas Creutzig, Azat M. Gainutdinov, Ingo Runkel
We give a new factorisable ribbon quasi-Hopf algebra U, whose underlying algebra is that of the restricted quantum group for sl(2) at a 2p'th root of unity. The representation cate…
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…
A Nernst current from the conformal anomaly in Dirac and Weyl semimetals
M. N. Chernodub, A. Cortijo, M. A. H. Vozmediano
We show that a conformal anomaly in Weyl/Dirac semimetals generates a bulk electric current perpendicular to a temperature gradient and the direction of a background magnetic field…