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43 papers · 1 filter
On representations of cyclotomic Hecke algebras
O. V. Ogievetsky, L. Poulain d'Andecy
An approach, based on Jucys--Murphy elements, to the representation theory of cyclotomic Hecke algebras is developed. The maximality (in the cyclotomic Hecke algebra) of the set of…
Scattering induced current in a tight-binding band
Laurent Bruneau, Stephan De Bievre, Claude-Alain Pillet
In the single band tight-binding approximation, we consider the transport properties of an electron in a homogeneous static electric field. We show that repeated interactions of th…
Enhanced thermopower under time-dependent gate voltage
Adeline Crépieux, Fedor Simkovic, Benjamin Cambon +1
We derive formal expressions of time-dependent energy and heat currents through a nanoscopic device using the Keldysh nonequilibrium Green function technique. Numerical results are…
Spinfoam fermions
Eugenio Bianchi, Muxin Han, Elena Magliaro +3
We describe a minimal coupling of fermions and Yang Mills fields to the loop quantum gravity dynamics. The coupling takes a very simple form.
Black Hole Entropy, Loop Gravity, and Polymer Physics
Eugenio Bianchi
Loop Gravity provides a microscopic derivation of Black Hole entropy. In this paper, I show that the microstates counted admit a semiclassical description in terms of shapes of a t…
Spinfoam Cosmology: quantum cosmology from the full theory
Francesca Vidotto
Quantum cosmology is usually studied quantizing symmetry-reduced variables. Is it possible, instead, to define quantum cosmology starting from the full quantum gravity theory? In L…