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47 papers · 1 filter
Brightening of dark excitons in monolayers of semiconducting transition metal dichalcogenides
M. R. Molas, C. Faugeras, A. O. Slobodeniuk +4
We present low temperature magneto-photoluminescence experiments which demonstrate the brightening of dark excitons by an in-plane magnetic field applied to monolayers of diffe…
Interacting bosons in a double-well potential : localization regime
Nicolas Rougerie, Dominique Spehner
We study the ground state of a large bosonic system trapped in a symmetric double-well potential, letting the distance between the two wells increase to infinity with the number of…
Non-Perturbative Renormalization Group for the Diffusive Epidemic Process
Malo Tarpin, Federico Benitez, Léonie Canet +1
We consider the Diffusive Epidemic Process (DEP), a two-species reaction-diffusion process originally proposed to model disease spread within a population. This model exhibits a ph…
Nuclear scissors modes and hidden angular momenta
E. B. Balbutsev, I. V. Molodtsova, P. Schuck
The coupled dynamics of low lying modes and various giant resonances are studied with the help of the Wigner Function Moments method generalized to take into account spin degrees o…
Dynamic coherent backscattering of ultrasound in three-dimensional strongly-scattering media
L. A. Cobus, B. A. van Tiggelen, A. Derode +1
We present measurements of the diffusion coefficient of ultrasound in strongly scattering three-dimensional (3D) disordered media using the dynamic coherent backscattering (CBS) ef…
Helium atom excitations by the GW and Bethe-Salpeter many-body formalism
Jing Li, Markus Holzmann, Ivan Duchemin +2
Helium atom is the simplest many-body electronic system provided by nature. The exact solution to the Schrödinger equation is known for helium ground and excited states, and repres…