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41 papers · 1 filter
Quantum Fluctuations and Multifractally-Enhanced Superconductivity in Disordered Thin Films
E. S. Andriyakhina, P. A. Nosov, S. Raghu +1
The interplay between electron-electron interactions and weak localization (or anti-localization) phenomena in two-dimensional systems can significantly enhance the superconducting…
Thermodynamics and decay of de Sitter vacuum
G. E. Volovik
We discuss the consequences of unique symmetry of de Sitter spacetime, which is invariant under the modified translations, , where is…
Correlations in a weakly interacting two-dimensional random flow
I. V. Kolokolov, V. V. Lebedev, V. M. Parfenyev
We analytically examine fluctuations of vorticity excited by an external random force in two-dimensional fluid. We develop the perturbation theory enabling one to calculate nonline…
Statistical analysis of vortex condensate motion in two-dimensional turbulence
Vladimir Parfenyev
An inverse turbulent cascade in a periodic square box produces a coherent system-sized vortex dipole. We study the statistics of its motion by carrying out direct numerical simulat…
Mirror symmetry and new approach to constructing orbifolds of Gepner models
Alexander Belavin, Sergey Parkhomenko
Motivated by the principles of the conformal bootstrap, primarily the principle of Locality, simultaneously with the requirement of space-time supersymmetry, we reconsider construc…
Near-power-law temperature dependence of the superfluid stiffness in strongly disordered superconductors
Anton V. Khvalyuk, Thibault Charpentier, Nicolas Roch +2
In BCS superconductors, the superfluid stiffness is virtually constant at low temperature and only slightly affected by the exponentially low density of thermal quasiparticles. Her…