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4 papers · 2 filters
Polarization dependence of the third-harmonic generation in multiband superconductors
T. Cea, P. Barone, C. Castellani +1
In a superconductor the third-harmonic generation (THG) of a strong THz pulse is enhanced below Tc by the resonant excitation of lattice-modulated charge fluctuations (LCF), which…
Higgs-mode radiance and charge-density-wave order in 2H-NbSe
Romain Grasset, Tommaso Cea, Yann Gallais +5
Despite being usually considered two competing phenomena, charge-density-wave and superconductivity coexist in few systems, the most emblematic one being the transition metal dicha…
Majorana Zero-Modes in a Two-Dimensional -Wave Superconductor
Vo Tien Phong, Niels R. Walet, Francisco Guinea
We analyze the formation of Majorana zero-modes at the edge of a two-dimensional topological superconductor. In particular, we study a time-reversal-invariant triplet phase that is…
Force-free state in a superconducting single crystal and angle-dependent vortex helical instability
J. del Valle, A. Gomez, E. M. Gonzalez +3
Superconducting 2H-NbSe2 single crystals show intrinsic low pinning values. Therefore, they are ideal materials with which to explore fundamental properties of vortices. (V, I) cha…