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- Madrid Institute for Advanced StudiesES71 papers
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25 papers · 1 filter
Chirped pulse control over the melting of superconductors
Maria Recasens, Valentin Kasper, Maciej Lewenstein +1
Strong field terahertz pulses are increasingly used to excite and control quantum materials at the ultrafast timescale. They have found widespread application by enabling direct ad…
Mirror-protected Majorana zero modes in -wave multilayer graphene superconductors
Võ Ti\'ên Phong, Héctor Sainz-Cruz, Eugene J. Mele +1
Inspired by recent experimental discoveries of superconductivity in chirally-stacked and twisted multilayer graphene, we study models of -wave superconductivity on the honeycomb…
Coexistence of bulk-nodal and surface-nodeless Cooper pairings in a superconducting Dirac semimetal
Xian P. Yang, Yigui Zhong, Sougata Mardanya +21
The interplay of nontrivial topology and superconductivity in condensed matter physics gives rise to exotic phenomena. However, materials are extremely rare where it is possible to…
Junctions and superconducting symmetry in twisted bilayer graphene
Héctor Sainz-Cruz, Pierre A. Pantaleón, Vo Tien Phong +2
Junctions provide a wealth of information on the symmetry of the order parameter of superconductors. We analyze junctions between a scanning tunneling microscope (STM) tip and supe…
Comment on: Calculation of an Enhanced Symmetry Mode Induced by Higgs Oscillations in the Raman Spectrum of High-Temperature Cuprate Superconductors
L. Benfatto, C. Castellani, T. Cea
In a recent manuscript Phys. Rev. Lett. 127, 197001 (2021) Puviani et al. claim that the Higgs mode gives an enhancement of the Raman response in the symmetric Raman chann…
THz non-linear optical response in cuprates: predominance of the BCS response over the Higgs mode
Mattia Udina, Jacopo Fiore, Tommaso Cea +3
Recent experiments with strong THz fields in unconventional cuprates superconductors have clearly evidenced an increase of the non-linear optical response below the superconducting…