143 citations · 422 across the 18 of their papers we have counts for
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High-Tc superconducting dome in artificial heterostructures made of nanoscale quantum building blocks
Antonio Valletta, Antonio Bianconi, Andrea Perali +2
While the search of high Tc superconductivity was driven mostly by trial and error methodology searching for novel materials, here we provide a quasi-first-principle quantum theory…
Kondo versus Fano in superconducting artificial high-Tc heterostructures
Gaetano Campi, Gennady Logvenov, Sergio Caprara +2
Recently, the quest for high-Tc superconductivity has evolved from the trial-and-error methodology to the growth of nanostructured artificial high-Tc superlattices (AHTS) with tail…
Spin-orbit coupling controlling the superconducting dome of artificial superlattices of quantum wells
Maria Vittoria Mazziotti, Antonio Bianconi, Roberto Raimondi +2
While it is known that a resonant amplification of Tc in two-gap superconductors can be driven by using the Fano-Feshbach resonance tuning the chemical potential near a Lifshitz tr…
Resonant multigap superconductivity at room temperature near a Lifshitz topological transition in sulfur hydrides
Maria Vittoria Mazziotti, Roberto Raimondi, Antonio Valletta +2
The maximum critical temperature for superconductivity in pressurized hydrides appears at the top of superconducting domes in Tc versus pressure curves at a particular pressure, wh…
Room temperature superconductivity dome at a Fano resonance in superlattices of wires
M. V. Mazziotti, T. Jarlborg, A. Bianconi +1
Recently room temperature superconductivity with Tc=15 degrees Celsius has been discovered in a pressurized complex ternary hydride, CSHx, which is a carbon doped H3S alloy. The na…
Multigaps superconductivity at unconventional Lifshitz transition in a 3D Rashba heterostructure at atomic limit
Vittoria Mazziotti, Antonio Valletta, Roberto Raimondi +1
It is well known that the critical temperature of multi-gap superconducting 3D heterostructures at atomic limit (HAL) made of a superlattice of atomic layers with an electron spect…
Possible Fano resonance for high Tc multi-gap superconductivity in p-Terphenyl doped by K at the Lifshitz transition
Maria Vittoria Mazziotti, Antonio Valletta, Gaetano Campi +3
Recent experiments have reported the emergence of high temperature superconductivity with critical temperature between 43K and 123K in a potassium doped aromatic hydrocarbon…
Anomalous isotope effect near a 2.5 Lifshitz transition in a multi-band multi-condensate superconductor made of a superlattice of stripes
Andrea Perali, Davide Innocenti, Antonio Valletta +1
The doping dependent isotope effect on the critical temperature (Tc) is calculated for multi-band multi-condensate superconductivity near a 2.5 Lifshitz transition. We focus on mul…
Shape resonance at a Lifshitz transition for high temperature superconductivity in multiband superconductors
Davide Innocenti, Antonio Valletta, Antonio Bianconi
We discuss the shape resonance in the superconducting gaps of a two band superconductor by tuning the chemical potential at a Lifshitz transition for Femi surface neck collapsing a…
Shape resonance for the anisotropic superconducting gaps near a Lifshitz transition: the effect of electron hopping between layers
Davide Innocenti, Sergio Caprara, Nicola Poccia +3
The multigap superconductivity modulated by quantum confinement effects in a superlattice of quantum wells is presented. Our theoretical BCS approach captures the low-energy physic…
Resonant and crossover phenomena in a multiband superconductor tuning the chemical potential near a band edge
Davide Innocenti, Nicola Poccia, Alessandro Ricci +4
Resonances in the superconducting properties, in a regime of crossover from BCS to mixed Bose-Fermi superconductivity, are investigated in a two-band superconductor where the chemi…