28 citations · 83 across the 7 of their papers we have counts for
7 papers
Gapless superconductivity from extremely dilute magnetic disorder in 2H-NbSe2-xSx
Jose Antonio Moreno, Mercè Roig, Víctor Barrena +14
Most superconducting materials exhibit a vanishing density of states at the Fermi level and Anderson's theorem posits that the superconducting gap is robust against nonmagnetic dis…
Nonreciprocal Equilibrium Josephson Effect of Arbitrary Periodicity from Poor Man's Majorana Zero Modes
Panagiotis Kotetes, Mercè Roig, Brian M. Andersen
We show that the Josephson diode effect becomes possible when two coupled antiferromagnetic dimers of point-like magnetic adatoms are deposited on top of a Rashba superconductor. T…
Superconducting diodes from magnetization gradients
Mercè Roig, Panagiotis Kotetes, Brian M. Andersen
The superconducting diode effect may exist in bulk systems as well as in junctions when time-reversal and inversion symmetries are simultaneously broken. Magnetization gradients an…
Time-reversal symmetry breaking from lattice dislocations in superconductors
Clara N. Breiø, Andreas Kreisel, Mercè Roig +2
Spontaneous generation of time-reversal symmetry breaking in unconventional superconductors is currently a topic of considerable interest. While chiral superconducting order is oft…
Revisiting superconductivity in the extended one-band Hubbard model: pairing via spin and charge fluctuations
Mercè Roig, Astrid T. Rømer, P. J. Hirschfeld +1
The leading superconducting instabilities of the two-dimensional extended repulsive one-band Hubbard model within spin-fluctuation pairing theory depend sensitively on electron den…
Heat capacity double transitions in time-reversal symmetry broken superconductors
Henrik S. Røising, Glenn Wagner, Mercè Roig +2
Standard superconductors display a ubiquitous discontinuous jump in the electronic specific heat at the critical superconducting transition temperature. In a growing class of uncon…
Superconductivity in multiorbital systems with repulsive interactions: Hund's pairing vs. spin-fluctuation pairing
Mercè Roig, Astrid T. Rømer, Andreas Kreisel +2
Hund's pairing refers to Cooper pairing generated by onsite interactions that become attractive due to large Hund's exchange . This is possible in multiorbital systems even when…