381 citations · 5.2k across the 138 of their papers we have counts for
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Interplay of nematic and magnetic orders in FeSe under pressure
Daniel D. Scherer, Anthony Jacko, Christoph Friedrich +4
We offer an explanation for the recently observed pressure-induced magnetic state in the iron-chalcogenide FeSe based on \textit{ab initio} estimates for the pressure evolution of…
Unravelling incommensurate magnetism and its emergence in iron-based superconductors
Morten H. Christensen, Brian M. Andersen, Panagiotis Kotetes
We focus on a broad class of tetragonal itinerant systems sharing a tendency towards the spontaneous formation of incommensurate magnetism with ordering wavevectors $\mathbf{Q}_{1,…
Orbital selective pairing and gap structures of iron-based superconductors
Andreas Kreisel, Brian M. Andersen, Peter O. Sprau +3
We discuss the influence on spin-fluctuation pairing theory of orbital selective strong correlation effects in Fe-based superconductors, particularly Fe chalcogenide systems. We pr…
Discovery of Orbital-Selective Cooper Pairing in FeSe
Peter O. Sprau, Andrey Kostin, Andreas Kreisel +7
The superconductor FeSe is of intense interest thanks to its unusual non-magnetic nematic state and potential for high temperature superconductivity. But its Cooper pairing mechani…
Towards a quantitative description of tunneling conductance of superconductors: application to LiFeAs
A. Kreisel, R. Nelson, T. Berlijn +11
Since the discovery of iron-based superconductors, a number of theories have been put forward to explain the qualitative origin of pairing, but there have been few attempts to make…
Collective magnetic excitations of symmetric magnetic states in iron-based superconductors
Daniel D. Scherer, Ilya Eremin, Brian M. Andersen
We study the collective magnetic excitations of the recently discovered symmetric spin-density wave states of iron-based superconductors with particular emphasis on their o…
Scanning tunneling spectroscopy as a probe of multi-Q magnetic states of itinerant magnets
Maria N. Gastiasoro, Ilya Eremin, Rafael M. Fernandes +1
The combination of electronic correlations and Fermi surfaces with multiple nesting vectors can lead to the appearance of complex multi-Q magnetic ground states, hosting unusual st…
Impact of Iron-site defects on Superconductivity in LiFeAs
Shun Chi, Ramakrishna Aluru, Udai Raj Singh +10
In conventional s-wave superconductors, only magnetic impurities exhibit impurity bound states, whereas for an s+- order parameter they can occur for both magnetic and non-magnetic…
Spiral magnetic order and topological superconductivity in a chain of magnetic adatoms on a two-dimensional superconductor
M. H. Christensen, M. Schecter, K. Flensberg +2
We study the magnetic and electronic phases of a 1D magnetic adatom chain on a 2D superconductor. In particular, we confirm the existence of a `self-organized' 1D topologically non…
Unconventional disorder effects in correlated superconductors
Maria N. Gastiasoro, Fabio Bernardini, Brian M. Andersen
The understanding of disorder has profoundly influenced the development of condensed matter physics, explaining such fundamental effects as, for example, the transition from ballis…
Superconducting phase diagram of the paramagnetic one-band Hubbard model
Andreas Kreisel, Astrid T. Roemer, Peter J. Hirschfeld +1
We study spin-fluctuation-mediated superconductivity in the one-band Hubbard model. Higher order effective interactions in give rise to a superconducting instability which is v…
Electronic vortex structure of Fe-based superconductors: application to LiFeAs
B. Mencia Uranga, Maria N. Gastiasoro, Brian M. Andersen
Detailed tunneling spectroscopy of vortex core states can provide important insight to the momentum structure of the superconducting order parameter. We present a theoretical study…
Magnetic fluctuations in pair density wave superconductors
M. H. Christensen, H. Jacobsen, T. M. Maier +1
Pair density wave superconductivity constitutes a novel electronic condensate proposed to be realized in certain unconventional superconductors. Establishing its potential existenc…