715 citations · 4.9k across the 116 of their papers we have counts for
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Nonlinear Response of Diffusive Superconductors to -electromagnetic Fields
Pascal Derendorf, Anatoly F. Volkov, Ilya M. Eremin
Motivated by the recent experimental progress in studying conventional and unconventional superconductors in a pump-probe setup, we perform a comprehensive theoretical analysis of…
Electronic Stripe Patterns Near the Fermi Level of Tetragonal Fe(Se,S)
M. Walker, K. Scott, T. J. Boyle +13
FeSeS remains one of the most enigmatic systems of Fe-based superconductors. While much is known about the orthorhombic parent compound, FeSe, the tetragonal samples, F…
Quasiparticle approach to the transport in infinite-layer nickelates
Steffen Bötzel, Ilya M. Eremin, Frank Lechermann
The normal-state transport properties of superconducting infinite-layer nickelates are investigated within an interacting three-orbital model. It includes effective Ni-, N…
High-order nonlinear terahertz probing of the two-band superconductor MgB: Third- and fifth-order harmonic generation
C. Reinhoffer, P. Pilch, A. Reinold +16
We report on high-order harmonic generation in the two-band superconductor MgB driven by intense terahertz electromagnetic pulses. Third- and fifth-order harmonics are resolved…
Feedback of non-local nematicity on the magnetic anisotropy in FeSe
Steffen Bötzel, Ilya M. Eremin
We analyze theoretically the magnetic anisotropy in the nematic phase of FeSe by computing the spin and the orbital susceptibilities from the microscopic multiorbital model. In par…
Superconducting Instabilities in Strongly-Correlated Infinite-Layer Nickelates
Andreas Kreisel, Brian M. Andersen, Astrid T. Rømer +2
The discovery of superconductivity in infinite-layer nickelates has added a new family of materials to the fascinating growing class of unconventional superconductors. By incorpora…
Charge and Spin Supercurrents in Magnetic Josephson Junctions with Spin Filters and Domain Walls
Samme M. Dahir, Anatoly F. Volkov, Ilya M. Eremin
We analyze theoretically the influence of domain walls (DWs) on the DC Josephson current in magnetic superconducting S/Fl/F/Fl/S junctions. The Josephson junction consi…
Electronic Theory for Scanning Tunneling Microscopy Spectra in Infinite-Layer Nickelate Superconductors
Peayush Choubey, Ilya M. Eremin
Recent scanning tunneling microscopy (STM) observation of U-shaped and V-shaped spectra (and their mixture) in superconducting NdSrNiO thin films has been interpret…
Direct Visualization of a Static Incommensurate Antiferromagnetic Order by Suppressing the Superconducting Phase Coherence in Fe-doped Bi2Sr2CaCu2O8+delta
Siyuan Wan, Huazhou Li, Peayush Choubey +6
In cuprate superconductors, due to strong electronic correlations, there are multiple intertwined orders which either coexist or compete with superconductivity. Among them the anti…
Signatures of Bardasis-Schrieffer mode excitation in Third-Harmonic generated currents
Marvin A. Müller, Ilya M. Eremin
We theoretically analyze the collective modes in unconventional superconductors focusing on Bardasis-Schrieffer (BS) mode and its contribution to the third harmonic generation curr…
Specific Heat and the gap structure of a Nematic Superconductor, application to FeSe
Kazi Ranjibul Islam, Jakob Böker, Ilya M. Eremin +1
We report the results of our in-depth analysis of spectroscopic and thermodynamic properties of a multi-orbital metal, like FeSe, which first develops a nematic order and then unde…
Thermodynamics of transition to BCS-BEC crossover superconductivity in FeSeS
Y. Mizukami, M. Haze, O. Tanaka +7
The BCS-BEC crossover from strongly overlapping Cooper pairs to non-overlapping composite bosons in the strong coupling limit has been a long-standing issue of interacting many-bod…
Note on possibility of proximity induced spontaneous currents in superconductor/normal metal heterostructures
Anatoly F. Volkov, Ilya M. Eremin
We analyse the possibility of the appearance of spontaneous currents in proximated superconducting/normal metal (S/N) heterostructure when Cooper pairs penetrate into the normal me…
Interplay between nematicity and Bardasis-Schrieffer modes in the short-time dynamics of unconventional superconductors
Marvin A. Müller, Pavel A. Volkov, Indranil Paul +1
Motivated by the recent experiments suggesting the importance of nematicity in the phase diagrams of ironbased and cuprate high-Tc superconductors, we study the influence of nemati…
Non-local nematicity and the missing electron pocket in FeSe
Luke C. Rhodes, Jakob Böker, Marvin A. Müller +2
The origin of spontaneous electronic nematic ordering provides important information for understanding iron-based superconductors. Here, we analyze a scenario where the or…
Phase-sensitive determination of nodal -wave order parameter in single-band and multiband superconductors
Jakob Böker, Miguel Antonio Sulangi, Alireza Akbari +3
Determining the exact pairing symmetry of the superconducting order parameter in candidate unconventional superconductors remains an important challenge. Recently a new method, bas…
Multi-Atom Quasiparticle Scattering Interference for Superconductor Energy-Gap Symmetry Determination
Rahul Sharma, Andreas Kreisel, Miguel Antonio Sulangi +10
Complete theoretical understanding of the most complex superconductors requires a detailed knowledge of the symmetry of the superconducting energy-gap , for all mom…
Theory of Strain-Induced Magnetic Order and Splitting of and in SrRuO
Astrid T. Rømer, Andreas Kreisel, Marvin A. Müller +3
The internal structure of the superconducting state in SrRuO remains elusive at present, and exhibits evidence for time-reversal symmetry breaking. Recent muon spin relaxat…
Meissner Currents Induced by Topological Magnetic Textures in Hybrid Superconductor/Ferromagnet Structures
Samme M. Dahir, Anatoly F. Volkov, Ilya M. Eremin
Topological spin configurations in proximity to a superconductor have recently attracted great interest due to the potential application of the former in spintronics and also as an…
Evidence for an FFLO state with segmented vortices in the BCS-BEC-crossover superconductor FeSe
S. Kasahara, Y. Sato, S. Licciardello +10
We present resistivity and thermal-conductivity measurements of superconducting FeSe in intense magnetic fields up to 35 T applied parallel to the plane. At low temperatures,…
Pairing in the Two-Dimensional Hubbard Model from Weak to Strong Coupling
Astrid T. Rømer, Thomas A. Maier, Andreas Kreisel +3
The Hubbard model is the simplest model that is believed to exhibit superconductivity arising from purely repulsive interactions, and has been extensively applied to explore a vari…
Phase-dependent Spin Polarization of Cooper Pairs in Magnetic Josephson Junctions
Samme M. Dahir, Anatoly F. Volkov, Ilya M. Eremin
Superconductor-Ferromagnet hybrid structures (SF) have attracted much interest in the last decades, due to a variety of interesting phenomena predicted and observed in these struct…
Collective modes in pumped unconventional superconductors with competing ground states
Marvin A. Müller, Pavel A. Volkov, Indranil Paul +1
Motivated by the recent development of terahertz pump-probe experiments, we investigate the short-time dynamics in superconductors with multiple attractive pairing channels. Studyi…
Knight Shift and Leading Superconducting Instability From Spin Fluctuations in Sr2RuO4
A. T. Rømer, D. D. Scherer, I. M. Eremin +2
Recent nuclear magnetic resonance studies [A. Pustogow {\it et al.}, arXiv:1904.00047] have challenged the prevalent chiral triplet pairing scenario proposed for SrRuO. To…