Revisiting vestigial order in nematic superconductors: gauge-field mechanisms and model constraintsAn electronic nematic order that originates from superconducting fluctuation but persists above the superconducting transition temperature is often referred to as a vestigial nematic phase. Such a…Ilaria Maccari, Egor Babaev, Johan Carlström·May 16, 2025SaveLearn
Linear Magnetoresistance and Anomalous Hall Effect in the Superconductor NiBi3The NiBi3 compound exhibits a compelling interplay between superconductivity and magnetism, further enriched by topological characteristics that make it an exceptional platform for exploring…Gabriel Sant'ana, Jully Paola Peña Pacheco, David Mockli et al.·May 16, 2025SaveLearn
Pressure induced evolution of anisotropic superconductivity and Fermi surface nesting in a ternary borideUsing Migdal-Eliashberg theory implemented in Electron Phonon Wannier (EPW) code, we have investigated anisotropic superconductivity in a ternary boride Ta(MoB)2. It is a single-gap,…Subhajit Pramanick, Sudip Chakraborty, A. Taraphder·May 16, 2025SaveLearn
Role of Nematic Fluctuations on Superconductivity in FeSe0.47Te0.53 Revealed by NMR under PressureThe relationship between antiferromagnetic (AFM) spin fluctuations (SF), nematic fluctuations, and superconductivity (SC) has been central to understanding the pairing mechanism in iron-based…Qing-Ping Ding, Juan Schmidt, Jose A. Moreno et al.·May 16, 2025SaveLearn
Born-limit scattering and pair-breaking crossover in d-wave superconductivity of (TMTSF)2ClO4In the quasi-one-dimensional organic unconventional superconductor (TMTSF)2ClO4, the randomness of the non-centrosymmetric ClO4 anions can be experimentally controlled by adjusting the cooling rate…Shota Yano, Kazumi Fukushima, Katsuki Kinjo et al.·May 16, 2025SaveLearn
Neutron Spin Resonance Near a Lifshitz Transition in Overdoped Ba0.4K0.6Fe2As2Elucidating the relationship between spin excitations and fermiology is essential for clarifying the pairing mechanism in iron-based superconductors (FeSCs). Here, we report inelastic neutron…Yang Li, Dingsong Wu, Yingjie Shu et al.·May 16, 2025SaveLearn
Topological surface states in γ-PtBi2 evidenced by scanning tunneling microscopyFor the application of topological materials, the specific location of their topological surface states with respect to the Fermi level are important. γ-PtBi2 has been demonstrated to be a Weyl…Yunkai Guo, Jingming Yan, Wen-Han Dong et al.·May 16, 2025SaveLearn
Quantum Lifshitz points in an altermagnetic metalWe predict the existence of two tri-critical quantum Lifshitz points in recently discovered d-wave altermagnetic metals subjected to an external magnetic field. These points connect a spatially…Hui Hu, Xia-Ji Liu·May 15, 2025SaveLearn
Unconventional superconductivity of an altermagnetic metal: Polarized BCS and inhomogeneous Fulde-Ferrell-Larkin-Ovchinnikov statesWe investigate the superconductivity of two-dimensional spin-1/2 Fermi systems with d-wave altermagnetism under external magnetic field near zero temperature. At large altermagnetic coupling…Hui Hu, Zhao Liu, Xia-Ji Liu·May 15, 2025SaveLearn
Microwave resonator for measuring time-reversal symmetry breaking at cryogenic temperaturesWe present a microwave-frequency method for measuring polar Kerr effect and spontaneous time-reversal symmetry breaking (TRSB) in unconventional superconductors. While this experiment is motivated by…T. Chouinard, D. M. Broun·May 15, 2025SaveLearn
Floquet engineering triplet superconductivity in superconductors with spin-orbit coupling or altermagnetismWe study superconductivitiy under light irradiation based on the Floquet-Magnus expansion in the high-frequency regime. We find that, in spin-singlet superconductors with spin-orbit coupling, triplet…Takehito Yokoyama·May 15, 2025SaveLearn
Charge density waves and soft phonon evolution in the superconductor BaNi2(As1-xPx)2The superconductor BaNi2As2 exhibits a soft-phonon-driven, incommensurate charge density wave (I-CDW) which is accompanied by a small orthorhombic structural phase transition. Upon further…Tom Lacmann, Sofia-Michaela Souliou, Fabian Henssler et al.·May 14, 2025SaveLearn
Current Conservation in the Self-Consistent Josephson JunctionConventional treatments of Josephson junctions (JJs) are typically not current-conserving. In the mean-field BCS theory, current conservation is only guaranteed if the superconducting order parameter…Simon Krekels, Vukan Levajac, Kristof Moors et al.·May 14, 2025SaveLearn
Functional approach to superfluid stiffness: Role of quantum geometry in unconventional superconductivityNontrivial quantum geometry of electronic bands has been argued to facilitate superconductivity even for the case of flat dispersions where the conventional contribution to the superfluid weight is…Maximilian Buthenhoff, Tobias Holder, Michael M. Scherer·May 14, 2025SaveLearn
Unconventional polaronic ground state in superconducting LiTi2O4Geometrically frustrated lattices can display a range of correlated phenomena, ranging from spin frustration and charge order to dispersionless flat bands due to quantum interference. One…Zubia Hasan, Grace A. Pan, Harrison LaBollita et al.·May 14, 2025SaveLearn
Bulk superinsulation and polar nematic order in nanopatterned NbTiNWe present an experimental evidence of 3D superinsulation in a nanopatterned slab of NbTiN, given by the Vogel-Fulcher-Tamman (VFT) scaling of the conductance when approaching the critical…A. Yu. Mironov, C. A. Trugenberger, M. C. Diamantini et al.·May 14, 2025SaveLearn
Origin of local magnetic exchange interaction in infiite-layer nickelatesSignificant magnetic exchange interactions have been observed in infinite-layer nickelates RNiO2 (R = La, Pr, Nd), which exhibit unconventional superconductivity upon hole doping. Despite their…Yanbing Zhou, Dan Zhao, Boyun Zeng et al.·May 14, 2025SaveLearn
Measuring superconducting arcs by ARPESAngle-resolved photoemission spectroscopy is the leading tool for studying the symmetry and structure of the order parameter in superconductors. The recent improvement of the technique made it…Andrii Kuibarov, Susmita Changdar, Alexander Fedorov et al.·May 14, 2025SaveLearn
Quantum confinement theory of ultra-thin films: electronic, thermal and superconducting propertiesThe miniaturization of electronic devices has led to the prominence, in technological applications, of ultra-thin films with a thickness ranging from a few tens of nanometers to just about 1-2…Alessio Zaccone·May 13, 2025SaveLearn
Epitaxial growth of gold films on the elemental superconductors V(100), Nb(100) and Nb(110)Quantum technologies require a new generation of superconducting electronic devices and circuitry. However, the superconducting materials used to construct them are restricted to a class of bulk…Dongfei Wang, Katerina Vaxevani, Danilo Longo et al.·May 13, 2025SaveLearn
Probing time-reversal symmetry breaking at microwave frequenciesMotivated by experiments carried out in the near infrared using zero-loop-area Sagnac interferometers, we explore electromagnetic signatures of time-reversal symmetry breaking (TRSB) at microwave…T. Chouinard, D. M. Broun·May 13, 2025SaveLearn
Two-step phase transitions in Fe(Se,Te)In the studied crystals of FeSe0.7 Te0.3 , a structural phase transition occurs in two stages. At higher temperatures, the electronic subsystem undergoes a reconstruction, leading to a significant…D. A. Chareev, A. A. Gippius, Y. A. Ovchenkov et al.·May 12, 2025SaveLearn
Superconducting Dome and Quantum Criticality in Two-Dimensional NbO2 Triangular LatticeThe emergence of superconductivity with strong correlation is one of the most attracted issues in condensed-matter physics, as seen in various unconventional superconductors. Here we show a new…Takuto Soma, Kohei Yoshimatsu, Akira Ohtomo·May 12, 2025SaveLearn
The uniqueness of the driven φ0 Josephson junction: when steps are not ShapiroThe φ0 superconductor-ferromagnet-superconductor Josephson junction exhibits unique locking phenomena under the external periodic signal when the magnetic component is taken into account. Contrary…K. Kulikov, J. Tekić, E. Kovalenko et al.·May 12, 2025SaveLearn
Variational Quantum Monte Carlo investigations of the superconducting pairing in La3Ni2O7We investigate the pairing symmetry in the novel superconductor La3Ni2O7 under pressure by the non-perturbative variational quantum Monte Carlo. Within the bilayer Hubbard model and extended…Yi-Qun Liu, Da Wang, Qiang-Hua Wang·May 12, 2025SaveLearn