Millimeter-sized single crystals of a trilayer cuprate superconductor (Hg,Re)Ba₂Ca₂Cu₃O_8+δ that exhibits the highest superconducting transition temperature under ambient pressure, were grown reproducibly and safely.

Researchers review the recent advancements made towards solving the mysteries of the unconventional superconductivity of Sr₂RuO₄, analyzing recent experiments and theoretical models and proposing approaches to resolve current challenges.

A new study has discovered pressure-induced superconductivity in the helimagnet CrAs, originating in the vicinity of the helimagnetic ordering, representing the first example of superconductivity in Cr-based magnetic systems.

The multilayered nickelates, La₃Ni₂O₇ and La₄Ni₃O₁₀ , were investigated using nuclear magnetic resonance (NMR) at ambient pressure. Metallic electronic states under the density wave order were observed microscopically for both compounds.

A new crystal growth technique, the molten salt flux liquid transport method, was developed to produce high-quality single crystals of spin-triplet superconductor UTe₂. This method is promising for exploring the exotic superconductivity of other materials.

This review, published in the Journal of the Physical Society of Japan, provides a comprehensive summary of the electronic states observed in BEDT-TTF type organic superconductors, including metal-insulator transitions, Mottness transitions, non-Fermi liquids, quantum spin liquids, and Bose-Einstein condensation.

A new superconductor family, Sc₆MTe₂, has been discovered, comprising seven variations with magnetic elements labeled as M. Notably, only a few known superconductor families exist that involve various magnetic elements.

We measured the microwave flux-flow Hall effect in FeSe, where the cancellation of holes and electrons was observed. This is a novel effect of multi-band superconductors.

Unique diamagnetic torque signals are found in the nodal line material NaAlSi, which suggests the presence of double superconductivity; i.e., bulk superconductivity and 2D superconductivity on the crystal surface.

A new review discusses the high-temperature superconductivity mechanisms in copper oxides, explaining the various phases observed in these materials based on a nonperturbative effect called self-energy singularity.

Microscopic spin-susceptibility measurements in ultra-pure UTe₂ samples reveal that superconducting symmetry is analogous to the superfluidity of the ³He B-phase and that U deficiency has a significant impact on superconducting properties.

The enhancement and robustness of the 2π periodic Aharonov-Bohm effect can serve as a nonlocal probe of Majorana zero modes in topological superconductors that are not restricted by fermion parity.

Magnetic order and superconductivity coexist in a noncentrosymmetric topological semimetal, EuAuBi. EuAuBi exhibits a large, anisotropic critical field with Rashba spin–orbit coupling, which can help develop superconducting spintronic materials.

The topology of Fermi surfaces with heavy effective masses in strongly correlated topological superconductor UTe₂ was investigated using quantum oscillation measurements and theoretical calculations.

Iron-based superconductor, Ba_1-xRb_xFe₂As₂, exhibits “strange metal” behavior—linear dependence of resistivity on temperature. It seems that hidden electronic nematic fluctuations play a greater role than the well-known antiferromagnetic fluctuations.

The intrinsic anomalous thermal Hall effect can be an effective probe for the order parameters of non-unitary pairing states of the putative spin-triplet superconductor UTe₂

We theoretically suggest that topological Weyl superconductivity can be realized by applying a supercurrent to noncentrosymmetric line-nodal superconductors with spin–orbit coupling.

A polar-nonpolar structural phase transition and corresponding increase in superconducting transition temperature T_c are observed in chemically doped PtBi₂. T_c increases as the system approaches the phase boundary.

Researchers from Japan highlight in an editorial our current understanding of topological phases of matter, focusing on the classification of the newly discovered symmetry protected topological phases.

State-of-the-art magnetostriction measurements in a pulsed-magnetic field reveal the origin of a metamagnetic transition of spin-triplet superconductor UTe₂. We propose that the uranium valence fluctuation plays a crucial role in its metamagnetic and superconducting transitions.

A new classification theory on topological superconducting gap nodes predicts two new gap structures emerging from a nonsymmorphic crystal symmetry and angular momentum.

This Special Topics issue condenses the latest research on the enigmatic characteristics of high-temperature superconductivity in cuprates through the observation and elucidation of charge order, charge fluctuations, and other phenomena.

Shot noise measurements provide rewarding insights into system properties, non-equilibrium phenomena, and quantum effects in mesoscopic systems.

A phase diagram was constructed for Ta₂NiSe₅, a promising candidate for excitonic insulators, using high pressure as a tuning parameter. The results indicated pressure-induced superconductivity in the semimetallic phase.

Nb₂Pd₃Te₅ was found to show bulk superconductivity at 3.3 K. In contrast, Ta₂Pd₃Te₅, a 5d analogue of Nb₂Pd₃Te₅, showed nonmetallic electronic conduction, which was changed to show bulk superconductivity by chemical doping.

Interesting normal and superconducting states of NaAlSi, a topological nodal line semimetal, were revealed by the measurements using the single crystals grown by the self-flux method.

Electronic nematic correlation, in which electronic degree of freedom breaks the crystal symmetry, was found to have a potential link to the origin of high-temperature superconductivity in cooper oxide materials.

We proposed an explicit numerical integrator consisting of affine transformation pairs resulting from the checkerboard lattice for spatial discretization. It can efficiently solve time evolution equations that describe dynamical quantum phenomena under gauge fields, e.g., generation, motion, interaction of quantum vortices in superconductors or superfluids.

Scientists review the incredible progress in our understanding of the superconducting properties of iron selenide and provide their own insights, taking us one step closer to revolutionizing energy and electronics.

Comprehensive curated reviews by researchers on the latest research in hydrogen-related applications, including proton conductors, superconductivity, electrochemistry with hydrides, and more.

Reviews on the most recent advances in hydrogen science, including cutting-edge fundamental studies in condensed matter physics with hydrogen-containing materials.

Multiple superconductivity wad found in the novel spin-triplet superconductor UTe₂, which is called “Silicon of Quantum Computers”. A complicated spin-triplet state is realized as a consequence of spin degree of freedom. This result will lead to a new state of topological superconductivity.

We reveal magnetic degrees of freedom of Majorana fermions and find a new type of response that are distinct from those of conventional electrons.