physics-of-superconductivity-and-magnetism

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Nature Communications, Published online: 12 June 2026; doi:10.1038/s41467-026-74221-7 The authors present a theoretical mechanism for the recently-observed pair density modulation in exfoliated flakes of the iron-based superconductor FeTe0.55Se0.45. The mechanism is based on the appearance of a nematic mixed s± + d superconducting phase in a system with broken glide mirror symmetry.

On anyon-excitations in topological superconductors. via Majorana zero modes: Original proposal: Review: Sankar Das Sarma, Michael Freedman, Chetan Nayak, Majorana Zero Modes and Topological Quantum Computation, npj Quantum Information 1, 15001 (2015) (nature:npjqi20151) Nur R. Ayukaryana, Mohammad H. Fauzi, Eddwi H. Hasdeo, The quest and hope of Majorana zero modes in topological superconductor …

Researchers from Johns Hopkins APL and Johns Hopkins University have developed a practical, comprehensive noise-modeling framework for quantum computers. Their work, published in PRX Quantum, offers a sevenfold improvement in predictive accuracy over existing approaches.

Scientific Reports, Published online: 06 June 2026; doi:10.1038/s41598-026-56236-8 A hardware-efficient Berkeley gate for superconducting quantum processors

Superalkalis are defined as the species having lower ionisation energies (IEs) than alkali atoms or the cations having lower electron affinities than alkali cations. Typical examples include FLi2+, OLi3+, NLi4+, etc., which can be represented by the general formula of XMk+1, where X is a central electronegative atom of valency k, and M represents alkali metal ligands. Enormous progress has been m…

The development of steady-state advanced operation modes with high fusion gain (Q) is a primary objective of magnetic confinement fusion research. The advancement of high-temperature superconducting (HTS) magnet technology has introduced a new development path using devices like SPARC. This path contrasts with the conventional low-temperature superconducting (LTS) approach represented by devices …

This technical appendix presents a toy constrained-optimization demonstration showing why binary partition intuition should not be automatically transferred to ternary or higher-channel systems. In a conserved binary partition a+b=1, additive balance and maximum multiplicative coupling coincide: by AM–GM, the pair coupling ab is maximized at a=b=1/2. In a ternary simplex a+b+c=1, however, the add…

On realizing qbits and quantum gates (hence quantum computation) via quantum states of magnetic flux through (Josephson junctions in) superconductors, manipulated via electromagnetic pulses: Michel H. Devoret, A. Wallraff, John M. Martinis, Superconducting Qubits: A Short Review [arXiv:cond-mat/0411174] John Clarke, Frank K. Wilhelm, Superconducting quantum bits, Nature 453 (2008) 1031–1042 [doi:…

Nature Chemistry, Published online: 01 June 2026; doi:10.1038/s41557-026-02169-8 Achieving simultaneous gains in power density and operational stability in proton-exchange membranes remains a formidable challenge. Now it has been shown that cation-directed assembly and sequential functionalization enable superprotonic polyanion–organic frameworks to serve as multifunctional fillers, delivering bo…

Nature Communications, Published online: 01 June 2026; doi:10.1038/s41467-026-73976-3 CsCr3Sb5 is part of a family of Kagome materials noted for hosting a rich variety of emergent phases. Here, using scanning tunnelling microscopy and spectroscopy, Huang, Xu, Que, Liu and coauthors find two charge density wave orders, intertwined with a tuneable altermagnetic spin density wave order.

Nature Communications, Published online: 01 June 2026; doi:10.1038/s41467-026-72812-y The authors present resonant inelastic X-ray scattering measurements of the cuprate superconductor La2−xSrxCuO4, observing a quantum-critical scaling collapse. From the critical exponent, they argue that the symmetry of the quantum critical point is enlarged from O(2) to O(4), implying that orders beyond just th…

Nature Communications, Published online: 01 June 2026; doi:10.1038/s41467-026-73331-6 The authors report real-time quantum error correction on Rigetti’s Ankaa-2 by integrating a scalable FPGA decoder into the control stack achieving sub-1 μs mean decoding per round and 9.6 us feedback latency. This work provides a concrete advancement on scalable fault-tolerant computing