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Superconductivity papers

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Annular Majorana mode in a superconducting topological insulator
When the surface states of a topological insulator becomes superconducting, topological superconductivity can be obtained, and each vortex on the surface can host one single Majorana zero-energy mode…
Shengshan Qin, Chi Wu, Lun-hui Hu et al.Aug 6, 2026cond-mat.supr-con
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Meissner Effect and Josephson Radiation in Driven Dissipative Superconductors
Photo-induced superconducting signatures have been observed in several materials at temperatures far above their equilibrium critical temperatures, including magnetic field expulsion as in the…
Carl Philipp Zelle, Subir SachdevAug 6, 2026cond-mat.supr-con
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Temporal Berry Phase and the Emergence of Bose-Glass-Analog Phase in a Clean U(1) Superfluid
The (2+1)-dimensional U(1) sigma model with temporal Berry phase term captures zero-temperature phase-fluctuation-driven superfluid (SF) transitions in two spatial dimension. From renormalization…
Ryuichi Shindou, Pengwei Zhao, Xiaonuo FangAug 6, 2026cond-mat.supr-con
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First-principles calculation of coherence length and penetration depth based on density functional theory for superconductors
We develop a first-principles framework for evaluating the fundamental length scales of superconductivity, namely the coherence length ξ0 and the magnetic penetration depth λL, within…
Mitsuaki Kawamura, Takuya Nomoto, Niklas Witt et al.Aug 6, 2026cond-mat.supr-con
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Universal route towards field-free electrically polarity-reversible Josephson diode
The realisation of superconducting diodes that operate without external magnetic fields and allow electrical control of polarity is a key goal for the integration of nonreciprocal elements into…
Pramod K. Sharma, Sagnik Banerjee, Biswajit Dutta et al.Aug 6, 2026cond-mat.supr-con
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Kinetic Lifshitz invariants and dynamics of nonreciprocal fluctuations in superconductors
We derive the generalized time-dependent Ginzburg-Landau theory of a disordered noncentrosymmetric superconductor from the Keldysh nonlinear sigma model, using a two-dimensional electron gas with…
Tony Liu, Joaquim Telles de Miranda, Daniel Shaffer et al.Aug 5, 2026cond-mat.supr-con
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Nonlinear nanoelectromechanics of a movable Cooper-pair box
We theoretically study the dynamics of a movable Cooper-pair box coupled to a normal-metal pillar using a semiclassical approach. We analyze the dynamical stability induced by the nonlinear…
S. Park, A. Patra, L. Y. Gorelik et al.Aug 5, 2026cond-mat.supr-con
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In search of novel ductile superconductors
We performed a first-principles high-throughput screening of the mechanical properties of phonon-mediated superconductors selected from the recent experimentally synthesized superconducting materials…
Yiming Zhang, Samuel PoncéAug 5, 2026cond-mat.supr-con
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Microscopic theory of the field-induced instability of the vortex-free state in superconducting thin-film strips
In the Pearl--London theory, the edge-barrier-disappearance field of a superconducting thin-film strip depends on an arbitrary short-distance core cutoff because the vortex is treated as a point…
Takayuki KuboAug 5, 2026cond-mat.supr-con
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Fabrication of oxide/FeSe multilayer films using the PLD technique
In this study, we demonstrate the successful fabrication of TiO2/FeSe/STO and TiO2/FeSe/LaAlO3 heterostructures using PLD. When the growth rates were sufficiently low, anatase TiO2, which has been…
Tomoki Kobayashi, Hiroki Nakagawa, Ryo Ogawa et al.Aug 5, 2026cond-mat.supr-con
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Thermodynamic phase transition, pairing symmetry and Fermi surface topology in Ruddlesden-Popper nickelate films
Ruddlesden-Popper (RP) nickelates provide an uncharted territory to explore high-transition-temperature (high-TC) superconductivity and superconducting mechanism. Here, we investigate the…
Yu Miao, Zhiwei Wang, Hongxu Sun et al.Aug 4, 2026cond-mat.supr-con
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Two-phonon pairing and superconductivity in SrTiO3
We explore the possibility that the two-phonon pairing mechanism proposed by Ngai can explain superconductivity in doped strontium titanate (STO). The two-phonon deformation potential is evaluated…
Antonio Santacesaria, Cristiano Muzzi, Maria Eleonora Temperini et al.Aug 4, 2026cond-mat.supr-con
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Pressure induced magnetic-field-free superconducting diode effect in NbSe2 flake
The superconducting diode effect (SDE) is a fascinating nonreciprocal phenomenon where the critical current is different for opposite current directions. It is widely believed that realizing SDE…
Shihao Zhu, Tian Le, Cuiying Pei et al.Aug 4, 2026cond-mat.supr-con
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Pressure-induced Superconductivity in Thermoelectric Semiconductor Mg3Sb2
The intrinsic electronic structures of narrow bandgap thermoelectric (TE) materials serve as a platform for the investigation of coupling effects of quasi-particles under high pressure, enabling the…
Cuiying Pei, Yasong Wu, Airan Li et al.Aug 4, 2026cond-mat.supr-con
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Evidence for superconductivity at 190 K in a pressure-overdoped cuprate
It is well established that the critical temperature (Tc) of cuprate superconductors can be tuned by pressure. For example, compression decouples the hole doping from chemical doping allowing for…
Alexander C. Mark, Huu T. Do, David Rodriguez et al.Aug 4, 2026cond-mat.supr-con
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Correlation-renormalized spin-fluctuation pairing and the stabilization of s superconductivity in pressurized La3Ni2O7
The superconducting gap symmetry of pressurized La3Ni2O7 remains unsettled because conventional weak-coupling calculations often place the system close to competing sign-changing s- and…
Shuhong Tang, Liang-Jian ZouAug 4, 2026cond-mat.supr-con
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First-Principles Quantum-Spectral framework for Elementary Vortex Pinning in superconductors
The critical current of a type-II superconductor is controlled by vortex pinning, whose microscopic input is the elementary pinning force. Scanning tunneling spectroscopy has shown that a defect pins…
Haozhe Shi, Yuncheng Xie, Tong Zhang et al.Aug 4, 2026cond-mat.supr-con
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Two-lifetime model for the cuprates revisited
Several models of the strange-metal state of the cuprate superconductors postulate the existence of strong inelastic forward scattering of the electrons, but direct evidence of such scattering is…
František Herman, Lucia Gelenekyová, Hana Havranová et al.Aug 4, 2026cond-mat.supr-con
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Theory of Little-Parks oscillations by vortices in two-dimensional superconductors
The Little-Parks (LP) effect is a quantum phenomenon in which the superconducting transition temperature of a superconducting cylinder (or ring) oscillates periodically as a function of the magnetic…
Ying-Ming Xie, Naoto NagaosaAug 4, 2026cond-mat.supr-con
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Superconducting dome due to the Fano-Feshbach shape resonance in artificial high-Tc superlattices
In this work we provide compelling experimental validation of the Bianconi Perali Valletta (BPV) theory predicting a superconducting dome based on a quantum material design of Artificial High TC…
Gaetano Campi, Andrea Alimenti, Danielle Villa et al.Aug 3, 2026cond-mat.supr-con
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Composite quantum geometry of superconductors
The interplay of superconductivity and the quantum geometry of the normal state has recently been the subject of an array of studies, especially regarding the superfluid weight. In this work, we turn…
Florian Simon, Thomas Bernat, Annica M. Black-SchafferAug 3, 2026cond-mat.supr-con
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Screening phonon-mediated superconductors from static orbital Hamiltonians
The first-principles search for superconductors is severely limited by the high cost of electron-phonon coupling (EPC) calculations. Here we develop a low-cost, physically transparent framework that…
Jian-Feng Zhang, Ze-Feng Gao, Xiao-Qi Han et al.Aug 3, 2026cond-mat.supr-con
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Emergence of Double-Dome Superconductivity in the Pressurized Dirac Semimetal BaMg2Bi2
Dirac semimetal BaMg2Bi2 is reported to be a unique topological material that manifests surface superconductivity that coexistswith bulk band topology at ambient pressure. Here, we present a…
Qi Wang, Juefei Wu, Cuiying Pei et al.Aug 3, 2026cond-mat.supr-con
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Superconducting ternary compounds Li-X-B (X=Mo, W) within the mild pressure range: First-principles predictions
Among the superconducting hydrides under high pressure, a number of studies concentrate on the ternary compounds to explore unique superconductors, which are capable of reducing the stable pressure…
Bangshuai Zhu, Juefei Wu, Dexi Shao et al.Aug 3, 2026cond-mat.supr-con
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Cryogenic focused-ion-beam microstructuring enabling quantitative c-axis transport measurements in Tl2Ba2CuO6+δ
Absolute transport measurements in correlated quantum materials are often limited by disorder, inhomogeneity, geometric uncertainty, and small crystal size. Focused ion beam (FIB) technology offers a…
Ayanesh Maiti, Carsten Putzke, Linus Holeschovsky et al.Aug 3, 2026cond-mat.supr-con
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