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We assessed the association between BMI, handgrip strength, and risk of all-cause mortality to evaluate the validity of weight reduction in older patients with hypertension.

The order parameter describing the spontaneous symmetry breaking which occurs when a system becomes a superfluid is analogous to the Higgs field in particle physics from which the Higgs boson arises. Here, the authors demonstrate the existence of a light Higgs boson in the B-phase of superfluid³He.

Terahertz microspectroscopic imaging at subgap millielectronvolt energies of a two-dimensional superfluid plasmon in few-layer Bi₂Sr₂CaCu₂O_8+x is demonstrated, allowing the spatial resolution of its deeply subdiffractive terahertz electrodynamics.

Diodes are characterized by mono-directional flow of current, yet this simplicity belies their critical importance in electronics and optics. Here, Strambini et al demonstrate a superconducting quasi-particle equivalent, achieved by the use of a thin ferromagnetic insulator.

The presence of a Higgs amplitude mode is revealed in a two-dimensional spin-half quantum antiferromagnet, C₉H₁₈N₂CuBr₄ by means of neutron scattering.

Collective bosonic modes can offer important information for understanding a wide range of superconductors. Here, the authors report evidence of a bosonic mode in the scanning tunnelling spectra of the kagome superconductor CsV_3-xTa_xSb₅, which is tentatively interpreted as the Leggett mode.

Topological superconductors are highly sought-after systems with potential applications in topological quantum computing. Here, the authors propose a scheme for realizing topological superconductivity based on the bulk energy bands and conventional superconductivity.

Multi-terminal superconducting Josephson junctions are used to induce topologically protected transitions between gapless and gapped states, showing the potential for creating artificial topological materials.

Frustrated magnetic materials attract significant interest because their properties can become dominated by quantum fluctuations. Here the authors show that excitations in the plateau phase of a quantum magnet can be understood semiclassically even though the ground state involves strong quantum effects.

The authors introduce a new spectroscopic technique for studying Higgs modes in superconductors and apply it to a cuprate superconductor. The method involves a soft quench of the Mexican-Hat potential, populating Higgs modes of different symmetries, which are then probed by non equilibrium anti-Stokes Raman scattering.

Multidimensional coherent spectroscopy measurements in iron-based superconductors demonstrate how the coupling between a superconductor and strong light pulses can drive the transition into a non-equilibrium superconducting state with distinct collective modes.

Lo scienziato britannico attese per 48 anni la scoperta della particella che porta il suo nome.

Measurements of the superfluid stiffness in twisted trilayer graphene reveal unconventional nodal-gap superconductivity, where the superconducting transition is controlled by phase fluctuations rather than Cooper-pair breaking.

The authors demonstrate magnetic-field-free electric switching of superconducting nonreciprocity in Fe₃GeTe₂/NbSe₂ heterostructures. They apply this to propose and demonstrate a proof-of-concept “neural transistor”, a tetrode device that realizes an XOR gate with only a single transistor.

Orbital order that does not break the overall crystal lattice symmetry is difficult to observe. Here, the authors use scanning tunneling microscopy on the superconductor CeCoIn₅ to detect a signature of the orbital order in quasiparticle interference which is enhanced in the superconducting state, as predicted theoretically.

Heterostructures of ferromagnets and superconductors may host exotic superconducting states. Now a circuit quantum electrodynamics technique is demonstrated that provides evidence for triplet p-wave pairing in such a heterostructure.

The observation of phase modes of charge density wave has been a long-standing challenge. Such low-energy phase excitations have now been seen in a transition metal dichalcogenide.

The joint analysis of datasets from NOvA and T2K, the two currently operating long-baseline neutrino oscillation experiments, provides new constraints related to neutrino masses and fundamental symmetries.

In strongly correlated Dirac semimetals, orbital-singlet, spin-triplet superconducting pairing becomes possible. In this work, the authors predict doubly robust Majorana flat bands bound to the vortex line: confined between the projected nodes in type-I Dirac semimetals and spanning the entire one-dimensional Brillouin zone in type-II Dirac semimetals.

A collective excitation called Higgs mode may arise in multi-band superconductors via strong interband interaction, but it is yet to be accessed. Here, the authors observe a tunable coherent amplitude oscillation of the order parameter in Ba(Fe_1−xCo_x)₂As₂, suggesting appearance and control of the Higgs mode by light tuning interband interaction.

Vortices are a feature of both superconductivity and superfluidity and are a governing factor in the performance of superconducting-based technologies. Here, the authors theoretically demonstrate how parameters of the vortex, such as position and winding number, can influence the rectification strength of the superconducting diode effect in Josephson junctions.

Despite the discovery of Majorana zero modes (MZM) in iron-based superconductors, sample inhomogeneity may destroy MZMs during braiding. Here, authors observe MZM in impurity-assisted vortices due to tuning of the bulk Dirac fermions in a homogeneous superconductor LiFeAs.

Detection of an axial Higgs mode by quantum pathway interference reveals an unconventional charge density wave phase in RTe₃.

The nickelates have received significant attention due to their proximity to the cuprates but there are still many unanswered questions about their underlying physics. Here, the authors apply DFT combined with dynamical mean field theory and density matrix embedding theory to determine the electronic structure of the infinite layer nickelate, La_0.8Sr_0.2NiO₂, where results indicate a d-wave superconducting ground state.

Photo-induced phase transitions triggered by an ultrafast excitation cannot be described within the quasi-equilibrium framework. Here, using time-resolved experimental probes, the authors report a transient charge-density-wave order in TbTe₃ and describe it using a model with a non-equilibrium transition temperature.

Symmetry-protected topological phases are special states of matter that rely on symmetries to exhibit unique, robust properties. This work explores how these properties can reappear even when the symmetry seems broken at small scales, using a model system where quantum fluctuations effectively “restore" the symmetry and revive topological behavior.

Heterostructures comprising of different materials provide the possibility to engineer devices with specific properties based on the individual characteristics and interactions between the different components. Here, the authors report the detection of proximity-induced spin-triplet Cooper pairs in a superconductor/ferromagnet/superconductor Josephson junction made of NbN and GdN respectively.

The lately reported Higgs modes in unconventional superconductors require a classification and characterization allowed by nontrivial symmetry of the gap and the quench pulses. Here, the authors provide a classification scheme of Higgs oscillations with their excitation processes allowing them to distinguish between different symmetries of the superconducting condensate.

The current efforts to look for Majorana bound states (MBS) still cannot probe the hallmark property, the non-Abelian statistics. Here, the authors propose to realize non-Abelian statistics through MBS fusion in mini-gate controlled planar Josephson junctions.

Antiferromagnetic excitonic insulators are a distinct form of excitonic insulator, in which electrons and holes are bound by magnetic exchange rather than Coulomb attraction. Here, Mazzone et al. show, using X-ray scattering, that Sr3Ir2O7 realizes this particular state.

Symmetry-allowed topological defects, like quantized vortices, often control the universal behavior of macroscopic quantum systems. Here, Mäkinen et al. report survival of half-quantum vortices in symmetry-breaking transitions to polar-distorted phases in nanostructure-confined superfluid ³He.

Here, the authors unveiled a ‘super-silencer’ and its mechanisms of action. They revealed that a combined treatment of an enhancer of zeste homolog 2 inhibitor and a repressor element 1-silencing transcription factor inhibitor can disrupt super-silencers, potentially leading to cancer ablation.

Spectroscopic evidence of equal-spin triplet Cooper pairs is still missing so far. Here, Diesch et al. propose a unique signature for the presence of equal-spin triplet pairs and experimentally reveal the spin configuration of triplet pairs at the Al/EuS interface.

Recent results from the Dark Energy Survey add to growing—but still tentative—evidence that dark energy may evolve with time rather than remaining constant. This Perspective presents these tensions and explores their potential implications for cosmology.

Exploration of magnon Bose–Einstein condensate (BEC) may enable intriguing applications in magnonic devices. Here the authors show experimentally the condensed magnons forming compact humps of BEC density can propagate many hundreds of micrometers in the form of Bogoliubov waves.

A potentially general mechanism for symmetry breaking in mesoscopic quantum systems is revealed in a theoretical study, which shows how, in a rotating Bose–Einstein condensate, the symmetry properties of the true many-body state are related to those of its mean-field approximation.

Although attempts to identify magnetic monopoles in free space have been unsuccessful, monopole-like particles with classical dynamics have been reported in magnetic materials called spin ice. Kimura et al. identify quantum fluctuations of monopolar character in a new type of spin ice, Pr₂Zr₂O₇

Topological superconductivity is the holy grail for implementing fault-tolerant quantum computation. Here, the authors show that for a superconducting monolayer T_d−MoTe₂ characterized by the Ising plus in-plane spin-orbit coupling, applying an in-plane magnetic field can drive it to a topological superconductor.