![The oscillatory behavior of magnetoresistance in [latex]NbSe_2[/latex] devices exhibits a clear dependence on layer thickness, transitioning from distinct oscillations in trilayer and four-layer structures to a more continuous response in six-layer devices and ultimately a bulk-like characteristic, a phenomenon consistently observed across varying temperatures.](https://arxiv.org/html/2602.22788v1/2602.22788v1/x2.png)
Researchers have discovered periodic magnetoresistance oscillations in few-layer niobium diselenide, revealing a unique mechanism driven by thermally activated vortices in a fluctuating superconducting state.
![The study of spin noise (SN) phase reveals that magnetic fields significantly alter phonon-magnon band spectra, with coupling between these excitations modulating the relative weight of phonon-like and magnon-like components within each band at an intrinsic frequency of [latex]\hbar\omega_{0}/J = 0.41[/latex].](https://arxiv.org/html/2602.22283v1/2602.22283v1/x2.png)
A new study demonstrates that subtle changes in phonon spectra can be used to detect previously hidden spin-nematic order and dynamics in quantum magnets.
![The distribution of pairing amplitudes-specifically [latex]\Delta_{aa;s}^{\uparrow\downarrow}[/latex], [latex]\Delta_{aa;es}^{\uparrow\downarrow}[/latex], [latex]\Delta_{aa;d+id}^{\uparrow\downarrow}[/latex] for spin singlets and [latex]\Delta_{aa;f}^{\uparrow\uparrow}[/latex], [latex]\Delta_{bb;f}^{\uparrow\uparrow}[/latex], [latex]\Delta_{aa;p+ip}^{\uparrow\uparrow}[/latex], [latex]\Delta_{bb;p+ip}^{\uparrow\uparrow}[/latex] for spin triplets-reveals the stabilized ground state phases determined by minimizing condensation energy across varying [latex]JJ[/latex] points on the A and B sublattices, with parameters μ and [latex]V_{1}[/latex] defining the observed regions.](https://arxiv.org/html/2602.22736v1/2602.22736v1/x4.png)
New research reveals how altermagnetic order can induce chiral superconductivity by reshaping electronic states and suppressing conventional pairing.
![The ground state solution [latex]\Delta\rho_{0}(s,\Lambda)[/latex] for the [latex]B_{c}(1^{-})[/latex] meson exhibits a discernible dependence on the variable <i>s</i> at a fixed value of [latex]\Lambda = 5.5\ \text{GeV}^{2}[/latex].](https://arxiv.org/html/2602.22872v1/2602.22872v1/x4.png)
A new approach to QCD sum rules, employing an inverse matrix method, significantly enhances the precision of bottom-charmed meson mass and decay constant calculations.
![Rydberg atom arrays, when modeled as a U(1) quantum link system, exhibit tunable confinement regimes-stable at spectral extremes and prone to resonant melting when initialized mid-spectrum-a dynamic governed by the relationship [latex] (n+1)V_2 = n\delta_0 [/latex] and demonstrated through the time evolution of average occupation, revealing a pathway to control quantum state stability.](https://arxiv.org/html/2602.22890v1/2602.22890v1/fig_1.jpg)
Researchers have used programmable arrays of Rydberg atoms to simulate a fundamental aspect of particle physics: the confinement of force-carrying particles.
This review explores how observing materials in strong magnetic fields reveals fundamental details about their electronic structure and drives discovery in cutting-edge materials science.
Researchers have demonstrated the creation and magnetic control of complex, multidimensional topological structures within carefully engineered photonic crystals.
![The difference in eigenvalues [latex]E_{0,\sigma}[/latex]-measured in units of the mean-field Josephson frequency [latex]\Omega_J = J\sqrt{1+\Lambda}[/latex]-varies with interaction strength Λ and normalized sum index [latex]\sigma/N[/latex] for a system of 500 particles, demarcating a branching transition line as defined by Eq. (7).](https://arxiv.org/html/2602.22857v1/2602.22857v1/x2.png)
New research reveals that macroscopic quantum self-trapping, a phenomenon predicted in superfluids, is fundamentally limited by particle number and quantum fluctuations.
![The system calculates pseudo-entropy using a defined strip geometry and boundary conditions [latex]a[/latex] and [latex]b[/latex], then employs a conformal mapping-doubling the geometry with its mirror image-to facilitate analysis.](https://arxiv.org/html/2602.22994v1/2602.22994v1/x2.png)
New research unveils a dynamic entanglement phase transition in holographic conformal field theories, mirroring phenomena observed in complex quantum systems.
New advances in Penning trap technology and quantum logic spectroscopy are enabling unprecedented precision in measurements designed to verify fundamental laws of physics.