![The study delineates parameter spaces where gravitational radiation signals may emerge from distinct astrophysical slingshot mechanisms-specifically, those involving magnetic monopoles with masses around [latex]10^{16}\,\mathrm{GeV}[/latex] and wrapped DD-branes-while remaining consistent with cosmological energy budgets and the sensitivity limits of current and planned gravitational wave detectors like LISA, LIGO, and the Einstein Telescope, all predicated on a Hubble constant of 68 km/s/Mpc.](https://arxiv.org/html/2603.18512v1/OmegaGW.png)
New research explores how interactions at the edges of different cosmic phases may have generated gravitational waves, seeded dark matter, and left lasting imprints on the early universe.
A novel theoretical framework challenges our understanding of gravity by exploring vector field theories and their potential to explain the universe’s expansion and the behavior of black holes.
New research reveals that extending Yang-Mills theory through analytic continuation exposes a non-Hermitian structure with implications for symmetry breaking and exceptional points.
![The behavior of disordered systems-illustrated by particle diffusion within complex energy landscapes like Sinai’s model-hinges on understanding extreme value statistics, where the positions of potential maxima and minima [latex]z_{max}[/latex] and [latex]z_{min}[/latex] dictate dynamics, and even correlated configurations-as demonstrated by directed polymers on a lattice sharing sites across sequential steps-reveal underlying structural dependencies.](https://arxiv.org/html/2603.18816v1/x3.png)
A new review explores how tools from statistical physics illuminate the behavior of extreme events in complex systems and correlated data.
![Observations of the quasar J0836+0054, when meticulously modeled against expected telescope performance [latex] PSF [/latex], reveal a subtle residual blurring-potentially indicative of Planck-scale foam-manifesting as a diminished concentration of photons within the central diffraction spike, though insufficient to confirm its existence, but establishing observational limits on the scale of such quantum gravitational effects.](https://arxiv.org/html/2603.18277v1/quasar_images.png)
New research proposes a holographic model of spacetime foam and finds evidence of its influence in high-energy cosmic events.
A new perspective reveals a fundamental connection between scattering amplitudes, traditionally calculated in the vacuum, and quantities defined on curved backgrounds using Bogoliubov coefficients.
![The rapid growth of coefficients-detailed in [latex]Eq.1[/latex] and observed within a frozen condensate-demonstrates a sector-dependent scaling, with each curve representing a distinct power of [latex]\ln(\Lambda\tau)[/latex] and revealing how these parameters contribute to the overall factorial increase.](https://arxiv.org/html/2603.17985v1/x1.png)
New analytical work reveals the complex, non-hydrodynamic evolution of a superfluid quark-gluon plasma undergoing rapid expansion.
![A localized electron state achieves quadrupole resonance through the coordinated absorption of both a phonon and a [latex]\pi\pi[/latex]-photon-a process facilitated by a linearly localized microwave and an acoustic wave whose propagation direction is rotated within the x-y plane under a static magnetic field.](https://arxiv.org/html/2603.17359v1/x1.png)
Researchers have developed a novel technique to visualize the subtle internal structure of materials, revealing previously inaccessible details about their magnetic and electric properties.
Researchers have discovered a novel method to induce non-Hermitian topological effects in passive systems by cleverly manipulating energy dissipation.
New research reveals the fascinating interplay of interactions and quantum effects in ultracold bosonic mixtures, leading to the emergence of quantum droplets and supersolid phases.