These signatures provide a novel pathway for exploring the fundamental inflationary physics.

In nuclear magnetic resonance investigations for axion dark matter, we analyze the signal and background, discovering substantial deviations from previously published work. Measurements using spin-precession instruments reveal a substantial improvement in sensitivity to axion masses across a wide range, up to a hundred times greater than previous estimates, leveraging a ^129Xe sample. The identification potential of the QCD axion is improved, and we forecast the experimental specifications essential to achieve this targeted objective. Our results pertaining to the axion electric and magnetic dipole moment operators are comprehensive.

The disappearance of two intermediate-coupling renormalization-group (RG) fixed points, a subject of interest spanning statistical mechanics and high-energy physics, has, until now, relied exclusively on perturbative techniques for investigation. Results from high-accuracy quantum Monte Carlo calculations are provided for the SU(2)-symmetric S=1/2 spin-boson (or Bose-Kondo) model. Using a power-law bath spectrum, exponent s, we examine the model, revealing, in addition to the critical phase predicted by perturbative renormalization group calculations, a stable strong-coupling phase. A profound scaling analysis unveils the direct numerical evidence of the collision and annihilation of two RG fixed points at s^* = 0.6540(2), leading to the disappearance of the critical phase when s is less than the critical value s^*. Our findings reveal a surprising dual nature between the two fixed points, exhibiting reflection symmetry in the RG beta function, which we exploit to make highly accurate analytical predictions at strong coupling, in excellent agreement with numerical data. Our work expands the scope of large-scale simulations to include fixed-point annihilation phenomena, and we detail the effects on impurity moments in critical magnets.

Considering independent out-of-plane and in-plane magnetic fields, we perform an analysis of the quantum anomalous Hall plateau transition. The in-plane magnetic field offers a means of systematically controlling the perpendicular coercive field, the zero Hall plateau width, and the peak resistance value. The traces gathered from various fields exhibit a near-perfect convergence to a single curve upon renormalizing the field vector with an angle as a geometric parameter. Magnetic anisotropy and in-plane Zeeman field compete, while quantum transport and magnetic domain structure are closely related, consistently accounting for these outcomes. Mongolian folk medicine Mastering the zero Hall plateau's control is fundamental for finding chiral Majorana modes, originating from the proximity effect of a superconductor on a quantum anomalous Hall system.

Rotating particles' collective motion can originate from hydrodynamic interactions. As a result, this enables the creation of consistent and fluid-like flows. Medical Genetics Employing extensive hydrodynamic simulations, we investigate the interplay between these two phenomena in spinner monolayers under conditions of weak inertia. A fluctuation in the stability of the originally uniform particle layer results in the formation of particle-void and particle-rich zones. The surrounding spinner edge current propels the fluid vortex, which in turn corresponds to the particle void region. We establish that a hydrodynamic lift force between the particle and the fluid flows is responsible for the instability. Precisely adjusting the cavitation is attainable through modulating the strength of the collective flows. The spinners, confined by a no-slip surface, experience suppression; diminishing particle concentration brings about the manifestation of multiple cavity and oscillating cavity states.

We provide a sufficient condition, pertaining to collective spin-boson and permutationally invariant systems, that guarantees gapless excitations within the Lindbladian master equation. The presence of gapless modes within the Lindbladian is evidenced by a non-zero macroscopic cumulant correlation in the steady state. Gapless modes, arising within phases from competing coherent and dissipative Lindbladian terms, coupled with angular momentum conservation, may lead to sustained dynamics in spin observables, potentially leading to the development of dissipative time crystals. We scrutinize various models within this framework, from Lindbladians employing Hermitian jump operators to non-Hermitian ones comprised of collective spins and Floquet spin-boson systems. Employing a cumulant expansion, a simple analytical proof of the mean-field semiclassical approach's exactness in these systems is given.

A novel numerically exact steady-state inchworm Monte Carlo method for nonequilibrium quantum impurity models is described here. Rather than simulating the transition from an initial state to a prolonged period, the method is directly established in the steady-state condition. By circumventing the need for exploration of transient behaviors, a significantly wider span of parameter regimes is accessible with substantially lower computational overhead. Equilibrium Green's functions of quantum dots, within the context of the noninteracting and unitary limits of the Kondo regime, are used to evaluate the method. We next scrutinize correlated materials, depicted using dynamical mean field theory, that are forced out of equilibrium under an applied bias voltage. A correlated material's response to applied bias voltage exhibits a qualitative distinction from the Kondo resonance splitting observed in biased quantum dots.

Symmetry-breaking fluctuations at the start of long-range order can facilitate the conversion of symmetry-protected nodal points in topological semimetals to generically stable pairs of exceptional points (EPs). Spontaneous symmetry breaking, coupled with non-Hermitian (NH) topology, leads to the spontaneous appearance of a magnetic NH Weyl phase at the surface of a strongly correlated three-dimensional topological insulator, as it transitions from a high-temperature paramagnetic phase to a ferromagnetic state. Significant differences in lifetimes are observed for electronic excitations possessing opposite spins, resulting in an anti-Hermitian spin structure incompatible with the chiral spin texture of nodal surface states, which consequently fosters the spontaneous emergence of EPs. Numerical evidence for this phenomenon is presented through the non-perturbative solution of a microscopic multiband Hubbard model, using the framework of dynamical mean-field theory.

High-current relativistic electron beams (REB) propagation within plasma is pertinent to a multitude of high-energy astrophysical occurrences and to applications leveraging high-intensity lasers and charged-particle beams. We report a novel regime of beam-plasma interaction originating from the propagation of relativistic electron beams within a medium exhibiting fine structures. In this regime, the REB's cascade forms slender branches, with the local density enhanced a hundred times relative to the initial value, leading to energy deposition with an efficiency two orders of magnitude higher compared to homogeneous plasma where REB branching is absent, and of similar average density. Successive scattering events involving beam electrons and unevenly distributed magnetic fields, induced by localized return currents in the porous medium's skeleton, result in beam branching. The model's calculations of excitation conditions and the position of the primary branching point relative to the medium and beam parameters are in good agreement with the results from pore-resolved particle-in-cell simulations.

An analytical demonstration reveals the effective interaction potential between microwave-shielded polar molecules, which incorporates an anisotropic van der Waals-like shielding component and a modified dipolar interaction. This effective potential's accuracy is substantiated through the comparison of its scattering cross-sections to those projected from intermolecular potentials, which encompass all interaction avenues. BI-4020 order The induction of scattering resonances by microwave fields, accessible in current experiments, is demonstrated. In the microwave-shielded NaK gas, we further investigate the Bardeen-Cooper-Schrieffer pairing, leveraging the effective potential. We observe a drastic increase in the superfluid critical temperature at the resonance point. The effective potential's effectiveness in analyzing the many-body interactions within molecular gases enables our findings to pave the way for future investigations of ultracold gases, composed of microwave-shielded molecules.

At the KEKB asymmetric-energy e⁺e⁻ collider, data collected at the (4S) resonance with the Belle detector, amounting to 711fb⁻¹, is used for our study of B⁺⁺⁰⁰. In our study, the inclusive branching fraction is (1901514)×10⁻⁶, with an associated inclusive CP asymmetry of (926807)%, the first and second uncertainties being statistical and systematic, respectively. Finally, the B^+(770)^+^0 branching fraction was determined as (1121109 -16^+08)×10⁻⁶, with an additional uncertainty due to potential interference with B^+(1450)^+^0. We present an initial observation of a structure approximately 1 GeV/c^2 in the ^0^0 mass spectrum, achieving a significance of 64, and establish the branching fraction as (690906)x10^-6. A measurement of local CP asymmetry is also contained within our analysis of this structure.

Interfaces of phase-separated systems are roughened by capillary waves in a time-dependent manner. Variability within the bulk material necessitates a nonlocal description of the real-space dynamics, thus precluding the use of the Edwards-Wilkinson or Kardar-Parisi-Zhang (KPZ) equations, or their conserved counterparts. Our analysis reveals that, without detailed balance, the phase-separated interface falls under a distinct universality class, termed qKPZ. Numerical integration of the qKPZ equation is used to validate the scaling exponents, which were initially calculated using a one-loop renormalization group approach. Through the lens of a minimal field theory of active phase separation, we ultimately posit that liquid-vapor interfaces in two- and three-dimensional active systems are commonly governed by the qKPZ universality class.