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381
Probing spectral features of quantum many-body systems with quantum simulators
Published 2025-02-01“…We present simulation results for the spectral features of typical quantum systems, either gapped or gapless, including quantum spins, fermions and bosons. We demonstrate how excitation spectra of spin-lattice models can be probed experimentally with IBM quantum devices.…”
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382
Nonlinear Damping as the Fourth Dimension in Optical Fiber Anemometry
Published 2025-01-01“…As the rotor encounters airflow, it spins, and mirrors on its blades reflect light across the fiber core at each pass. …”
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383
Possible signal of an exotic $$I=1$$ I = 1 , $$J=2$$ J = 2 state in the $$B \rightarrow D^{*-}D^+K^+$$ B → D ∗ - D + K + reaction
Published 2024-12-01“…We show that the data is compatible with this assumption, but also see that the mass distribution itself cannot discriminate between the spins $$J=0$$ J = 0 , 1, 2 of the state. Then we evaluate the momenta of the angular mass distribution and show that they are very different for each of the spin assumptions, and that the momenta coming from interference terms have larger strength at the resonant energy than the peaks seen in the angular integrated mass distribution. …”
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384
Emergence of a Second Law of Thermodynamics in Isolated Quantum Systems
Published 2025-01-01“…We further illustrate our bounds using numerical results from the paradigmatic example of a quantum Ising model on a chain of spins. There, we observe entropy increasing up to equilibrium values, as well as fluctuations, which expose the underlying reversible evolution in accordance with the derived bounds.…”
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385
Rotational Flocking with Spontaneous Directional Changes
Published 2021-01-01“…Hereby, we construct a structured spin model in accordance with empirical validation, which shows how distinct individual preferences converge from one consensus homeostasis to another lowest-energy equilibrium. …”
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386
Classical and quantum algorithms for many-body problems
Published 2025-01-01“…After describing a method based on natural orbitals for shortening, and thus making more reliable, quantum circuits to prepare fermionic states, we present a method based on slave spins for using a platform of Rydberg atoms to simulate lattice models of fermions. …”
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387
Connection between f-electron correlations and magnetic excitations in UTe2
Published 2025-01-01“…Abstract The detailed anisotropic dispersion of the low-temperature, low-energy magnetic excitations of the candidate spin-triplet superconductor UTe2 is revealed using inelastic neutron scattering. …”
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388
Dynamics of Proteins by Thermal Decay of Free Radicals Induced by Ultraviolet Irradiation
Published 2018-01-01“…The first transition (∼135 K) that leads 2–6% increase of total spins was observed only in the decay curves of fibroin submerged in 40% and 50% glycerol. …”
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389
“Energy for Free” in Resonance Electrical Circuits
Published 2024-01-01“…In this work, we introduce a resonance electrical circuit producing effectively a power, [Formula: see text], much greater than the PSU power, [Formula: see text], that operates it; the additional energy is attributed to the entropic effect of the spins of electrons in the circuit wires, that is regenerated during the resonance and the PSU cycles. …”
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390
A CaAl2Si2-Type Magnetic Semiconductor (Sr, Na)(Zn, Mn)2Sb2 Isostructural to 122-Type Iron-Based Superconductors
Published 2022-01-01“…No magnetic ordering has been observed when only spins are doped by (Zn, Mn) substitution. Only with carriers codoped by (Sr, Na) substitution, a ferromagnetic ordering occurs below the maximum Curie temperature TC∼9.5 K. …”
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391
Optimizing the Electrical Interface for Large-Scale Color-Center Quantum Processors
Published 2024-01-01“…As a result, a non-frequency-multiplexed 1-<inline-formula><tex-math notation="LaTeX">$\,\mathrm{m}\mathrm{m}^{2}$</tex-math></inline-formula> unit-cell architecture is proposed as the optimal solution, able to address up to one electron-spin qubit and nine nuclear-spin qubits within a 3-mW average power consumption, thus establishing the baseline for the scalable electrical interface for future large-scale color-center quantum computers.…”
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392
Ultrafast emergence of ferromagnetism in antiferromagnetic FeRh in high magnetic fields
Published 2025-02-01“…Three different types of ultrafast magnetization dynamics were observed and, using a numerically calculated H-T phase diagram, the differences were explained by different initial states of FeRh corresponding to a (i) collinear antiferromagnetic, (ii) canted antiferromagnetic and (iii) ferromagnetic alignment of spins. We argue that ultrafast heating of FeRh in the canted antiferromagnetic phase launches practically the fastest possible emergence of ferromagnetism in this material. …”
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393
Strain-induced specific orbital control in a Heusler alloy-based interfacial multiferroics
Published 2024-01-01“…The microscopic origin of manipulating spins relies on the control of orbital magnetic moments (m orb) by strain; this is essential for the high performance magnetoelectric (ME) effect. …”
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394
Dynamics of qubit entanglement in three-qubit Jaynes–Cummings model for biseparable intial states
Published 2024-12-01“…To operate a quantum computer, a set of universal gates must be implemented, such as a two-cubit gate of the controlled negation type plus one-cubit spins. As a universal alternative, three-cubic-bit gates may be used. …”
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395
Enhancement of Single‐Molecule Magnet Properties by Manipulating Intramolecular Dipolar Interactions
Published 2025-01-01“…These results suggest that the properties of SMMs can be effectively tuned and improved by rationally arranging magnetic spins via molecular engineering.…”
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396
Chirality reversal of vortices induced by surface acoustic waves
Published 2025-01-01“…The reason for this change is that the spin–vorticity coupling induced by the SAW leads to a change in the macroscopic magnetic moment through angular momentum transfer between the mechanical and electron spins. …”
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397
Oxidative potential and persistent free radicals in dust storm particles and their associations with hospitalization
Published 2024-12-01“…EPFRs were strongly associated with circulatory (3.05%; 95% confidence interval [CI]: 1.01%, 4.08%) and respiratory (2.02%; 95% CI: 1.01%, 4.08%) diseases with each increase of 1012 spins/m3. The OP effects on circulatory (3.52%; 95% CI: 2.13%, 4.92%) and respiratory diseases (2.08%; 95% CI: 1.13%, 3.04%) with each increase of 0.2 nmol/min/m3 were also statistically significant. …”
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398
Dual Jet Interaction, Magnetically Arrested Flows, and Flares in Accreting Binary Black Holes
Published 2025-01-01“…However, simulations with black hole spins misaligned with the orbital plane and simulations with larger Bondi radii saturate at lower values of horizon-penetrating magnetic flux than standard magnetically arrested disks, leading to weaker, intermittent jets owing to feedback from the weak jets or equatorial flux tubes ejected by reconnecting field lines near the horizon.…”
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399
H-AMR FORGE’d in FIRE. I. Magnetic State Transitions, Jet Launching, and Radiative Emission in Super-Eddington, Highly Magnetized Quasar Disks Formed from Cosmological Initial Cond...
Published 2025-01-01“…This powers strong winds and, for spinning BHs, relativistic jets that can spin down the BH within 5−10 Myr. …”
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400
«Green-Ligand» in Metallodrugs Design—Cu(II) Complex with Phytic Acid: Synthetic Approach, EPR-Spectroscopy, and Antimycobacterial Activity
Published 2025-01-01“…Continuous wave (CW) EPR spectra in water/glycerol frozen solution clearly indicate a presence of an exchange-coupled Cu(II)-Cu(II) dimeric unit, as well as a Cu(II) monomer-like signal arising from spins sufficiently distant from each other, with comparable contributions of two types of signals. …”
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