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Lorentz violation changes black hole disk images and polarization
Observable signatures of Lorentz violation in Hořava gravity revealed through black hole accretion disk images and polarization patterns, testable with future Event Horizon Telescope observations.
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Noisy quantum circuits can behave like shallow circuits
Theoretical analysis of how local noise restricts quantum circuits to shallow depths and prevents barren plateaus, enabling efficient classical simulation of observable expectation value estimation.
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Axion interaction Lagrangian includes WZW terms and meson decays
Complete Lagrangian for axion interactions with mesons incorporating Wess-Zumino-Witten terms and instanton effects, enabling consistent predictions for axion decay widths.
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Proton resonance radii show an early-time plateau and threshold increase
Theoretical investigation of nuclear charge radii in proton-unbound systems using complex-energy methods, revealing early-time plateau behavior and halolike threshold enhancement.