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Optical spectroscopy study of three dimensional Dirac semimetal ZrTe$_5$
Three dimensional (3D) topological Dirac materials are under intensive study recently. The layered compound ZrTe$_5$ has been suggested to be one of them by transport and ARPES experiments. Here, we perform infrared reflectivity ... Read More >
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Diluting the inflationary axion fluctuation by a stronger QCD in the early Unive ...
We propose a new mechanism to suppress the axion isocurvature perturbation, while producing the right amount of axion dark matter, within the framework of supersymmetric axion models with the axion scale induced by supersymmetry ... Read More >
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Spectral Intensities of Antiprotons and the lifetime of Cosmic Rays in the Galax ...
In this paper we note that the spectral intensities of antiprotons observed in Galactic cosmic rays in the energy range ~ 1-100 GeV by BESS, PAMELA and AMS instruments display nearly the same spectral shape as that generated by ... Read More >
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Trace-distance correlations for X states and emergence of the pointer basis in M ...
We provide analytical expressions for classical and total trace-norm (Schatten 1-norm) geometric correlations in the case of two-qubit X states. As an application, we consider the open-system dynamical behavior of such correlati ... Read More >
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On the route to shear jamming, are fragile states real?
Starting from an unjammed initial state, applying shear to a granular material of a fixed packing fraction below $\phi_J$, i.e. the isotropic jamming density of frictionless spheres can produce shear jamming states, as have been ... Read More >
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All-dielectric periodic terajet waveguide using an array of coupled cuboids
In this paper, the recently proposed technique to produce photonic jets (terajets at THz frequencies) using 3D dielectric cuboids is applied in the design of mesoscale cuboid-chain waveguide. The chains are basically designed wi ... Read More >
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Oscillatory superfluid Ekman pumping in Helium II and neutron stars
The linear response of a superfluid, rotating uniformly in a cylindrical container and threaded with a large number of vortex lines, to an impulsive increase in the angular velocity of the container is investigated. At zero temp ... Read More >
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Free-space quantum key distribution to a moving receiver
Technological realities limit terrestrial quantum key distribution (QKD) to single-link distances of a few hundred kilometers. One promising avenue for global-scale quantum communication networks is to use low-Earth-orbit satell ... Read More >
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Dip or nothingness of a Higgs resonance from the interference with a complex pha ...
We show that new resonance shapes -- a pure dip, nothingness and an enhanced pure peak -- can be produced from the interference between resonance and continuum with a relative phase. Production conditions of those new shapes are ... Read More >
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Matrix product formula for Macdonald polynomials
We derive a matrix product formula for symmetric Macdonald polynomials. Our results are obtained by constructing polynomial solutions of deformed Knizhnik--Zamolodchikov equations, which arise by considering representations of t ... Read More >