Category: 4. Physics

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  • NbN-based Josephson junctions grown by plasma-assisted molecular beam epitaxy

    NbN-based Josephson junctions grown by plasma-assisted molecular beam epitaxy

    We focused on the growth of δ-NbN due to its high Tc that can be interesting for devices like JJs. The structures grown and analyzed in this work are presented in Fig. 1. First, we investigated the growth of 30-50 nm δ-NbN layers on bulk…

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  • Low-noise hole spin qubits in germanium

    Low-noise hole spin qubits in germanium

    Low-noise hole spin qubits in germanium

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  • Nanoscale cuticle mass density variations influenced by pigmentation in butterfly wing scales

    Nanoscale cuticle mass density variations influenced by pigmentation in butterfly wing scales

    Specimens

    Individuals of wildtype Bicyclus anynana butterflies were sampled from the stock population in the Monteiro lab. A mutant yellow line was generated by a CRISPR/Cas9 knockout of the gene yellow47. Individuals of Junonia orithya were…

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  • Driven degenerate Λ -type three-level laser with squeezed vacuum reservoir

    Driven degenerate Λ -type three-level laser with squeezed vacuum reservoir

    Squeezing in a Λ -type three-level laser system is an attractive field of research with significant implications for quantum optics and technology. Squeeze refers to a decrease in quantum uncertainty in a variable (eg, phase or dimension) at the…

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  • Time-reversal symmetry breaking, collective modes, and Raman spectrum in pair-density-wave states

    Time-reversal symmetry breaking, collective modes, and Raman spectrum in pair-density-wave states

    Free energy at mean-field level

    To enable explicit calculations, we consider a specific microscopic model of PDW order on a square lattice designed to represent one Cu-O layer. The fermion dispersion is taken to be \(\xi…

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  • Mobility calculation in disordered WS2-Al2O3 stacks from first principles

    Mobility calculation in disordered WS2-Al2O3 stacks from first principles

    All mobility calculations start by constructing super-cells comprising a WS2 monolayer and defective am-Al2O3 following the precepts of ref. 30. There is indeed little information available experimentally on the morphology of the interface…

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  • Engineering a light-induced metastable state

    Engineering a light-induced metastable state

    Engineering a light-induced metastable state

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  • Pressure evolution of magnetic structure and quasiparticle excitations in anisotropic frustrated zigzag chains

    Pressure evolution of magnetic structure and quasiparticle excitations in anisotropic frustrated zigzag chains

    Frustrated magnets with anisotropic exchange interactions have garnered significant attention in recent years1,2,3,4,5,6,7,8,9,10,11,12,13,14. This is because such frustrated systems exhibit non-trivial ground states and exotic quasiparticle…

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  • Flow regime transitions in flow blurring injection through a CFD parametric study

    Flow regime transitions in flow blurring injection through a CFD parametric study

    In the initial segment of this section, the mixing flow within the flow-blurring injector is categorized into three regimes based on the fluid flow characteristics. This is followed by an exploration of screening models through the Full Factorial…

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