Pollutant dispersion and nanoparticle dynamics in magnetized bioconvection for sustainable water treatment
Category: 4. Physics
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Pollutant dispersion and nanoparticle dynamics in magnetized bioconvection for sustainable water treatment
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An electro-optical Mott neuron based on niobium dioxide
Emboras, A. et al. Opto-electronic memristors: prospects and challenges in neuromorphic computing. Appl. Phys. Lett. 117, 230502 (2020).
Kendall, J. D. & Kumar, S. The building blocks of a…
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Capillary interactions drive the self-organization of bacterial colonies
Or, D., Smets, B. F., Wraith, J. M., Dechesne, A. & Friedman, S. P. Physical constraints affecting bacterial habitats and activity in unsaturated porous media—a review. Adv. Water Res. 30, 1505–1527 (2007).
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Ångström-resolution imaging of cell-surface glycans
Flynn, R. A. et al. Small RNAs are modified with N-glycans and displayed on the surface of living cells. Cell 184, 3109–3124.e3122 (2021).
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Tarbell,…
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Predicting topological entanglement entropy in a Rydberg analogue simulator
Hilbert space
Considering a system of N spins 1/2 whose Hilbert space is spanned by {|↑〉, |↓〉}⊗N, we map the dimer representation to this space using the correspondence \(\left\vert \uparrow \right\rangle =\left\vert…
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Experimental composable key distribution using discrete-modulated continuous variable quantum cryptography
DM CVQKD protocols and composable secure key
Protocol description
Figure 1 shows a flowchart of the prepare-and-measure DM CVQKD protocol with QPSK alphabet. The protocol steps read as follows:
Fig. 1 Discrete modulated continuous variable quantum…
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Flat bands on a spherical surface from Landau levels to giant-quantum-number orbitals
Single particle flat bands
The single-electron Hamiltonian on spherical surface with a magnetic monopole of strength Q at the center of the sphere is15
$${\hat{H}}_{k}=\frac{{{\bf{L}}}^{2}-{\hslash }^{2}{Q}^{2}}{2{m}_{{\rm{e}}}{R}^{2}},$$
…
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Physicists unleashed the power of the atom — but to what end?
Destroyer of Worlds: The Deep History of the Nuclear Age Frank Close Basic (2025)
First, let’s clear up some potential confusion: in Destroyer of Worlds: The Deep History of the Nuclear Age, ‘deep’ in the subtitle means, not the minutiae of…
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Investigation of Na-ion battery applicability and supercapacitance properties of ZrCr2 alloyed with Na: a first-principles study
In recent years, the need for efficient, cost-effective, and environmentally friendly energy storage systems has become increasingly urgent due to the rapid growth in portable electronics, electric vehicles, and renewable energy integration….
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Micron sized coils for the generation of high magnetic fields and field gradients
Analytical approach
In a first analytical approach, we aim at deriving guidelines for an optimum geometry of planar, single-turn microcoils with respect to the maximum field \({B}_{z}\) in the coil center. For a detailed derivation of the…
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