Category: 4. Physics
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Room-temperature mid-infrared photodetector promises advances in environmental and medical monitoring
Schematic diagram of a room-temperature mid-infrared waveguide-integrated photodetector based on the Ge-on-insulator optical platform proposed in this study (top). Optical… -
Machine learning approach leads to discovery of high-performance infrared functional materials
Schematic of the synergistic framework for interpretable ML-assisted target synthesis of IRFMs. Credit: Advanced Science (2025). DOI: 10.1002/advs.202417851 …
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Bringing superconducting nanostructures to 3D
A new study demonstrates the creation of three-dimensional superconducting nanostructures, akin to a nano 3D printer, enabling local control of the superconducting state. The superconducting nanostructures can be switched on and off by rotating…
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An Egg Survives Better When Dropped on Its Side
• Physics 18, 100
Egg-drop challenges are popular science-engagement activities, but they often foster a misconception about the most impact-resistant part of an egg.
Towfiqu Barbhuiya
If dropped on its side, an egg is… Continue Reading
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A Pulsed Magnetometer Beats a Steady One
• Physics 18, s58
An atomic magnetometer using a pulsed laser may offer higher sensitivity to signs of new physics than continuous-laser versions.
J. Wang/Princeton University
An atomic…
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Interferometer Device Sees Text from a Mile Away
• Physics 18, 99
A high-resolution imaging system captures distant objects by shining laser light on them and detecting the reflected light.
Seeing the small picture. The remote-imaging system (left) shoots eight infrared… Continue Reading
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Bi-level identification of governing equations for nonlinear physical systems
La Manno, G. et al. RNA velocity of single cells. Nature 560, 494–498 (2018).
Google Scholar
Gorin, G., Svensson, V. & Pachter, L. Protein velocity and acceleration from single-cell multiomics…
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Improving PSNR and computational efficiency in orthogonal ghost imaging
We initiate our evaluation process with numerical simulation to compare the image quality produced by the novel approach with the other existing methods. Here, the target object for simulation is an image of \(200\times 200\) pixels with a square…
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Strain tuning of optical and thermoelectric properties of monolayer BAs
Optical properties
Figure 1 illustrates the band structure of monolayer BAs along the high symmetric path Γ-M-K-Γ in the Brillouin zone. The results obtained from tight-binding model (shown in blue dashed lines) are compared with those from the…
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Critical behavior of Fredenhagen-Marcu string order parameters at topological phase transitions with emergent higher-form symmetries
Toric code model and the FM string order parameter
We consider the toric code model on a square lattice in a field:
$${H}_{{\rm{TC}}}({h}_{x},{h}_{z})=-\sum _{v}{A}_{v}-\sum _{p}{B}_{p}-{h}_{x}\sum _{e}{X}_{e}-{h}_{z}\sum _{e}{Z}_{e},$$
…
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