Nagatsuma, T., Ducournau, G. & Renaud, C. C. Advances in terahertz communications accelerated by photonics. Nat. Photonics 10, 371–379 (2016).
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Mittleman, D. M. Twenty…
Category: 4. Physics
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X-ray parametric down-conversion reveals EUV-polariton
Experimental setup
We performed the experiment at the large solid-angle spectrometer of beamline ID20 at ESRF26. The setup’s geometry follows Fig. 1c. The incident beam passes through a Si(111)-double-crystal monochromator, limiting its…
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Spin-qubit control with a milli-kelvin CMOS chip
To evaluate single-qubit gates, we first establish a baseline using all room-temperature electronics for control. Following the usual protocol for two-spin manipulation1,24,25, the singlet state is first prepared in the (1, 3) charge…
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Pioneering but overlooked 1938 fusion experiment is recreated at last
- RESEARCH HIGHLIGHT
Modern re-run shows that Arthur Ruhlig’s conclusions,…
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A cost-effective all-in-one halide material for all-solid-state batteries
Balaish, M. et al. Processing thin but robust electrolytes for solid-state batteries. Nat. Energy 6, 227–239 (2021).
Janek, J. & Zeier, W. G. Challenges in speeding up solid-state battery development. Nat. Energy 8, 230–240 (2023).
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Nanoscale heat transport tracked at interface between semiconductor materials
- RESEARCH BRIEFINGS
Phonons are quasiparticles that carry heat, and in…
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Physics – Modeling Muddy Flows
• Physics 18, s81
A theoretical model of a surface-wave instability matches observations of a muddy debris flow in an Alpine valley.
Swiss Federal Research Institute WSL
Last…
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Evolution of dispersion-engineered metasurfaces: Debye relaxation and folded path concept
Dispersion arises from the change in a material’s refractive index based on the frequency of incident electromagnetic waves. In contrast to conventional refractive devices, the dispersion, effective…
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Observing half-integer topological winding numbers in non-Hermitian synthetic lattices
Theoretical framework
Our experimental approach commences with the construction of a 1D NH Su-Schrieffer-Heeger (SSH) model14,33,34,35,36. To facilitate this, we utilize a degenerate optical cavity, as illustrated in Fig. 1a, designed to…
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Krylov diagonalization of large many-body Hamiltonians on a quantum processor
Theory of Krylov quantum diagonalization
KQD consists of two main steps. The first is a quantum subroutine to construct the matrices
$${\tilde{H}}_{jk}=\langle {\psi }_{j}| H| {\psi }_{k}\rangle,\qquad {\tilde{S}}_{jk}=\langle {\psi }_{j}| {\psi…
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