Frontiers of Physics
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Boltzmann distribution of free energies in a finite-connectivity spin-glass system and the cavity approach
Frontiers of Physics - Tập 2 Số 2 - Trang 238-250 - 2007
Self-trapped spatially localized states in combined linear-nonlinear periodic potentials
Frontiers of Physics - - 2020
Ab initio studies of copper hydrides under high pressure
Frontiers of Physics - Tập 14 - Trang 1-6 - 2019
The crystal structure, electronic structure, and superconductivity of copper hydrides at high pressure have been studied by ab initio calculation. Consistent with experimental report, results show that the predicted stoichiometry Cu2H with the P-3m1 space group is stable above 16.8 GPa. The stoichiometry of CuH with the Fm-3m space group is predicted to be synthesized above 30 GPa, but it is metas......
Strain induced topological transitions in twisted double bilayer graphene
Frontiers of Physics - Tập 17 - Trang 1-9 - 2022
We theoretically study the band structures and the valley Chern numbers of the AB—AB and AB—BA stacked twisted double bilayer graphene under heterostrain effect. In the absence of heterostrain, due to the constrains by the spatial symmetries, the central two flat bands of the AB—AB are topological trivial bands, while in the AB—BA they have a finite Chern number. The heterostrain breaks all the po......
Simulation of EOM-based frequency-chirped laser slowing of MgF radicals
Frontiers of Physics - Tập 17 - Trang 1-11 - 2021
Here we propose a scheme to slow MgF molecules by using EOM-based frequency-chirped radiation pressure slowing. The scheme well addresses the need for a rapid chirp rate while light molecules are being laser slowed, whose scattering rate and recoil velocity are large. Two EOMs are used to compensate the rapidly changing Doppler shifts arised from the movement of molecules, and to cover the hyperfi......
Graphitic carbon nitride based single-atom photocatalysts
Frontiers of Physics - Tập 15 Số 3 - Trang 1-14 - 2020
Single-atom photocatalysts, due to their high catalysis activity, selectivity and stability, become a hotspot in the field of photocatalysis. Graphitic carbon nitride (g-C3N4) is known as both a good support for single atoms and a star photocatalyst. Developing g-C3N4-based single-atom photocatalysts exhibits great potential in improving the photocatalytic performance. In this review, we summarize......
Accelerating inverse crystal structure prediction by machine learning: A case study of carbon allotropes
Frontiers of Physics - Tập 15 - Trang 1-7 - 2020
Based on structure prediction method, the machine learning method is used instead of the density functional theory (DFT) method to predict the material properties, thereby accelerating the material search process. In this paper, we established a data set of carbon materials by high-throughput calculation with available carbon structures obtained from the Samara Carbon Allotrope Database. We then t......
Eigenstate properties of the disordered Bose–Hubbard chain
Frontiers of Physics - - 2024
Many-body localization (MBL) of a disordered interacting boson system in one dimension is studied numerically at the filling faction one-half. The von Neumann entanglement entropy SvN is commonly used to detect the MBL phase transition but remains challenging to be directly measured. Based on the U(1) symmetry from the particle number conservation, SvN can be decomposed into the particle number en......
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