Results 71 to 80 of about 700,670 (248)
Interfacial Synergy in a Band‐Aligned Low‐Dimensional Heterojunction Toward Broadband Photodetection
Advanced Science, EarlyView.Monolithically integrating sensing and communication, a Ta2NiSe5/Sb2Te3 heterojunction achieves visible‐to‐near‐infrared photovoltaics with high‐speed terahertz photo‐thermoelectric detection at room temperature. By engineering a Type‐II van der Waals heterojunction, we overcome the intrinsic spectral limitations and disparate physical requirements of ...
Yuanfeng Wen +20 more
wiley +1 more source
Potts models on Feynman diagrams [PDF]
Journal of Physics A: Mathematical and General, 1997 10 pages, latex, + 6 postscript ...
Johnston, D. A., Plecháč, P.
openaire +3 more sources
Diffusion–Model–Driven Discovery of Ferroelectrics for Photocurrent Applications
Advanced Science, EarlyView.We developed a diffusion model–based generative AI and high‐throughput screening framework that accelerates the discovery of photovoltaic ferroelectrics. By coupling AI driven crystal generation with machine learning and DFT screening, we identified Ca3P2 and LiCdP as new ferroelectric materials exhibiting strong polarization, feasible switching ...
Byung Chul Yeo +3 more
wiley +1 more source
Journal of High Energy Physics, 2023 A number of diagrammatic “cutting rules” have recently been developed for the wavefunction of the Universe which determines cosmological correlation functions. These leverage perturbative unitarity to relate particular “discontinuities” in Feynman-Witten
Santiago Agüí Salcedo, Scott Melville
doaj +1 more source
Group theory factors for Feynman diagrams [PDF]
, 1998 We present algorithms for the group independent reduction of group theory factors of Feynman diagrams. We also give formulas and values for a large number of group invariants in which the group theory factors are expressed.
A. N. SCHELLEKENS +7 more
core +3 more sources
Advanced Science, EarlyView.High‐throughput screening led to the identification of 67 Z‐scheme heterojunctions (comprising 2D magnetic transition metal halides and non‐magnetic transition metal chalcogenides). For CrI3/MoTe2 and CrI3/WTe2, electronic structure analysis demonstrated that synergistic crystallographic point group and built‐in electric field effects generate a ...
Hongyang Ren +8 more
wiley +1 more source
Advanced Science, EarlyView.The first TrFE‐free ferroelectric polymers exhibiting concurrently a morphotropic phase boundary and high Curie temperature are reported through a grafting strategy, which is completely different from previous methods to design MPB by composition and irradiation. This finding offers a cost‐effective solution to decode the long‐standing inverse relation
Zekai Fei +6 more
wiley +1 more source
Virial expansion with Feynman diagrams
, 2011 We present a field theoretic method for the calculation of the second and third virial coefficients b2 and b3 of 2-species fermions interacting via a contact interaction. The method is mostly analytic. We find a closed expression for b3 in terms of the 2
A. A. Abrikosov +6 more
core +1 more source
Wick rotations, Eichler integrals, and multi-loop Feynman diagrams [PDF]
, 2017 Using contour deformations and integrations over modular forms, we compute certain Bessel moments arising from diagrammatic expansions in two-dimensional quantum field theory.
Yajun Zhou
semanticscholar +1 more source
Electrodynamic metaphors: communicating particle physics with Feynman diagrams [PDF]
JCOM: Journal of Science Communication, 2002 The aim of this project is to communicate the basic laws of particle physics with Feynman diagrams - visual tools which represent elementary particle processes.
Pietroni Massimo
doaj