Results 71 to 80 of about 1,318,770 (301)

Trions as Fundamental Species in Chemically Doped Polymer Semiconductors

Advanced Materials, EarlyView.
This work shows that exciton–charge carrier coupling in doped polymer semiconductors gives rise to multi‐particle states, including trions—quasiparticles consisting of two holes and one electron under p‐doping—and bound exciton‐hole pairs, as identified through spectroscopic and theoretical analysis.
Hongmo Li, Henry J. Kantrow, David A. Valverde‐Chávez, Meghan McNeil, Arianna Magni, Mohammad Balooch Qarai, Jude Kpare, Jaden Cramlet, Qiao He, Félix Thouin, Zhihao Feng, Yadong Zhang, Andrew Comstock, Stephen Barlow, Jason Azoulay, Seung Soon Jang, Renaud Demadrille, Martin Heeney, Seth Marder, Nicholas J. Hestand, Alberto Salleo, Frank C. Spano, Carlos Silva‐Acuña, Natalie Stingelin   +23 more
wiley   +1 more source

On Bounded Strictly Positive Operators of Closed Range and Some Applications to Asymptotic Hyperstability of Dynamic Systems

Abstract and Applied Analysis, 2013
The problem discussed is the stability of two input-output feedforward and feedback relations, under an integral-type constraint defining an admissible class of feedback controllers.
M. De la Sen
doaj   +1 more source

BRST-invariant path integral for a spinning relativistic particle [PDF]

, 1989
The propagator of a relativistic spinning particle is calculated using the Becchi-Rouet-Stora-Tyutin-(BRST)-invariant path-integral formalism of Fradkin and Vilkovisky.
J. Roca, Roca Batlle, Jaume, Gomis Torné, Joaquim, C. Batlle, Batlle Arnau, Carles, J. Gomis   +5 more
core   +1 more source

How “Green” is Your Functional Material? Assessing Environmental Impacts of Multi‐Step Synthetic Protocols in Material Sciences at Various Technology Levels

Advanced Materials, EarlyView.
Environmental Synthesis Radar (ESR) evaluates the environmental impact of (early‐stage) multi‐step chemical syntheses, providing a holistic view by using 18 midpoint impact categories. Unlike conventional life‐cycle assessment (LCA) approaches, ESR reveals three complementary metrics: overall impact Vtotal, environmental hotspots VEF, and critical ...
Laura Plein, Alexander Schommer, Florian Dietrich, Moritz Gutsch, Heike Klesper, Kevin Schuller, Lars Jahnke, Jens Leker, Klaus Meerholz   +8 more
wiley   +1 more source

Towards Hamiltonian formalism for string field theory and nonlocality

Journal of High Energy Physics
String field theories exhibit exponential suppression of interactions among the component fields at high energies due to infinite-derivative factors such as e ℓ 2 □ / 2 $$ {e}^{\ell^2\square /2} $$ in the vertices.
Chih-Hao Chang, Pei-Ming Ho, I-Kwan Lee, Wei-Hsiang Shao   +3 more
doaj   +1 more source

Recent Advances in the Korringa-Kohn-Rostoker Green Function Method

EPJ Web of Conferences, 2014
The Korringa-Kohn-Rostoker (KKR) Green function (GF) method is a technique for all-electron full-potential density-functional calculations. Similar to the historical Wigner-Seitz cellular method, the KKR-GF method uses a partitioning of space into atomic
Zeller Rudolf
doaj   +1 more source

A path integral formulation of the theory of loops

, 1984
We present a path integral formulation of the theory of loops using constrained hamiltonian ...
Singh, Lambodar P., Maharana, Jnanadeva
core   +1 more source

1T‐to‐2H Phase Evolution During Epitaxial Growth of Transition Metal Dichalcogenides

Advanced Materials, EarlyView.
During MOCVD growth of MoS2 and WSe2, a transient metallic 1T phase emerges in early, edge‐rich, chalcogen‐deficient domains and declines as the films ultimately coalesce as 2H material. Together, experiments and ReaxFF simulations link domain size, edge stoichiometry, and vacancies to this evolution.
Andrew R. Graves, Yiru Zhu, Matin Salimi Irdmusa, Nadire Nayir, Thomas V. Mc Knight, Chen Chen, Ke Wang, Adri C. T. van Duin, Joan M. Redwing   +8 more
wiley   +1 more source

Extension of Darken's quadratic formalism to dilute multicomponent solutions

, 1989
Darken's quadratic formalism is extended to multicomponent solutions. Equations are developed for the representation of the integral and partial excess free energies, entropies and enthalpies in dilute multicomponent solutions.
Srikanth, S., Jacob, K. T.
core   +2 more sources

Folded Context Condensation in Path Integral Formalism for Infinite Context Transformers

IEEE Access
In this work, we present a generalized formulation of the Transformer algorithm by reinterpreting its core mechanisms within the framework of Path Integral formalism. In this perspective, the attention mechanism is recast as a process that integrates all
Won-Gi Paeng, Daesuk Kwon, Kyungwon Jeong, Honggyo Suh   +3 more
doaj   +1 more source