Results 1 to 10 of about 27,410 (126)

Time-Dependent Second-Order Green's Function Theory for Neutral Excitations. [PDF]

Journal of Chemical Theory and Computation, 2022
We develop a time-dependent second-order Green's function theory (GF2) for calculating neutral excited states in molecules. The equation of motion for the lesser Green's function (GF) is derived within the adiabatic approximation to the Kadanoff-Baym (KB)
Wenjie Dou, Joonho Lee, D. Reichman, R. Baer, E. Rabani   +4 more
semanticscholar   +1 more source

On the extraction of the boundary conditions and the boundary ports in second-order field theories [PDF]

Journal of Mathematics and Physics, 2018
In this paper we consider second-order field theories in a variational setting. From the variational principle the Euler-Lagrange equations follow in an unambiguous way, but it is well known that this is not true for the Cartan form.
M. Schöberl, K. Schlacher
semanticscholar   +1 more source

A Monadic Second-Order Version of Tarski’s Geometry of Solids

Logic and Logical Philosophy, 2023
In this paper, we are concerned with the development of a general set theory using the single axiom version of Leśniewski’s mereology. The specification of mereology, and further of Tarski’s geometry of solids will rely on the Calculus of Inductive ...
Patrick Barlatier, Richard Dapoigny
semanticscholar   +1 more source

A recovery operator for non-transitive approaches [PDF]

, 2018
In some recent articles, Cobreros, Egré, Ripley, & van Rooij have defended the idea that abandoning transitivity may lead to a solution to the trouble caused by semantic paradoxes.
Barrio, Eduardo Alejandro, Pailos, Federico Matias, Szmuc, Damián Enrique   +2 more
core   +1 more source

An Empirical Investigation on Perception of Organizational Politics, Job Stress and Job Satisfaction Among Academicians in Pakistan Using Second-Order Construct

The Asian Conference on Arts and Humanities 2023 Official Conference Proceedings, 2023
Level of job satisfactions among academicians has remained enriched area of research for the academic’s institutions. Therefore, the rationale behind conducting research was to investigate the influence of Perception of Organizational Politics (POP) and ...
Faisal ur Rehman, Nazlina Zakaria, M. Ashraf, M. Wattoo, Shazaib Butt   +4 more
semanticscholar   +1 more source

Experimental observation of nonclassical effects on single-photon detection rates [PDF]

, 2000
It is often asserted that quantum effects can be observed in coincidence detection rates or other correlations, but never in the rate of single-photon detection. We observe nonclassical interference in a singles rate, thanks to the intrinsic nonlinearity
A. M. Steinberg, A.W. Lightstone, C.H. Monken, C.K. Hong, D.N. Klyshko, G. Di Giuseppe, J. S. Lundeen, K. J. Resch, P.G. Kwiat, R. Hanbury Brown, R.J. Glauber, R.Y. Chiao, X.Y. Zou, Y.H. Shih   +13 more
core   +2 more sources

Nonclassical Correlation of Polarization Entangled Photons in a Biexciton-Exciton Cascade [PDF]

, 2008
We develop a theoretical model to study the Intensity-Intensity correlation of polarization entangled photons emitted in a biexciton-exciton cascade.
Agarwal G S, G S Agarwal, Sumanta Das, Young R J   +3 more
core   +3 more sources

Simulation of Vibrational Circular Dichroism Spectra Using Second-Order Møller–Plesset Perturbation Theory and Configuration Interaction Doubles [PDF]

Journal of Chemical Theory and Computation
We present the first single-reference calculations of the atomic axial tensors (AATs) with wave function-based methods including dynamic electron correlation effects using second-order Møller–Plesset perturbation theory (MP2) and configuration ...
Brendan M. Shumberger, T. D. Crawford
semanticscholar   +1 more source

Contextualizing concepts using a mathematical generalization of the quantum formalism [PDF]

, 2002
We outline the rationale and preliminary results of using the State Context Property (SCOP) formalism, originally developed as a generalization of quantum mechanics, to describe the contextual manner in which concepts are evoked, used, and combined to ...
Aerts, Diederik, Gabora, Liane
core   +3 more sources

Revisiting the Orbital Energy-Dependent Regularization of Orbital-Optimized Second-Order Møller-Plesset Theory.

Journal of Chemical Theory and Computation, 2022
Optimizing orbitals in the presence of electron correlation, as in orbital-optimized second-order Møller-Plesset perturbation theory (OOMP2), can remove artifacts associated with mean-field orbitals such as spin contamination and artificial symmetry ...
Adam Rettig, J. Shee, Joonho Lee, M. Head‐Gordon   +3 more
semanticscholar   +1 more source