نتایج جستجو برای: fock method rhf

تعداد نتایج: 1635690  

Journal: :IPOL Journal 2015
Mauricio Delbracio Pablo Musé Antoni Buades Jean-Michel Morel

This paper details the recently introduced Ray Histogram Fusion (RHF) filter for accelerating Monte Carlo renderers [M. Delbracio et al., Boosting Monte Carlo Rendering by Ray Histogram Fusion, ACM Transactions on Graphics, 33 (2014)]. In this filter, each pixel in the image is characterized by the colors of the rays that reach its surface. Pixels are compared using a statistical distance on th...

2006
A. BARAN A. STASZCZAK J. DOBACZEWSKI W. NAZAREWICZ

Spontaneous fission barriers, quadrupole inertia tensor, and zero-point quadrupole correlation energy are calculated for 252,256,258 Fm in the framework of the self-consistent Skyrme-Hartree-Fock+BCS theory. Two ways of computing collective inertia are employed: the Gaussian Overlap Approximation to the Generator Coordinate Method and cranking ansatz. The Skyrme results are compared with those ...

2015
Pavan Kumar Valavala PAVAN KUMAR VALAVALA Ranjit Pati Gregory M. Odegard Ravindra Pandey

.......................................................................................................... 5 Chapter 1 – Introduction ............................................................................. 8 1.1 Carbon Nanomaterials ............................................................................................9 1.2 Applications of Carbon Nanotubes ..............................

Journal: :Jetp Letters 2021

The result of removing heavy particles with different mass from the theory spectrum can be described at low energy by effective action, which is an asymptotic series in inverse powers mass. It demonstrated how leading terms calculated on basis Fock–Schwinger proper time method. Theory broken $$U(3) \times U(3)$$ chiral symmetry considered to illustrate this approach. shown that masses lead form...

Journal: :Circulation research 1977
P G Schmid H E Mayer A L Mark D D Heistad F M Abboud

We investigated neurogenic, non-neurogenic, and structural contributions to vascular resistance in hindquarters in five groups of guinea pigs after heart failure produced by (1) constriction of the pulmonary artery (RHF), (2) constriction of the ascending aorta (LHFA), and (3) constriction of the descending thoracic aorta (LHFD); (4) after left ventricular hypertrophy produced by mild constrict...

Journal: :The European respiratory journal 2011
A Campo S C Mathai J Le Pavec A L Zaiman L K Hummers D Boyce T Housten N Lechtzin H Chami R E Girgis P M Hassoun

The aim of this study was to examine the causes and outcomes of hospitalisation in patients with pulmonary arterial hypertension (PAH). 205 consecutive hospitalisations occurring between 2000 and 2009 in 90 PAH patients were studied. The leading causes for hospitalisation were right heart failure (RHF; 56%), infection (16%) and bleeding disorders (8%). For patients with RHF, in-hospital mortali...

2015
Zhuo Xu Bo Gu Michiyasu Mori Timothy Ziman Sadamichi Maekawa

Articles you may be interested in Electronic correlation without double counting via a combination of spin projected Hartree-Fock and density functional theories Capturing static and dynamic correlations by a combination of projected Hartree-Fock and density functional theories J. Bounds on the overlap of the Hartree-Fock, optimized effective potential, and density functional approximations wit...

2008
D. J. Bedingham H. F. Jones

We show how the linear delta expansion, as applied to the slow-roll transition in quantum mechanics, can be recast in the closed time-path formalism. This results in simpler, explicit expressions than were obtained in the Schrödinger formulation and allows for a straightforward generalization to higher dimensions. Motivated by the success of the method in the quantummechanical problem, where it...

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