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Density-Functional Theory for Time-Dependent Systems

Density-Functional Theory for Time-Dependent Systems

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Erich Runge; E. K. U. Gross · Physical Review Letters · 1984

A density-functional formalism comparable to the Hohenberg-Kohn-Sham theory of the ground state is developed for arbitrary time-dependent systems. It is proven that the single-particle potential $v(\stackrel{\ensuremath{...

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Density-functional approximation for the correlation energy of the inhomogeneous electron gas

Density-functional approximation for the correlation energy of the inhomogeneous electron gas

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John P. Perdew · Physical review. B, Condensed matter · 1986

Langreth and Mehl (LM) and co-workers have developed a useful spin-density functional for the correlation energy of an electronic system. Here the LM functional is improved in two ways: (1) The natural separation between...

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Density-functional exchange-energy approximation with correct asymptotic behavior

Density-functional exchange-energy approximation with correct asymptotic behavior

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Axel D. Becke · Physical review. A, General physics · 1988

Current gradient-corrected density-functional approximations for the exchange energies of atomic and molecular systems fail to reproduce the correct 1/r asymptotic behavior of the exchange-energy density. Here we report ...

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Density-functional thermochemistry. III. The role of exact exchange

Density-functional thermochemistry. III. The role of exact exchange

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Axel D. Becke · The Journal of Chemical Physics · 1993

Despite the remarkable thermochemical accuracy of Kohn–Sham density-functional theories with gradient corrections for exchange-correlation [see, for example, A. D. Becke, J. Chem. Phys. 96, 2155 (1992)], we believe tha...

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Density Functional Theory of Atoms and Molecules

Density Functional Theory of Atoms and Molecules

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Robert G. Parr · OpenAlex · 1980

Materias / palabras clave: Electronegativity; Density functional theory; Time-dependent density functional theory; Atom (system on chip); Functional theory; Orbital-free density functional theory; Molecule; Atoms in molecules; Density matrix; Comp...

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Density Estimation for Statistics and Data Analysis

Density Estimation for Statistics and Data Analysis

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B.W. Silverman · OpenAlex · 2018

Although there has been a surge of interest in density estimation in recent years, much of the published research has been concerned with purely technical matters with insufficient emphasis given to the technique's pract...

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Affective Assessment of High and Low-Density Residential and Functional Environments

Affective Assessment of High and Low-Density Residential and Functional Environments

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Rafael Tomás et al · Servicio de Publicaciones de la Universidad de Murcia · ISSN 0212-9728

This paper contrasts high and low-density residential and functional environments through an assessment of the pleasure and arousal said environments elicit. The relationships between these affective dimensions and a mea...

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Anomalous optical gradient force induced by polarization-tuned antisymmetry in energy density gradient

Anomalous optical gradient force induced by polarization-tuned antisymmetry in energy density gradient

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Feng Lv et al · Wiley · 2025 · ISSN 2192-8614

The spatial inhomogeneity of electromagnetic energy density in an optical field typically gives rise to conservative gradient forces, which serve as the fundamental mechanism for trapping nanoparticles in optical tweezer...

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Bone Mineral Density and Osteoporosis in Hyponatremic Versus Normonatremic Patients: A Retrospective 12-Month Analysis

Bone Mineral Density and Osteoporosis in Hyponatremic Versus Normonatremic Patients: A Retrospective 12-Month Analysis

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Mümtaz TAKIR et al · Turkish Society of Nephrology · 2019 · ISSN 2667-4440

OBJECTIVE: To evaluate the change in osteoporosis rate and bone mineral density (BMD) in a cohort hyponatremic versus normonatremic patients under 12-month osteoporosis treatment. MATERIAL and METHODS: A total of 280 ...

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CHA-collagen implantation to increase alveolar bone density

CHA-collagen implantation to increase alveolar bone density

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Dody Setiawan et al · faculty of dentistry universitas gadjah mada · 2021 · ISSN 2460-0164

Tooth extraction is the common procedure in dentistry. This procedure causes a wound in teeth socket. Thus, the socket had to be secured to prevent over resorption of alveolar bone. This study used the third molar as a m...

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Cement mantle thickness in total knee arthroplasty more closely associated with tibial bone density than cement viscosity: findings from a randomized controlled trial

Cement mantle thickness in total knee arthroplasty more closely associated with tibial bone density than cement viscosity: findings from a randomized controlled trial

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Yoshinori Mikashima et al · The British Editorial Society of Bone & Joint Surgery · 2026 · ISSN 2633-1462

Aims: The aims were to assess the influence of tibial bone mineral density (BMD) and cement viscosity on cement mantle thickness in total knee arthroplasty (TKA), and to determine whether BMD is a more dominant factor th...

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Comparison of matrix metalloproteinase-13 and tissue inhibitor of metalloproteinase-1 levels and alveolar bone density in chronic periodontitis before and after scaling and root planning

Comparison of matrix metalloproteinase-13 and tissue inhibitor of metalloproteinase-1 levels and alveolar bone density in chronic periodontitis before and after scaling and root planning

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Aini Hariyani Nasution et al · faculty of dentistry universitas gadjah mada · 2022 · ISSN 2460-0164

Periodontitis is typically associated with disorders characterized by compromised tooth-supporting tissue. Damage to periodontal tissue is caused by an imbalance between matrix metalloproteinases and their inhibitors. De...

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Differentiation of Microvessel Density Based on The Breast Cancer Patient Characteristics Including Age, Stage, Tumor Size, and Lymph Node MetastasisDifferentiation of Microvessel Density Based on The Breast Cancer Patient Characteristics Including Age, Stage, Tumor Size, and Lymph Node Metastasis

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Tasya Salsabila et al · Dharmais Cancer Hospital - National Cancer Center · 2024 · ISSN 1978-3744

Background: Breast cancer is the most common malignant tumor in the world and Indonesia. One well-known prognostic marker is microvessel density (MVD), the numerical value of angiogenesis. In recent years, it has been re...

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Do changes in skull size of South American sea lions reflect changes in population density?

Do changes in skull size of South American sea lions reflect changes in population density?

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Sosa Drouville, Ailin et al · Wiley Blackwell Publishing, Inc · 2021 · ISSN 0824-0469

Populations of the South American sea lion (SASL, Otaria byronia) have been intensely exploited for leather and oil in different parts of its distribution range throughout the 19th and 20th centuries, generating large ch...

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Effect of Relative Density Variation on The Effectiveness of Fly Ash in Stabilization of Sandy Soils for Liquefaction Mitigation

Effect of Relative Density Variation on The Effectiveness of Fly Ash in Stabilization of Sandy Soils for Liquefaction Mitigation

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Yunan Yakuta Wangsawitana et al · Universitas Gadjah Mada · 2026 · ISSN 2581-1037

Indonesia is highly vulnerable to earthquakes that can trigger soil liquefaction, particularly in coastal regions where saturated sandy soils with low relative densities are prevalent. This study investigated the influen...

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Effectiveness of MIST with hydroxyapatite and β-tricalcium phosphate in alveolar bone density and osteocalcin level improvement during treatment of infrabony pockets

Effectiveness of MIST with hydroxyapatite and β-tricalcium phosphate in alveolar bone density and osteocalcin level improvement during treatment of infrabony pockets

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Aulida Arum Mubarokah et al · faculty of dentistry universitas gadjah mada · 2022 · ISSN 2460-0164

The minimally invasive surgical technique (MIST) is a method for periodontal regenerative treatment by minimizing trauma so it can preserve vascular supply of the interdental papillae. This study aims to determine the ef...

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Effects of planting density and row spacing configuration on dry matter accumulation and distribution, nutrient content, and yield in cotton

Effects of planting density and row spacing configuration on dry matter accumulation and distribution, nutrient content, and yield in cotton

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Ziwei Bai et al · Frontiers Media S.A · 2026 · ISSN 1664-462X

BackgroundDry matter accumulation and distribution constitute the essential material basis for crop yield formation, directly impacting both yield and quality development. Nonetheless, the effects of planting density on ...

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Effects of stocking density and artificial substrates on yield and water quality in a biofloc shrimp nursery culture

Effects of stocking density and artificial substrates on yield and water quality in a biofloc shrimp nursery culture

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Esmeralda Chamorro Legarda et al · Sociedade Brasileira de Zootecnia · 2018 · ISSN 1806-9290

ABSTRACT The objective of this study was to evaluate the effect of different stocking densities and the presence/absence of two artificial substrates on water quality and production rates of marine shrimp in a biofloc sh...

LCC LCC:Animal cultureIdioma eng

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Hydrophilization of magnetic nanoparticles with an amphiphilic polymer revisited: Roles of nanoparticle capping density and polymer structure

Hydrophilization of magnetic nanoparticles with an amphiphilic polymer revisited: Roles of nanoparticle capping density and polymer structure

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Lavorato, Gabriel Carlos et al · Elsevier Science · 2021 · ISSN 0169-4332

Amphiphilic comb polymers, like poly(maleic anhydride-alt-1-octadecene) (PMAO), are frequently used to transfer hydrophobic magnetic nanoparticles (NPs) into aqueous media. While it is accepted that the hydrophilization ...

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Immune cells and high-density lipoprotein cholesterol derivative markers mediate the impact of hypertriglyceridemia on hyperuricemia in diabetes mellitus

Immune cells and high-density lipoprotein cholesterol derivative markers mediate the impact of hypertriglyceridemia on hyperuricemia in diabetes mellitus

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Wei Wang et al · Frontiers Media S.A · 2026 · ISSN 1664-3224

BackgroundAs markers of inflammation and oxidative stress, immune cells and high-density lipoprotein cholesterol (HDL-c) derivative markers, such as the monocyte to HDL-c ratio (MHR) and lymphocyte to HDL-c ratio (LHR), ...

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Impact of gas density, leakage pressure, and solid content on gas plume dynamics in soil slurries: A holistic perspective of underwater pipeline leaks

Impact of gas density, leakage pressure, and solid content on gas plume dynamics in soil slurries: A holistic perspective of underwater pipeline leaks

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Jun Cheng Kho et al · Elsevier · 2026 · ISSN 2468-0133

Underwater gas pipelines are vital for energy transportation but are often subjected to harsh environments, and any leakage can have significant environmental consequences. Substantial underestimation of gas plume format...

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Improvement of revised density method for stability analysis of rigid-pile composite foundation under flexible loads

Improvement of revised density method for stability analysis of rigid-pile composite foundation under flexible loads

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LIU Ji-fu 1, ZHENG Gang 2, GONG Xiao-nan 3, XIE Yong-li 4, CHEN Chang-fu 5 · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548

The revised density method is improved based on analysis of interactions between ground soil, fill and piles in flow sliding. The density of fill outside the center of sliding surface needn’t be revised. The density of...

LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng

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Influência da irrigação, da densidade de plantio e da adubação nitrogenada nas características morfogênicas, estruturais e de produção do capim-tanzânia Morphogenesis and structural characteristics and production of guinea grass irrigated under different plants density and nitrogen doses

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Marcela de Azevedo Magalhães et al · Sociedade Brasileira de Zootecnia · 2011 · ISSN 1516-3598

O experimento foi conduzido com os objetivos de avaliar a altura do dossel com 95% de interceptação luminosa e quantificar a influência da adubação nitrogenada e da densidade de plantas nas características morfogê...

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