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Related papers: T-shaped dimer of coronene

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We review some of the recent results in the context of the Coulomb interaction between dielectric surfaces which are randomly charged but remain net-neutral on the average. Such surfaces are found to interact in vacuum with attractive…

Soft Condensed Matter · Physics 2012-09-18 David S. Dean , Ali Naji , Ronald R. Horgan , Jalal Sarabadani , Rudolf Podgornik

The implications of soft `patchy' interactions on the orientational disorder-order transition of strongly elongated colloidal rods and flat disks is studied within a simple Onsager-van der Waals density functional theory. The theory…

Soft Condensed Matter · Physics 2015-06-17 H. H. Wensink , E. Trizac

Interactions between negatively charged aluminosilicate species and positively charged metal cations are critical to many important engineering processes and applications, including sustainable cements and aluminosilicate glasses. In an…

Materials Science · Physics 2023-01-18 Kai Gong , Kengran Yang , Claire E. White

In this paper, we introduce a new interacting mechanism within the dark sector, encompassing both dark energy and dark matter, while grounding our analysis in the familiar framework of the $\mathrm{\Lambda CDM}$ model augmented by baryons…

General Relativity and Quantum Cosmology · Physics 2025-08-13 Martín G. Richarte , Luiz F. Guimarães , Susana J. Landau , Júlio C. Fabris

A simple theory is proposed for the dispersive molecular binding of unusually high magnitude due to an enhanced polarizability. Two alternative ways have so far been considered in the literature leading to the polarizability enhancement:…

Soft Condensed Matter · Physics 2007-05-23 Mladen Georgiev , Alexander Gochev , Jai Singh

It is supported a recent proposal by Maksimov that electron-phonon interaction (EPI) (Gruneisen-Bloch formulae) determines the linearity of temperature dependence of resistivity for both HTSC-cuprates and most of metals at T near above 0.2…

Superconductivity · Physics 2007-05-23 L. S. Mazov

In this article we present and compare two different, coarse-grained approaches to model electrostatic interactions of disc-shaped aromatic molecules, specifically coronene. Our study builds on previous work [J. Chem. Phys. 141, 214110…

Soft Condensed Matter · Physics 2016-03-14 Thomas Heinemann , Karol Palczynski , Joachim Dzubiella , Sabine H. L. Klapp

In the present work, we investigate the thermoelectric properties of a T-shaped double quantum dot system coupled to two metallic leads incorporating the intra-dot Coulomb interaction. We explore the role of the interference effects and…

Mesoscale and Nanoscale Physics · Physics 2018-04-03 G. Gómez-Silva , P. A. Orellana , E. V. Anda

We investigate the van der Waals interactions in solid molecular hydrogen structures. We calculate enthalpy and the Gibbs free energy to obtain zero and finite temperature phase diagrams, respectively. We employ density functional theory…

Materials Science · Physics 2019-05-10 Sam Azadi , Graeme J. Ackland

Since the quark model was put forward, theoretical researchers have always attached great importance to the study of hidden color channels (including color octets and diquark structure). Because of the influence of color Van der waals…

High Energy Physics - Phenomenology · Physics 2024-02-27 Yue Tan , Xuejie Liu , Xiaoyun Chen , Yuheng Wu , Hongxia Huang , Jialun Ping

Ubiquitous Van der Waals interactions between atoms and molecules are important for many molecular and solid structures. These systems are often studied from first principles using the Density Functional Theory (DFT). However, the commonly…

Materials Science · Physics 2009-11-13 Pier Luigi Silvestrelli

Micro-electro-mechanical system and nano-electro-mechanical system (MEMS and NEMS) transistors are considered promising for size-reducing and power-maximizing electronic devices. However, the tribopolymer which forms due to the mechanical…

Materials Science · Physics 2015-11-12 Yubo Qi , Jing Yang , Andrew M. Rappe

The electronic orders appearing in condensed matter systems are originating from the precise arrangement of atoms constituting the crystal as well as their nature. This teneous relationship can lead to highly different phases in condensed…

In principle, density functional theory yields the correct ground-state densities and energies of electronic systems under the action of a static external potential. However, traditional approximations fail to include Van der Waals energies…

Condensed Matter · Physics 2016-08-31 Walter Kohn , Yigal Meir , Dmitrii E. Makarov

We propose a second version of the van der Waals density functional (vdW-DF2) of Dion et al. [Phys. Rev. Lett. 92, 246401 (2004)], employing a more accurate semilocal exchange functional and the use of a large-N asymptote gradient…

Materials Science · Physics 2010-08-17 Kyuho Lee , Éamonn D. Murray , Lingzhu Kong , Bengt I. Lundqvist , David C. Langreth

In this paper we consider the {\it Density Functional Theory} (DFT) framework, where a functional of the form $$F_\eps(\rho)=\eps T(\rho)+bC(\rho)-U(\rho)$$ has to be minimized in the class of non-negative measures $\rho$ which have a…

Mathematical Physics · Physics 2025-07-02 Guy Bouchitté , Giuseppe Buttazzo , Thierry Champion , Luigi De Pascale

It is an undisputed textbook fact that non-retarded van der Waals (vdW) interactions between isotropic dimers are attractive, regardless of the polarizability of the interacting systems or spatial dimensionality. The universality of vdW…

Mesoscale and Nanoscale Physics · Physics 2017-05-31 Mainak Sadhukhan , Alexandre Tkatchenko

We present a combined theoretical and experimental study of primary and post-collision mechanisms involved when colliding low energy multiply charged ions with van der Waals dimers. The collision dynamics is investigated using a classical…

Atomic and Molecular Clusters · Physics 2018-07-11 W. Iskandar , X. Fléchard , J. Matsumoto , A. Leredde , S. Guillous , D. Hennecart , J. Rangama , A. Méry , B. Gervais , H. Shiromaru , A. Cassimi

We develop a correlated-electron minimal model for the normal state of charged phenanthrene ions in the solid state, within the reduced space of the two lowest antibonding molecular orbitals of phenanthrene. Our model is general and can be…

Strongly Correlated Electrons · Physics 2014-06-25 Tirthankar Dutta , Sumit Mazumdar

Theoretical studies of photochemical processes require a description of the energy surfaces of excited electronic states, especially near degeneracies, where transitions between states are most likely. Systems relevant to photochemical…

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