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Investigating thermal transport in van der Waals heterostructure is of scientific interest and practical importance for their applications in a broad range. In this work, thermal conductivity of one-dimensional heterostructure consisting of…

Mesoscale and Nanoscale Physics · Physics 2021-01-01 Han Meng , Shigeo Maruyama , Rong Xiang , Nuo Yang

Contemporary experiments in cavity quantum electrodynamics (cavity QED) with gas-phase neutral atoms rely increasingly on laser cooling and optical, magneto-optical or magnetostatic trapping methods to provide atomic localization with…

Quantum Physics · Physics 2015-05-13 Joseph Kerckhoff , Hideo Mabuchi

We evaluate the van der Waals (vdW) interaction energy at zero temperature between two undoped strained graphene layers separated by a finite distance. We consider the following three models for the anisotropic case: (a) where one of the…

Materials Science · Physics 2014-06-25 Anand Sharma , Peter Harnish , Alexander Sylvester , Valeri N. Kotov , A. H. Castro Neto

Van der Waals interactions between two neutral but polarizable systems at a separation $R$ much larger than the typical size of the systems are at the core of a broad sweep of contemporary problems in settings ranging from atomic, molecular…

High Energy Physics - Phenomenology · Physics 2017-06-14 Nora Brambilla , Vladyslav Shtabovenko , Jaume Tarrús Castellà , Antonio Vairo

Optical dispersion spectra at energies up to 30 eV play a vital role in understanding the chirality-dependent van der Waals London dispersion interactions of single wall carbon nanotubes (SWCNTs). We use one-electron theory based…

Mesoscale and Nanoscale Physics · Physics 2012-11-02 Rick F. Rajter , Roger H. French , W. Y. Ching , Rudolf Podgornik , V. Adrian Parsegian

We present an efficient implementation of the van der Waals density functional of Dion et al [Phys. Rev. Lett. 92, 246401 (2004)], which expresses the nonlocal correlation energy as a double spacial integral. We factorize the integration…

Materials Science · Physics 2013-05-29 Guillermo Roman-Perez , Jose M. Soler

Recent atomic force microscopy (AFM) experiments~[ACS Nano {\bf 2014}, 8, 12410-12417] conducted on graphene-coated SiO$_2$ demonstrated that monolayer graphene (G) can effectively screen dispersion van der Waals (vdW) interactions deriving…

Materials Science · Physics 2018-06-13 Alberto Ambrosetti , Pier Luigi Silvestrelli

We consider the effects of Coulomb interactions on single-wall carbon nanotubes using an on-site Hubbard interaction, u. For the (N,N) armchair tubes the low energy theory is shown to be identical to a 2-chain Hubbard model at half-filling,…

Strongly Correlated Electrons · Physics 2009-10-28 Leon Balents , Matthew P. A. Fisher

We study a set of crossed 1D systems, which are coupled with each other via tunnelling at the crossings. We begin with the simplest case with no electron-electron interactions and find that besides the expected level splitting, bound states…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 D. Makogon , N. de Jeu , C. Morais Smith

We study the shift of rotational levels of a diatomic polar molecule due to its van der Waals (vdW) interaction with a gently curved dielectric surface at temperature $T$, and submicron separations. The molecule is assumed to be in its…

Quantum Physics · Physics 2016-08-18 Giuseppe Bimonte , Thorsten Emig , Robert L. Jaffe , Mehran Kardar

We derive the effective low-energy theory for interacting electrons in metallic single-wall carbon nanotubes taking into account acoustic phonon exchange within a continuum elastic description. In many cases, the nanotube can be described…

Strongly Correlated Electrons · Physics 2009-11-07 A. De Martino , R. Egger

Mutual Coulomb interactions between electrons lead to a plethora of interesting physical and chemical effects, especially if those interactions involve many fluctuating electrons over large spatial scales. Here, we identify and study in…

Carbon nanotube field-effect transistors with structures and properties near the scaling limit with short (down to 50 nm) channels, self aligned geometries, palladium electrodes with low contact resistance and high-k dielectric gate…

Other Condensed Matter · Physics 2015-06-24 Ali Javey , Jing Guo , Damon B. Farmer , Qian Wang , Erhan Yenilmez , Roy G. Gordon , Mark Lundstrom , Hongjie Dai

Using the general expressions for level shifts obtained from the master equation for a small system interacting with a large one considered as a reservoir, we calculate the dispersive potentials between an atom and a wall in the dipole…

Quantum Physics · Physics 2009-11-13 T. N. C. Mendes , C. Farina

Van der Waals (vdW) materials offer new ways to assemble artificial electronic media with properties controlled at the design stage, by combining atomically defined layers into interfaces and heterostructures. Their potential for…

One-dimensional (1D) van der Waals (vdW) heterostructures, formed between coaxial nanotubes of transition metal dichalcogenides (TMDCs), have emerged as a new area of endeavor in nanoscience. A key to designing and engineering the…

Materials Science · Physics 2023-08-15 Shu Zhao , Chunxia Yang , Ziye Zhu , Xiaoping Yao , Wenbin Li

This paper is the first one of a series of two articles in which we revisit the optical properties of single-walled carbon nanotubes (SWNT). Produced by rolling up a graphene sheet, SWNT owe their intriguing properties to their cylindrical…

Mathematical Physics · Physics 2018-11-30 Morten Rasmussen , Benjamin Ricaud , Baptiste Savoie

Single walled carbon nanotube's cross section can be flattened under hydrostatic pressure. One example is the cross section of a single walled carbon nanotube successively deforms from the original round shape to oval shape, then to…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 Weihua Mu , Jianshu Cao , Zhong-can Ou-Yang

The van der Waals potential of two atoms in the presence of an arbitrary arrangement of dispersing and absorbing magnetodielectric bodies is studied. Starting from a polarizable atom placed within a given geometry, its interaction with a…

Quantum Physics · Physics 2007-09-11 Stefan Yoshi Buhmann , Hassan Safari , Ho Trung Dung , Dirk-Gunnar Welsch

Carbon nanotubes are nano-objects with quite anisotropic properties, for example the mechanical properties in longitudinal and radial directions differ significantly. This feature of the carbon nanotubes yields many interesting phenomena…

Mesoscale and Nanoscale Physics · Physics 2023-10-26 Alexander V. Savin , Margarita Kovaleva