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Related papers: Heat Transport with a Twist

200 papers

Heat conduction in a random packing of hard spheres is studied by nonequilibrium molecular dynamics simulation. We find a hard-sphere random packing shows higher thermal conductivity than a crystalline packing with same packing fraction.…

Statistical Mechanics · Physics 2010-12-15 Shigenori Matsumoto , Tomoaki Nogawa , Takashi Shimada , Nobuyasu Ito

A double-stranded system, modeled by a Frenkel-Kontorova lattice, is studied through nonequilibrium molecular dynamics simulations. We have investigated the thermal conductance influenced by the intra-chain interaction as well as by the…

Materials Science · Physics 2015-06-03 Wei-Rong Zhong

The phonon thermal transport properties of eight ternary intermetallic semiconductors are investigated by accounting for higher-order four-phonon scattering, phonon renormalization, and multi-channel thermal transport. The commonly used…

Materials Science · Physics 2022-08-17 Ankit Jain

Motivated by recent experimental observations, we consider a steady-state Prandtl-Blasius boundary layer flow with polymers above a slightly heated horizontal plate and study how the heat transport might be affected by the polymers. We…

Chaotic Dynamics · Physics 2015-05-27 Roberto Benzi , Emily S. C. Ching. , Vivien W. S. Chu

The upper limit of the thermal conductivity and the mechanical strength are predicted for the polyethylene chain, by performing the {\it ab initio} calculation and applying the quantum mechanical non-equilibrium Green's function approach.…

Materials Science · Physics 2013-03-25 Jin-Wu Jiang , Junhua Zhao , Kun Zhou , Timon Rabczuk

To stabilize the working temperature of an equipment, a solid-state thermal resistor is usually a requisite, which could adjust its heat conductance continuously according to the temperature. In this work, the thermal conductivity and the…

Mesoscale and Nanoscale Physics · Physics 2025-01-14 Congliang Huang , Changkang Du , Qiangqiang Huang , Xiaodong Wang

Using non-equilibrium molecular dynamics (NEMD) simulation, we study thermal properties of the so-called nanoporous graphene (NPG) sheet which contains a series of nanoporous in an ordered way and was synthesized recently (Science 360…

Computational Physics · Physics 2021-07-29 Farrokh Yousefi , Farhad Khoeini , Ali Rajabpour

Understanding interfacial heat transfer between polymers and water is crucial for the design of biomaterials, drug delivery platforms, and nanofluidic systems. In this study, we employed all atom molecular dynamics (MD) simulations to…

Soft Condensed Matter · Physics 2025-12-04 Shadi Babaei , Yekta Cheraghali , Claire Loison , Ali Rajabpour , Samy Merabia

The propagation of chirality across scales is a common but poorly understood phenomenon in soft matter. In this work, we use computer simulations to study chiral monolayer assemblies formed by hard rod-like colloidal particles in the…

Soft Condensed Matter · Physics 2022-12-01 Yawei Liu , Jared A. Wood , Achille Giacometti , Asaph Widmer-Cooper

Effects of ballistic transport on the temperature profiles and thermal resistance in nanowires are studied. Computer simulations of nanowires between a heat source and a heat sink have shown that in the middle of such wires the temperature…

Mesoscale and Nanoscale Physics · Physics 2024-07-01 R. Meyer , Graham W. Gibson , Alexander N. Robillard

The extremely high thermal conductivity of graphene has received great attention both in experiments and calculations. Obviously, new feature in thermal properties is of primary importance for application of graphene-based materials in…

Materials Science · Physics 2018-08-10 Haifei Zhan , Gang Zhang , Chunhui Yang , Yuantong Gu

The Synchronized Molecular-Dynamics simulation which was recently proposed by authors [Phys. Rev. X {\bf 4}, 041011 (2014)] is applied to the analysis of polymer lubrication between parallel plates. The rheological properties,…

Fluid Dynamics · Physics 2016-12-23 Shugo Yasuda , Ryoichi Yamamoto

Research on the physical properties of materials at the nanoscale is crucial for the development of breakthrough nanotechnologies. One of the key properties to consider is the ability to conduct heat, i.e., its thermal conductivity.…

Mesoscale and Nanoscale Physics · Physics 2024-08-13 Alexandre F. Fonseca , Luiz Felipe C. Pereira

The poor thermal conductivity of bulk polymers may be enhanced by combining them with high thermal conductivity materials such as carbon nanotubes. Different from random doping, we find that the aligned carbon nanotube-polyethylene…

Materials Science · Physics 2015-04-01 Quanwen Liao , Zhichun Liu , Wei Liu , Chengcheng Deng , Nuo Yang

We develop an accurate interlayer pairwise potential derived from the \textit{ab-initio} calculations and investigate the thermal transport of silicene bilayers within the framework of equilibrium molecular dynamics simulations. The…

Materials Science · Physics 2023-11-16 Sapta Sindhu Paul Chowdhury , Appalakondaiah Samudrala , Santosh Mogurampelly

PMMA and Poly carbonate (PC) are wonderful low cost materials which can be easily tailored and shaped. However they have poor mechanical, thermal and electrical properties which are required to be enhanced in several applications where…

Mesoscale and Nanoscale Physics · Physics 2015-04-29 Rajiv Bhandari , Neha Dhiman , Chetna Bajaj , Prashant Jindal , Keya Dharamvir , V. K. Jindal

We explore the transport features of a single flexible polymer chain that walks on a periodic ratchet potential coupled with spatially varying temperature. At steady state the polymer exhibits a fast unidirectional motion where the…

Soft Condensed Matter · Physics 2015-07-20 Mesfin Asfaw Taye

We have studied the impact of the nonextensivity on the transport coefficients related to charge and heat in thermal QCD. For this purpose, the electrical ($\sigma_{\rm el}$), Hall ($\sigma_{\rm H}$), thermal ($\kappa$) and Hall-type…

High Energy Physics - Phenomenology · Physics 2023-09-26 Shubhalaxmi Rath , Sadhana Dash

Having the chiral anomaly induced magneto-transport phenomena extensively studied in single Weyl semimetal (WSM) as characterized by topological charge $n=1$, we here address the transport properties in the context of multi-Weyl semimetals…

Mesoscale and Nanoscale Physics · Physics 2020-12-01 Tanay Nag , Snehasish Nandy

Twisted bilayer graphene (tBLG) is two graphene layers placed on top of each other with a twist angle, making it has tunable thermal properties. In this paper, we report an analysis of thermal conductivity ($\kappa$), phonon density of…

Mesoscale and Nanoscale Physics · Physics 2022-12-21 David , Ferry Faizal , I Made Joni