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The development of optical metamaterials has resulted in the demonstration of remarkable physical properties, including cloaking, optical magnetism, and negative refraction. The latter has attracted particular interest, mainly because of…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 Hayk Harutyunyan , Ryan Beams , Lukas Novotny

We study transport properties of clean suspended graphene at the Dirac point. In the absence of the electron-electron interaction, the main contribution to resistivity comes from interaction with flexural (out-of-plane deformation) phonons.…

Mesoscale and Nanoscale Physics · Physics 2015-03-20 I. V. Gornyi , V. Yu. Kachorovskii , A. D. Mirlin

We study the optical conductivity in the low-energy regime of gapped mono- and bilayer graphene. A scaling relation is found, in which the four parameters frequency, gap, Fermi energy and temperature appear only as combination of three…

Materials Science · Physics 2010-01-20 K. Ziegler , A. Sinner

We describe Raman spectroscopy based method of measuring thermal conductivity of thin films, and review significant results achieved with this technique pertinent to graphene and other two-dimensional materials. The optothermal Raman method…

Mesoscale and Nanoscale Physics · Physics 2019-03-18 Hoda Malekpour , Alexander A. Balandin

We theoretically investigate under which conditions nonlocal plasmon response in monolayer graphene can be detected. To this purpose, we study optical scattering off graphene plasmon resonances coupled using a subwavelength dielectric…

Mesoscale and Nanoscale Physics · Physics 2025-02-19 Tobias Wenger , Giovanni Viola , Philippe Tassin , Mikael Fogelström , Jari Kinaret

Using accurate dynamic polarizabilities of Li, Na, K and, Rb atoms, we scrutinize the thermal Casimir-Polder interactions of these atoms with a single layered graphene. Considering the modified Lifshitz theory for material interactions, we…

Atomic Physics · Physics 2015-06-22 Kiranpreet Kaur , Jasmeet Kaur , Bindiya Arora , B. K. Sahoo

Graphene is a two-dimensional (2D) material with over 100-fold anisotropy of heat flow between the in-plane and out-of-plane directions. High in-plane thermal conductivity is due to covalent sp2 bonding between carbon atoms, whereas…

Materials Science · Physics 2013-01-29 Eric Pop , Vikas Varshney , Ajit K. Roy

We report on noise and thermal conductance measurements taken in order to determine an upper bound on the performance of graphene as a terahertz photon detector. The main mechanism for sensitive terahertz detection in graphene is bolometric…

Mesoscale and Nanoscale Physics · Physics 2014-04-07 Christopher B. McKitterick , Heli Vora , Xu Du , Boris S. Karasik , Daniel E. Prober

The realization of the unusual properties of 2-d materials requires the formation of large domains of single layer thickness, extending over the mesoscale. It is found that the formation of ideal graphene on SiC, contrary to textbook…

Mesoscale and Nanoscale Physics · Physics 2019-10-30 S. Chen , M. Horn von Hoegen , P. A. Thiel , M. C. Tringides

Graphene plasmons hold immense potential for terahertz (THz) detector application due to their fascinating interactions between radiation and matter. However, it has remained challenging to excite and manipulate graphene plasmons within…

A generalized Dirac equation is derived in order to describe charge carriers moving in corrugated graphene, which is the case for temperatures above 10{\deg}K due to the presence of flexural phonons. Such interaction is taken into account…

Materials Science · Physics 2015-10-12 Richard Kerner , Gerardo Naumis

We study graphene in an external magnetic field within a noncommutative (NC) framework. A gauge-invariant NC Hamiltonian is derived, and the system is analyzed using the ladder-operator formalism, yielding deformed Landau levels and…

Mathematical Physics · Physics 2026-03-10 Ilyas Haouam

Recently, huge attention has been drawn to improve optical sensing devices based on photonic resonators in the presence of graphene. In this paper, based on the transfer matrix approach and TE polarization for the incident electromagnetic…

Mesoscale and Nanoscale Physics · Physics 2021-05-11 A. Alidoust Ghatar , D. Jahani

Experiments are finally revealing intricate facts about graphene which go beyond the ideal picture of relativistic Dirac fermions in pristine two dimensional (2D) space, two years after its first isolation. While observations of rippling…

Other Condensed Matter · Physics 2009-11-13 Eun-Ah Kim , A. H. Castro Neto

It is shown that an attenuated total reflection structure containing a graphene layer can operate as a tunable polarizer of the electromagnetic radiation. The polarization angle is controlled by adjusting the voltage applied to graphene via…

Mesoscale and Nanoscale Physics · Physics 2012-10-31 Yuliy V. Bludov , Mikhail I. Vasilevskiy , Nuno M. R. Peres

The law of reflection states that smooth surfaces reflect waves specularly, thereby acting as a mirror. This law is insensitive to disorder as long as its length scale is smaller than the wavelength. Monolayer graphene exhibits a linear…

Mesoscale and Nanoscale Physics · Physics 2018-09-26 E. Walter , T. Ö. Rosdahl , A. R. Akhmerov , F. Hassler

Since its discovery in 2004, graphene, a two-dimensional hexagonal carbon allotrope, has generated great interest and spurred research activity from materials science to particle physics and vice versa. In particular, graphene has been…

High Energy Physics - Lattice · Physics 2010-11-03 Joaquín E. Drut , Timo A. Lähde , Eero Tölö

The electronic and transport properties of graphene modulated by magnetic barrier arrays are derived for finite temperature. Prominent conductance gaps, originating from quantum interference effects are found in the periodic array case.…

Mesoscale and Nanoscale Physics · Physics 2015-04-30 Nojoon Myoung , Elefterios Lidorikis

The thermal and mechanical stability of graphene is important for many potential applications in nanotechnology. We calculate the temperature dependence of lattice parameter, elastic properties and heat capacity by means of atomistic Monte…

Materials Science · Physics 2009-11-13 K. V. Zakharchenko , M. I. Katsnelson , A. Fasolino

We report on the first observation of magnetic catalysis at zero temperature in a fully nonperturbative simulation of the graphene effective field theory. Using lattice gauge theory, a nonperturbative analysis of the theory of…

High Energy Physics - Lattice · Physics 2016-12-28 Carleton DeTar , Christopher Winterowd , Savvas Zafeiropoulos