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A wide spectrum of electrokinetic studies is modelled as isothermal ones to expedite analysis even when such conditions may be extremely difficult to realize in practice. As a clear and novel departure from this trend, we address the case…

Fluid Dynamics · Physics 2016-04-27 Tanmay Ghonge , Jeevanjyoti Chakraborty , Ranabir Dey , Suman Chakraborty

It is shown that a graphene layer on top of a dielectric slab can dramatically influence the ability of this dielectric for radiative heat exchange. Effect of graphene is related to thermally excited plasmons. Frequency of these resonances…

Mesoscale and Nanoscale Physics · Physics 2012-09-04 V. B. Svetovoy , P. J. van Zwol , J. Chevrier

Hydration or interfacial water present in biomolecules and inorganic solids have been shown to exhibit a dynamical transition upon supercooling. However, an understanding of the extent of the underlying surface hydrophilicity as well as the…

Soft Condensed Matter · Physics 2020-08-26 Rajasekaran M , K. Ganapathy Ayappa

Most of the performances of electrochemical devices are governed by molecular processes taking place at the solution-electrode interfaces and molecular simulation are the main way to study these processes. Aqueous electrochemical systems…

Chemical Physics · Physics 2019-12-12 Guillaume Jeanmairet , Benjamin Rotenberg , Daniel Borgis , Mathieu Salanne

We develop a general hydrodynamic framework for computing direct current thermal and electric transport in a strongly interacting finite temperature quantum system near a Lorentz-invariant quantum critical point. Our framework is…

Strongly Correlated Electrons · Physics 2016-02-24 Andrew Lucas , Jesse Crossno , Kin Chung Fong , Philip Kim , Subir Sachdev

When an ionic liquid adsorbs onto a porous electrode, its ionic arrangement is deeply modified due to a screening of the Coulombic interactions by the metallic surface and by the confinement imposed upon it by the electrode's morphology. In…

We present experimental evidence of a thermoelectric effect at the interface between two liquid metals. Using superimposed layers of mercury and gallium in a cylindrical vessel operating at room temperature, we provide a direct measurement…

Fluid Dynamics · Physics 2024-09-05 Marlone Vernet , Stephan Fauve , Christophe Gissinger

The cooling of hot electrons in graphene is the critical process underlying the operation of exciting new graphene-based optoelectronic and plasmonic devices, but the nature of this cooling is controversial. We extract the hot electron…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 Matt W. Graham , Su-Fei Shi , Daniel C. Ralph , Jiwoong Park , Paul L. McEuen

Electrical currents in low-dimensional quantum materials can drive electrons far from equilibrium, creating stark imbalance between electron and lattice temperatures. Yet, no existing methods enable simultaneous nanoscale mapping of both…

Heat transfer is studied in the system of electron double layers of correlated composite fermion quantum liquids. In the near-field regime, the primary mechanism governing interlayer energy transfer is mediated by the Coulomb interaction of…

Mesoscale and Nanoscale Physics · Physics 2024-04-16 Dmitry Zverevich , Alex Levchenko

Molecular dynamics simulations are carried out to explore the dynamical crossover phenomenon in strongly confined and mildly supercooled water in graphene oxide nanopores. In contrast to studies where confinement is used to study the…

Soft Condensed Matter · Physics 2020-03-09 Rajasekaran M , K. Ganapathy Ayappa

The modern means of controlled irradiation by femtosecond lasers or swift heavy ion beams can transiently produce such energy densities in samples that reach collective electronic excitation levels of the warm dense matter state where the…

Other Condensed Matter · Physics 2023-02-17 Nikita Medvedev , Roman Voronkov , Alexander E. Volkov

In two-dimensional electron systems, plasmons are gapless and long-lived collective excitations of propagating charge density oscillations. We study the fluctuation mechanism of plasmon-assisted transport in the regime of electron…

Mesoscale and Nanoscale Physics · Physics 2023-12-15 Dmitry Zverevich , Alex Levchenko

Strong electric fields can accelerate molecular dissociation reactions. The phenomenon known as the Wien effect was previously observed using high-voltage electrolysis cells that produced fields of about 10^7 V m-1, sufficient to accelerate…

Porous graphene has high mechanical strength and atomic layer thickness, which make it a promising material for material separation and biomolecule sensing. Electrostatic interactions between charges in aqueous solution are a kind of strong…

Chemical Physics · Physics 2016-08-02 Yinghua Qiu , Kun Li , Weiyu Chen , Wei Si , Qiyan Tan , Yunfei Chen

Water transport through graphene-derived membranes has gained much interest recently due to its promising potential in filtration and separation applications. In this work, we explore water permeation in graphene oxide membranes using…

Mesoscale and Nanoscale Physics · Physics 2014-06-05 Ning Wei , Xinsheng Peng , Zhiping Xu

The coherent oscillations of mobile charge carriers near the surface of good conductors-surface plasmons-are been exploited in many applications in information technologies, clean energy, high-density data storage, photovoltaics, chemistry,…

Mesoscale and Nanoscale Physics · Physics 2023-12-20 Jacob Khurgin , Anton Yu. Bykov , Anatoly V. Zayats

We discuss the non-radiative heat transfer in non-equilibrium double layer graphene system. We show that at the neutrality point the heat exchange is dominated by the inter-layer plasmon modes and derive analytic expressions for the heat…

Mesoscale and Nanoscale Physics · Physics 2020-11-25 Xuzhe Ying , Alex Kamenev

Energy dissipation in water is very fast and more efficient than in many other liquids. This behavior is commonly attributed to the intermolecular interactions associated with hydrogen bonding. Here, we investigate the dynamic energy flow…

Previous studies of electron-phonon interaction in impure graphene have found that static disorder can give rise to an enhancement of electronic cooling. We investigate the effect of dynamic disorder and observe over an order of magnitude…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 Qi Han , Yi Chen , Gerui Liu , Dapeng Yu , Xiaosong Wu