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The effects of the discharge voltage on the formation and nature of electric field transients in a symmetric, collisionless, very high frequency, capacitively coupled plasma are studied using a self-consistent particle-in-cell (PIC)…

Plasma Physics · Physics 2019-07-24 Sarveshwar Sharma , N. Sirse , A. Sen , J. S. Wu , M. M. Turner

Cells and cellular organelles are encapsulated by nanometrically thin membranes whose main component is a lipid bilayer. In the presence of electric fields, the ion-impermeable lipid bilayer acts as a capacitor and supports a potential…

Soft Condensed Matter · Physics 2025-02-18 Shuozhen Zhao , Bhavya Balu , Zongxin Yu , Michael J. Miksis , Petia M. Vlahovska

We study the effect of permeabilizing electric fields applied to two different types of giant unilamellar vesicles, the first formed from EggPC lipids and the second formed from DOPC lipids. Experiments on vesicles of both lipid types show…

Soft Condensed Matter · Physics 2011-02-04 T. Portet , F. Camps i Febrer , J. -M. Escoffre , C. Favard , M. -P. Rols , D. S. Dean

Droplet interface bilayers are a convenient model system to study the physio-chemical properties of phospholipid bilayers, the major component of the cell membrane. The mechanical response of these bilayers to various external mechanical…

Biological Physics · Physics 2021-02-08 Yaoqi Huang , Vineeth Chandran Suja , Javier Tajuelo , Gerald G. Fuller

Membrane organization is essential for cellular functions such as signal transduction and membrane trafficking. A major challenge is to understand the lateral heterogeneous structures in membranes and membrane fluidity in the presence of…

Soft Condensed Matter · Physics 2007-11-09 Chun-Lai Ren , Yu-qiang Ma

We investigate theoretically the interplay between the effects of a perpendicular electric field and incommensurability at the interface on the electronic properties of a heterostructure of bilayer graphene and a semiconducting substrate…

Mesoscale and Nanoscale Physics · Physics 2016-11-02 D. J. Leech , M. Mucha-Kruczyński

We show that interlayer charge transfer in 2D materials can be driven by an in-plane electric field, giving rise to electrical multipole generation in linear and second order of in-plane field. The linear and nonlinear effects have quantum…

Mesoscale and Nanoscale Physics · Physics 2024-09-05 Huiyuan Zheng , Dawei Zhai , Cong Xiao , Wang Yao

Current fluctuations in pure lipid membranes have been shown to occur under the influence of transmembrane electric fields (electroporation) as well as a result from structural rearrangements of the lipid bilayer during phase transition…

Biological Physics · Physics 2015-05-13 B. Wunderlich , C . Leirer , A-L. Idzko , U. F. Keyser , A. Wixforth , V. M. Myles , T. Heimburg , M. F. Schneider

The effects of reflecting boundaries on vacuum electric field fluctuations are treated. The presence of the boundaries can enhance these fluctuations and possibly lead to observable effects. The electric field fluctuations lead to voltage…

Quantum Physics · Physics 2022-05-03 L. H. Ford

Biological membranes constitute boundaries of cells and cell organelles. Physico-chemical mechanisms at the atomic scale are dictated by protein-lipid interaction strength, lipid composition, lipid distribution in the vicinity of the…

Biological Physics · Physics 2015-10-19 N. Ramakrishnan , P. B. Sunil Kumar , Ravi Radhakrishnan

Membrane pores are implicated in several critical functions, including cell fusion and the transport of signaling molecules for intercellular communication. However, these structural features are often difficult to probe directly. Droplet…

Soft Condensed Matter · Physics 2025-11-13 Nivedina A. Sarma , David A. King , Xuefei Wu , Brett A. Helms , Paul D. Ashby , Thomas P. Russell , Ahmad K. Omar

Twisted bilayer two-dimensional electronic systems give rise to many exotic phenomena and unveil a new frontier for the study of quantum materials. In photonics, twisted two-dimensional systems coupled via near-field interactions offer a…

Mesoscale and Nanoscale Physics · Physics 2022-05-17 Rongqian Wang , Jincheng Lu , Xiaohu Wu , Jiebin Peng , Jian-Hua Jiang

Band structure determines the motion of electrons in a solid, giving rise to exotic phenomena when properly engineered. Drawing an analogy between electrons and photons, artificially designed optical lattices indicate the possibility of a…

Mesoscale and Nanoscale Physics · Physics 2019-11-01 Siqi Wang , Xianqing Lin , Mervin Zhao , Changjian Zhang , Sui Yang , Yuan Wang , Kenji Watanabe , Takashi Taniguchi , James Hone , David Tomanek , Xiang Zhang

A common mechanism for intracellular transport is the use of controlled deformations of the membrane to create spherical or tubular buds. While the basic physical properties of homogeneous membranes are relatively well-known, the effects of…

Biological Physics · Physics 2009-11-10 Jean-Marc Allain , Cornelis Storm , Aurelien Roux , Martine Ben Amar , Jean-Francois Joanny

We use self-consistent field theory to determine structural and energetic properties of intermediates and transition states involved in bilayer membrane fusion. In particular, we extend our original calculations from those of the standard…

Soft Condensed Matter · Physics 2009-11-11 Kirill Katsov , Marcus Mueller , Michael Schick

A minimalist simulation model for lipid bilayers is presented. Each lipid is represented by a flexible chain of beads in implicit solvent. The hydrophobic effect is mimicked through an intermolecular pair potential localized at the…

Statistical Mechanics · Physics 2009-11-11 Grace Brannigan , Peter F. Philips , Frank L. H. Brown

We study lipid translocation ("flip-flop") between the leaflets of a planar lipid bilayer with transition path sampling (TPS). Rare flip-flops compete with biological machineries that actively establish asymmetric lipid compositions.…

Soft Condensed Matter · Physics 2025-02-18 Matthias Post , Gerhard Hummer

We consider the hydrodynamics of lipid bilayers containing transmembrane proteins of arbitrary shape. This biologically-motivated problem is relevant to the cell membrane, whose fluctuating dynamics play a key role in phenomena ranging from…

Soft Condensed Matter · Physics 2016-10-10 Andrew Callan-Jones , Marc Durand , Jean-Baptiste Fournier

Using a combination of heat pulse and nuclear magnetic resonance techniques we demonstrate that the phase boundary separating the interlayer phase coherent quantum Hall effect at $\nu_T = 1$ in bilayer electron gases from the weakly coupled…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 I. B. Spielman , L. A. Tracy , J. P. Eisenstein , L. N. Pfeiffer , K. W. West

Biological membranes undergo noticeable thermal fluctuations at physiological temperatures. When two membranes approach each other, they hinder the out of plane fluctuations of the other. This hindrance leads to an entropic repulsive force…

Soft Condensed Matter · Physics 2021-04-27 Kosar Mozaffari , Fatemeh Ahmadpoor , Pradeep Sharma