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The equation describing the capacitance of capacitors is determined. It is shown that by optimizing the material of the conducting electrodes, the capacitance of capacitors reaching the quantum regime can be substantially enhanced or…

Materials Science · Physics 2015-05-13 Thilo Kopp , Jochen Mannhart

We analytically calculate the correlation potential of a test ion near a \emph{strongly} charged plate inside a dilute $m:-n$ electrolyte. We do this by calculating the electrostatic Green's function in the presence of a nonlinear…

Soft Condensed Matter · Physics 2014-03-19 Bing-Sui Lu , Xiangjun Xing

SR-POEM is a Galilean test of the weak equivalence principle(WEP) that aims to measure the fractional acceleration difference $\eta$ with a mission uncertainty $\sigma(\eta)=1\times 10^{-17}$for a pair of test substances. It is to be…

General Relativity and Quantum Cosmology · Physics 2015-08-31 Bijunath R. Patla

We report a capacitance tracking method for achieving arbitrary polarization rotation from nematic liquid crystals. By locking to the unique capacitance associated with the molecular orientation, any polarization rotation can be achieved…

Instrumentation and Detectors · Physics 2017-10-11 Rakhitha Chandrasekara , Kadir Durak , Alexander Ling

In the past, the gravitational acceleration on the surface of the Earth, $g$, has been measured in many ways. Various methods include the use of a pendulum as well as models involving the use of a mass on a spring. We have designed a new…

Geophysics · Physics 2007-05-23 David O. Kashinski , Paul V. Quinn

We present a novel application of our high-resolution capacitance dilatometer, specifically engineered for the precise characterization of quantum materials. These materials, which often appear as ultrathin, platelet-shaped crystals, are…

Materials Science · Physics 2026-02-18 R. Küchler , S. Panja , S. Wirth , P. Gegenwart

A proof-of-principle experiment demonstrating dielectric laser acceleration of non-relativistic electrons in the vicinity of a fused-silica grating is reported. The grating structure is utilized to generate an electromagnetic surface wave…

Optics · Physics 2015-06-16 John Breuer , Peter Hommelhoff

Soft adhesive pads are needed for many robotics applications, and one approach is based on electroadhesion. Here we present a general analytic model and numerical results for electroadhesion for soft solids with arbitrary time-dependent…

Soft Condensed Matter · Physics 2019-08-06 Bo N. J. Persson , Jianglong Guo

The accurate characterization of the spatial potential generated by a planar electrode in a surface-type Paul trap is of great interest. To achieve this, we employ a simple yet highly precise parametric expression to describe the spatial…

Quantum Physics · Physics 2024-02-27 Qingqing Qin , Ting Chen , Xinfang Zhang , Baoquan Ou , Jie Zhang , Chunwang Wu , Yi Xie , Wei Wu , Pingxing Chen

We develop the plasmon-pole approximation for an interacting electron gas confined in a semiconductor quantum wire. We argue that the plasmon-pole approximation becomes a more accurate approach in quantum wire systems than in higher…

Condensed Matter · Physics 2009-10-28 S. Das Sarma , E. H. Hwang , Lian Zheng

In this work we theoretically study the differential capacitance of an aqueous electrolyte in contact with a planar electrode, using classical Density Functional Theory, and show how this measurable quantity can be used as a probe to better…

Soft Condensed Matter · Physics 2021-09-16 Peter Cats , René van Roij

A Pearson Effective Potential model for including quantization effects in the simulation of nanoscale nMOSFETs has been developed. This model, based on a realistic description of the function representing the non zero-size of the electron…

Materials Science · Physics 2009-11-13 M. -A. Jaud , S. Barraud , P. Dollfus , H. Jaouen

In this work, we analyzed an anomalous effect verified from symmetrical capacitor devices, working in very high electric potentials. The mastery of that effect could mean in the future the possible substitution of propulsion technology…

General Physics · Physics 2016-05-04 Elio B. Porcelli , Victo S. Filho

The non-thermal acceleration of electrons and ions at an oblique, non-relativistic shock is studied using large scale particle-in-cell (PIC) simulations in one spatial dimension. Physical parameters are selected to highlight the role of…

Plasma Physics · Physics 2021-11-01 Naveen Kumar , Brian Reville

A lot of work on clamped circular, square and rectangular shaped capacitive pressure sensor has been carried out. However, to the best of our knowledge, no elaborate work has been performed on mathematical formulation and simulation of…

Applied Physics · Physics 2019-10-02 Rishabh Bhooshan Mishra , S. Santosh Kumar

The intrinsic rate capability and the ageing properties of the Resistive Plate Chambers are closely related to the electrodes material and to the front-end electronics threshold. The development of a low noise pre-amplifier led us to…

A new type of a capacitor with a very high volumetric capacitance is proposed. It is based upon the known phenomenon of a sharp increase of the dielectric constant of the metal-insulator composite in the vicinity of the percolation…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 A. L. Efros

Capacitance measurements are crucial for probing the electrical properties of materials. In this study, we develop and implement a capacitance measurement technique optimized for pulsed magnetic fields. Our approach employs an…

A high-accuracy calibration of inductive coil sensors based on Printed Circuit Board (PCB), commonly used in rotating coil field measurements of particle accelerator magnets, is presented. The amplitude and phase of signals with and without…

Accelerator Physics · Physics 2019-03-04 Joseph DiMarco , Giordana Severino , Pasquale Arpaia

This paper presents a comprehensive analytical and simulation-based study of curved electrode geometries for enhancing the sensitivity of MEMS capacitive accelerometers. Expressions for the capacitance between a planar movable electrode and…

Systems and Control · Electrical Eng. & Systems 2025-08-19 Adhinarayan Naembin Ashok , Adarsh Ganesan