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This article aims to investigate the impact of noise on parameter fitting for an Ornstein-Uhlenbeck process, focusing on the effects of multiplicative and thermal noise on the accuracy of signal separation. To address these issues, we…

Machine Learning · Statistics 2024-07-11 Simon Carter , Lilianne Mujica-Parodi , Helmut H. Strey

The intermittency of solar and wind power can be addressed by integrating them with Solid Oxide Cells (SOCs). This study delves into the transient characteristics of SOCs and their dependence on dynamic heat and mass transfer processes.…

Fluid Dynamics · Physics 2024-05-31 Zhaojian Liang , Jingyi Wang , Liang An , Yang Wang , Meng Ni , Mengying Li

A common approach to deal with gate errors in modern quantum-computing hardware is zero-noise extrapolation. By artificially amplifying errors and extrapolating the expectation values obtained with different error strengths towards the…

Quantum Physics · Physics 2024-10-29 Kathrin F. Koenig , Finn Reinecke , Walter Hahn , Thomas Wellens

Switch-mode power converters are used in various applications to convert between different voltage (or current) levels. They use transistors to switch on and off the input voltage to generate a pulsed voltage whose arithmetic average is the…

Computational Engineering, Finance, and Science · Computer Science 2019-11-11 Andreas Pels , Ruth V. Sabariego , Sebastian Schöps

The key challenge in multispectral radiation thermometry is accurately measuring emissivity. Traditional constrained optimization methods often fail to meet practical requirements in terms of precision, efficiency, and noise resistance.…

We introduce two types of thermodynamic refrigeration cycles obtained through modification of the Otto cycle refrigerator by a generalized measurement channel. These refrigerators are corresponding to the activation of the measurement-based…

Quantum Physics · Physics 2024-05-16 Naghi Behzadi

Optical Vector Analysers (OVA) are critical for emerging technologies such as integrated photonics and optical positioning. Achieving a sensitivity near the Standard Quantum Limit (SQL) while acquiring a wide spectrum allows an accurate…

We introduce a general technique to compute finite temperature electronic properties by a novel covariant formulation of the electronic partition function. By using a rigorous variational upper bound to the free energy we are led to the…

Strongly Correlated Electrons · Physics 2013-06-19 Guglielmo Mazzola , Andrea Zen , Sandro Sorella

We describe optical characterisation of a Strained Silicon Cold Electron Bolometer (CEB), operating on a $350~\mathrm{mK}$ stage, designed for absorption of millimetre-wave radiation. The silicon Cold Electron Bolometer utilises Schottky…

Transient beam loading effect is one of the key issues in any superconducting accelerators, which needs to be carefully investigated. The core problem in the analysis is to obtain the time evolution of cavity voltage under the transient…

Accelerator Physics · Physics 2017-08-29 Ran Huang , Yuan He , Zhi-Jun Wang , Wei-Ming Yue , An-Dong Wu , Yue Tao , Cong Zhang , Hong-Wei Zhao , Zhi-Hui Li

Classical ways of cooling require some of these elements: phase transition, compressor, non-linearity, valve, and/or switch. A recent example is the 2018 patent of Linear Technology Corporation; they utilize the shot noise of a diode to…

General Physics · Physics 2018-09-19 Jiaao Song , Laszlo B. Kish

This method solves the dual problem of blind deconvolution and estimation of the time waveform of noisy second-order cyclo-stationary (CS2) signals that traverse a Transfer Function (TF) en route to a sensor. We have proven that the…

Machine Learning · Computer Science 2024-03-07 Igor Makienko , Michael Grebshtein , Eli Gildish

We study the optimized perturbation theory (OPT) at finite temperature, which is a self-consistent resummation method. Firstly, we generalize the idea of the OPT to optimize the coupling constant in lambda phi^4 theory, and give a proof of…

High Energy Physics - Phenomenology · Physics 2014-11-17 S. Chiku

This paper describes the setup and the results of the direct on-wafer measurements of a FET noise parameters obtained with a source-pull method at temperatures down to T=4K and in the 5-12 GHz frequency range. The setup consists of a…

Instrumentation and Detectors · Physics 2026-05-19 Daniil Frolov , Jean-Olivier Plouchart , Utku Soylu

In modern high precision optical instruments, such as in gravitational wave detectors or frequency references, thermally induced fluctuations in the reflective coatings can be a limiting noise source. This noise, known as coating thermal…

Instrumentation and Detectors · Physics 2017-01-18 S. Gras , H. Yu , W. Yam , D. Martynov , M. Evans

We examine the increase in voltage noise in capacitive sensor circuits due to the stray-capacitance introduced by connecting cables. We have measured and modelled the voltage noise of various standard circuits, and we compare their…

Instrumentation and Detectors · Physics 2019-12-17 Conner Gettings , Clive C. Speake

In the theory of electron-phonon superconductivity both the magnitude of the electron-phonon coupling $\lambda$ as well as the Coulomb pseudopotential $\mu^*$ are important to determine the transition temperature $T_c$ and other properties.…

Superconductivity · Physics 2013-04-24 Johannes Bauer , Jong E. Han , Olle Gunnarsson

Bolometers are most often biased by alternating current (AC) in order to get rid of low-frequency noises that plague direct current (DC) amplification systems. When stray capacitance is present, the respon- sivity of the bolometer differs…

Instrumentation and Methods for Astrophysics · Physics 2014-03-25 Andrea Catalano , Alain Coulais , Jean-Michel Lamarre

Scrambling of quantum information can be conveniently quantified by so called out-of-time-order-correlators (OTOCs), whose measurements presents a formidable experimental challenge. Here we report on a method for the measurement of OTOCs…

Quantum Physics · Physics 2017-06-28 Michele Campisi , John Goold

A unified phenomenological description framework is proposed for the evaluation of some of the most important observables of the cuprate superconductors: the pseudogap (PG) $\Delta_{\rm PG}$, the local superconducting amplitudes…

Superconductivity · Physics 2020-07-16 E. V. L. de Mello