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Conventional multiple hypothesis tests use step-up, step-down, or closed testing methods to control the overall error rates. We will discuss marrying these methods with adaptive multistage sampling rules and stopping rules to perform…

Methodology · Statistics 2011-07-12 Jay Bartroff , Tze Leung Lai

Experiments with pedestrians could depend strongly on initial conditions. Comparisons of the results of such experiments require to distinguish carefully between transient state and steady state. In this work, a feasible algorithm -…

The unique working mechanics of roller-type peristaltic pumps have allowed their applications to span a wide variety of sectors and industries. The roller-type pump's accurate dosing and hydrostatic capabilities can theoretically allow for…

Systems and Control · Electrical Eng. & Systems 2020-11-30 Michael P. McIntyre , George van Schoor , Kenneth R. Uren , Cornelius P. Kloppers

In a mesoscopic system, under zero bias voltage, a finite charge is transferred by quantum adiabatic pumping by adiabatically and periodically changing two or more control parameters. We obtained expressions for the pumped charge for a ring…

Mesoscale and Nanoscale Physics · Physics 2016-09-22 Masahiko Taguchi , Satoshi Nakajima , Toshihiro Kubo , Yasuhiro Tokura

The quantized current generated by a quantum dot pump is calculated numerically. The numerical simulation is done by dividing the time varying potential into many static potentials with a short time interval and calculating the electron…

Mesoscale and Nanoscale Physics · Physics 2018-01-16 Ye-Hwan Ahn , Yunchul Chung

In this work, using a unified framework consisting of third-order accurate discontinuous Galerkin schemes, we perform a comparison between five different numerical approaches to the free-surface shallow flow simulation on bottom steps.…

Computational Physics · Physics 2019-12-17 Valerio Caleffi , Alessandro Valiani , Gang Li

The use of ultrafast pump-probe conductivity (PPC) for studies of photoelectron dynamics in nonpolar molecular liquids has been based upon the perturbation of geminate recombination dynamics of trapped electrons by their laser…

Chemical Physics · Physics 2007-05-23 Ilya A. Shkrob , Leonid Ryzhik

Dynamical decoupling is a technique that protects qubits against noise. The ability to preserve quantum coherence in the presence of noise is essential for the development of quantum devices. Here the Rigetti quantum computing platform was…

Quantum Physics · Physics 2022-02-08 Alexandre M. Souza

In this work, we propose a novel phase-field model for the simulation of two-phase flows that is accurate, conservative, bounded, and robust. The proposed model conserves the mass of each of the phases, and results in bounded transport of…

Computational Physics · Physics 2022-08-23 Suhas S. Jain

A quantum trajectory describes the evolution of a quantum system undergoing indirect measurement. In the discrete-time setting, the state of the system is updated by applying Kraus operators according to the measurement results. From an…

Quantum Physics · Physics 2022-04-04 Maël Bompais , Nina H. Amini , Clément Pellegrini

The evolution of a walker in standard "Discrete-time Quantum Walk (DTQW)" is determined by coin and shift unitary operators. The conditional shift operator shifts the position of the walker to right or left by unit step size while the…

Quantum Physics · Physics 2020-03-03 Rashid Ahmad , Safia Bibi , Uzma Sajjad

Mode-mode coupling theory is presented for the resonant pumping via dynamical tunneling processes in a deformed microcavity. From the steady-state solution of the coupled differential equations of chaotic modes and a high-Q regular mode,…

Quantum Physics · Physics 2010-05-27 Kyungwon An , Juhee Yang

We analyze the dynamics of a continuously observed, damped, microwave driven solid state charge qubit. The qubit consists of a single electron in a double well potential, coupled to an oscillating electric field, and which is continuously…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 S. D. Barrett , T. M. Stace

Electron pumps generate a macroscopic electric current by controlled manipulation of single electrons. Despite intensive research towards a quantum current standard over the last 25 years, making a fast and accurate quantised electron pump…

Mesoscale and Nanoscale Physics · Physics 2012-07-11 S. P. Giblin , M. Kataoka , J. D. Fletcher , P. See , T. J. B. M. Janssen , J. P. Griffiths , G. A. C. Jones , I. Farrer , D. A. Ritchie

Semiconductor-based quantum dot single-electron pumps are currently the most promising candidates for the direct realization of the emerging quantum standard of the ampere in the International System of Units. Here, we discuss a silicon…

Mesoscale and Nanoscale Physics · Physics 2016-04-27 Tuomo Tanttu , Alessandro Rossi , Kuan Yen Tan , Akseli Mäkinen , Kok Wai Chan , Andrew S. Dzurak , Mikko Möttönen

This work investigates the topical problem of balancing the shallow water equations over the bottom steps of different heights. The current approaches in the literature are essentially based on mathematical analysis of the hyperbolic system…

Fluid Dynamics · Physics 2019-12-12 Alessandro Valiani , Valerio Caleffi

Coherent coupling between a large number of qubits is the goal for scalable approaches to solid state quantum information processing. Prototype systems can be characterized by spectroscopic techniques. Here, we use pulsed-continuous wave…

Mesoscale and Nanoscale Physics · Physics 2011-04-01 M. Ziaur Rahman Khan , D. G. Hasko , M. S. M. Saifullah , M. E. Welland

Dynamic circuit operations -- measurements with feedforward -- are important components for future quantum computing efforts, but lag behind gates in the availability of characterization methods. Here we introduce a series of dynamic…

Quantum Physics · Physics 2025-12-03 Liran Shirizly , Luke C. G. Govia , David C. McKay

Single-electron pumps based on tunable-barrier quantum dots are the most promising candidates for a direct realization of the unit ampere in the recently revised SI: they are simple to operate and show high precision at high operation…

Mesoscale and Nanoscale Physics · Physics 2022-05-24 Frank Hohls , Vyacheslavs Kashcheyevs , Friederike Stein , Tobias Wenz , Bernd Kaestner , Hans W. Schumacher

We propose a method to dynamically generate and control the flow of spin-entangled electrons, each belonging to a spin-singlet, by means of adiabatic quantum pumping. The pumping cycle functions by periodic time variation of localized…

Quantum Physics · Physics 2016-09-08 Kunal K. Das , Sungjun Kim , Ari Mizel