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Related papers: Dissipative Boundary State Preparation

200 papers

The boundary cancellation theorem for open systems extends the standard quantum adiabatic theorem: assuming the gap of the Liouvillian does not vanish, the distance between a state prepared by a boundary cancelling adiabatic protocol and…

Quantum Physics · Physics 2024-01-17 Humberto Munoz-Bauza , Lorenzo Campos Venuti , Daniel Lidar

A space discrete approximation to a highly nonlinear reaction-diffusion system endowed with a stochastic dynamical boundary condition is analyzed and the convergence of the discrete scheme to the solution to the corresponding continuum…

Probability · Mathematics 2025-07-15 Francesca Arceci , Francesco Carlo De Vecchi , Daniela Morale , Stefania Ugolini

The bulk-boundary correspondence plays a crucial role in topological quantum systems, however,this principle is broken in non-Hermitian systems. The breakdown of the bulk-boundary correspondence indicates that the global phase diagrams…

Quantum Physics · Physics 2025-05-23 Xue-Ping Ren , Yue Hu , Long-Ye Lu , Xin-Ran Ma , Ji-Yao Fan , Cui-Xian Guo , Su-Peng Kou

Two novel schemes are proposed for the dissipative preparation of large W states, of the order of ten qubits, within the context of Cavity QED. By utilizing properties of the irreducible representations of su(3), we are able to construct…

Quantum Physics · Physics 2014-02-05 R. Sweke , I. Sinayskiy , F. Petruccione

Recently the complete characterization of a general Gaussian dissipative system having a unique pure steady state was obtained in [Koga and Yamamoto 2012, Phys. Rev. A 85, 022103]. This result provides a clear guideline for engineering an…

Quantum Physics · Physics 2014-03-10 Naoki Yamamoto

We present a novel technique for the imposition of non-linear entropy conservative and entropy stable solid wall boundary conditions for the compressible Navier-Stokes equations in the presence of an adiabatic wall, or a wall with a…

We investigate the possibility to control localization properties of the asymptotic state of an open quantum system with a tunable synthetic dissipation. The control mechanism relies on the matching between properties of dissipative…

Disordered Systems and Neural Networks · Physics 2017-11-17 O. S. Vershinina , I. I. Yusipov , S. Denisov , M. V. Ivanchenko , T. V. Laptyeva

In this paper we provide a local well posedness result for a quasilinear beam-wave system of equations on a one-dimensional spatial domain under periodic and Dirichlet boundary conditions. This kind of systems provides a refined model for…

Analysis of PDEs · Mathematics 2023-06-21 Roberto Feola , Filippo Giuliani , Felice Iandoli , Jessica Elisa Massetti

We introduce the boundary reproduction number, adapted from the next generation matrix method, to assess whether an infusion of species will persist or become exhausted in a chemical reaction system. Our main contributions are as follows:…

Molecular Networks · Quantitative Biology 2025-06-03 Matthew D. Johnston , Florin Avram

In this paper we demonstrate that the inevitable action of the environment can be substantially weakened when considering appropriate nonstationary quantum systems. Beyond protecting quantum states against decoherence, an oscillating…

Quantum Physics · Physics 2016-08-16 L. C. Céleri , M. A. de Ponte , C. J. Villas-Boas , M. H. Y. Moussa

Considering a network of dissipative quantum harmonic oscillators we deduce and analyze the optimum topologies which are able to store, for the largest period of time, a quantum superposition previously prepared in one of the network…

Quantum Physics · Physics 2009-11-13 M. A. de Ponte , S. S. Mizrahi , M. H. Y. Moussa

Quantum algorithms for probing ground-state properties of quantum systems require good initial states. Projection-based methods such as eigenvalue filtering rely on inputs that have a significant overlap with the low-energy subspace, which…

Quantum Physics · Physics 2024-04-10 Danial Motlagh , Modjtaba Shokrian Zini , Juan Miguel Arrazola , Nathan Wiebe

We derive an effective equation of motion within the steady-state subspace of a large family of Markovian open systems (i.e., Lindbladians) due to perturbations of their Hamiltonians and system-bath couplings. Under mild and realistic…

Quantum Physics · Physics 2018-09-21 Victor V. Albert , Kyungjoo Noh , Florentin Reiter

This article presents a dissipative method of creating a spin steady state, or a state whose spin expectation values approaches a fixed value over time, using a trapped gas of ultracold atoms coupled to a background BEC. The ultracold atoms…

Quantum Gases · Physics 2024-01-30 Roland Cristopher F. Caballar

The local approach to construct master equation for a composite open system with a weak internal coupling is simple and seems reasonable. However, it is thermodynamic consistent only when the subsystems are resonantly coupled. Efforts are…

Quantum Physics · Physics 2018-06-29 Jian-Ying Du , Fu-Lin Zhang

We investigate quantum transport and thermoelectrical properties of a finite-size Su-Schrieffer-Heeger model, a paradigmatic model for a one-dimensional topological insulator, which displays topologically protected edge states. By coupling…

Statistical Mechanics · Physics 2018-07-25 Sina Böhling , Georg Engelhardt , Gloria Platero , Gernot Schaller

We show that a quantum system with nonlocal interaction can have bound states of unusual type (isolated states (IS)). IS is a bound state that do not generate a $S$-matrix pole. IS can have positive as well as negative energy and can be…

Nuclear Theory · Physics 2009-09-25 A. M. Shirokov , Yu. F. Smirnov , S. A. Zaytsev

We show existence of a non-equilibrium steady state for the one-dimensional, non-linear BGK model on an interval with diffusive boundary conditions. These boundary conditions represent the coupling of the system with two heat reservoirs at…

Analysis of PDEs · Mathematics 2021-06-02 Josephine Evans , Angeliki Menegaki

We propose a formalism to study dynamical properties of a quantum many-body system in the thermodynamic limit by studying a finite system with infinite boundary conditions (IBC) where both finite size effects and boundary effects have been…

Quantum Physics · Physics 2013-05-30 Ho N. Phien , Guifre Vidal , Ian P. McCulloch

We present a quantum algorithm to simulate general finite dimensional Lindblad master equations without the requirement of engineering the system-environment interactions. The proposed method is able to simulate both Markovian and…

Quantum Physics · Physics 2015-06-09 R. Di Candia , J. S. Pedernales , A. del Campo , E. Solano , J. Casanova