Results 31 to 40 of about 67,595 (279)
Advanced Engineering Materials, EarlyView.Laser surface texturing significantly improves the corrosion resistance and mechanical strength of 3D‐printed iron polylactic acid (Ir‐PLA) for marine applications. Optimal laser parameters reduce corrosion by 80% and enhance tensile strength by 25% and ductility by 15%.
Mohammad Rezayat +6 more
wiley +1 more source
Advanced Engineering Materials, EarlyView.This study investigates laser shock peening for enhancing fatigue performance of riveted aerospace aluminum joints. A comparative approach with cold expansion combines fatigue testing and synchrotron X‐ray methods. Integrating mechanical testing with residual stress and strain characterization provides insights into how different treatments affect the ...
Ogün Baris Tapar +6 more
wiley +1 more source
Symmetry of Open Quantum Systems: Classification of Dissipative Quantum Chaos
PRX Quantum, 2023 We develop a theory of symmetry in open quantum systems. Using the operator-state mapping, we characterize symmetry of Liouvillian superoperators for the open quantum dynamics by symmetry of operators in the double Hilbert space and apply the 38-fold ...
Kohei Kawabata +4 more
doaj +1 more source
Evolution governed by “generalized“ dissipative operators
Proceedings of the Japan Academy, Series A, Mathematical Sciences, 1992 The authors consider the Cauchy problem (P) \(u'(t)\in Au(t)+f(t)\), \(t\in[0,T]\); \(u(0)=x\) is a Banach space \((X,|\cdot|)\) under the assumption that \(f\in L^ 1(0,T;X)\) and the multivalued operator \(A: D(A)\subset X\to X\) satisfy the condition: there exists \(\omega: \mathbb{R}_ +\to\mathbb{R}\) such that \(\omega(0)=0\) and problem \(r'(t ...
Kobayashi, Yoshikazu, Tanaka, Naoki
openaire +3 more sources
Quantum Magnetic Impurities in Magnetically Ordered Systems
, 2003 We discuss the problem of a spin 1/2 impurity immersed in a spin S magnetically ordered background. We show that the problem maps onto a generalization of the dissipative two level system (DTLS) with two independent heat baths, associated with the ...
A. H. Castro Neto +8 more
core +1 more source
Process‐Informed Analysis of As‐Built Metal Additive Surface Features
Advanced Engineering Materials, EarlyView.This article introduces a novel method for feature‐based surface texture characterisation directly incorporating manufacturing variables into the feature extraction workflow. This marks a major step towards identifying process‐specific surface properties and their influence on part function and hence a holistic understanding of process–structure ...
Theresa Buchenau +5 more
wiley +1 more source
Pesquimat, 2014 We consider a mixed problem for a system of nonlinear wave equations with p-Laplacian operator and with dissipative strong term. We prove the local existence of solutions by Galerkin method and blow-up of' solutions by the energy method.
Teófanes Quispe Méndez +2 more
doaj +1 more source
Operator growth in open quantum systems: lessons from the dissipative SYK
Journal of High Energy Physics, 2023 We study the operator growth in open quantum systems with dephasing dissipation terms, extending the Krylov complexity formalism of [1]. Our results are based on the study of the dissipative q-body Sachdev-Ye-Kitaev (SYK q ) model, governed by the ...
Budhaditya Bhattacharjee +3 more
doaj +1 more source
SciPost Physics Core, 2021 We present calculations of the time-evolution of the driven-dissipative XYZ model using the infinite Projected Entangled Pair Operator (iPEPO) method, introduced by [A. Kshetrimayum, H. Weimer and R. Orús, Nat. Commun. 8, 1291 (2017)].
Dainius Kilda, Alberto Biella, Marco Schiro, Rosario Fazio, Jonathan Keeling
doaj +1 more source
, 2003 A unified canonical operator formalism for quantum stochastic differential equations, including the quantum stochastic Liouville equation and the quantum Langevin equation both of the It\^o and the Stratonovich types, is presented within the framework of
A.E. Kobryn +102 more
core +1 more source