Decoherence: a numerical study

C Nagele, O Janssen, M Kleban - Journal of Physics A …, 2023 - iopscience.iop.org
… We study quantum decoherence numerically in a system … see clear evidence of decoherence:
after tracing out the … We measure the speed with which decoherence spreads in the …

Quantum decoherence

M Schlosshauer - Physics Reports, 2019 - Elsevier
… formalism of decoherence, focusing on the picture of the decoherence process as a …
classes of decoherence models and discuss the description of the decoherence dynamics …

A numerical study of quantum decoherence

R Adami, C Negulescu - Communications in Computational Physics, 2012 - cambridge.org
… , both from the analytical [1–3, 8, 10, 12, 14, 15] and the numerical [5] point of view. The
aim of this paper is to investigate numerically the mechanism of decoherence on the simplest …

Efficient scheme for numerical simulations of the spin-bath decoherence

VV Dobrovitski, HA De Raedt - Physical Review E, 2003 - APS
… method is a very efficient numerical tool for studying spin-bath decoherence of quantum
systems. We consider two typical problems arising in studying decoherence of quantum systems …

Investigating decoherence in a simple system

A Albrecht - Physical Review D, 1992 - APS
… Exact solutions are found using numerical techniques. The type of decoherence exhibited
by the modelcan be changed by varying a coupling strength. I study the system from two …

[HTML][HTML] The role of decoherence in quantum mechanics

G Bacciagaluppi - 2003 - plato.stanford.edu
… 1.1 Environmental decoherence ‘Environmental’ decoherence is decoherence that arises
… The study of environmental decoherence consists to a large extent in the construction and …

Control of decoherence with no control

J Jing, LA Wu - Scientific Reports, 2013 - nature.com
… of decoherence suppressions, in particular suppression of dissipation. Dissipation is a
decoherence … Below we will numerically study the noise effects on fidelity during time courses. …

Using weak nonlinearity under decoherence for macroscopic entanglement generation and quantum computation

H Jeong - Physical Review A—Atomic, Molecular, and Optical …, 2005 - APS
… approach can overcome decoherence effects. Our numerical study shows that nonlinearity …
quantum gate operations in the presence of decoherence. We suggest specific values for real …

Fisher information under decoherence in Bloch representation

W Zhong, Z Sun, J Ma, X Wang, F Nori - Physical Review A—Atomic, Molecular …, 2013 - APS
… for them under three different decoherence channels, which are expressed … numerically
study the dynamics of both sets of information in a dissipative model and compare the numerical

Numerical method for finding decoherence-free subspaces and its applications

X Wang, M Byrd, K Jacobs - Physical Review A—Atomic, Molecular, and …, 2013 - APS
… In this work, inspired by the study of semidefinite programming for block-diagonalizing matrix
*-algebras, we propose an algorithm that can find the algebraic structure of decoherence-…