Results 31 to 40 of about 235,239 (268)

Synchronization in two-level quantum systems

open access: yes, 2020
Recently, it was shown that dissipative quantum systems with three or more levels are able to synchronize to an external signal, but it was stated that it is not possible for two-level systems as they lack a stable limit cycle in the unperturbed dynamics.
Bergli, Joakim, Parra-López, Álvaro
core   +1 more source

Quantum enhanced positioning and clock synchronization [PDF]

open access: yes, 2001
A wide variety of positioning and ranging procedures are based on repeatedly sending electromagnetic pulses through space and measuring their time of arrival.
A Peres   +20 more
core   +2 more sources

Robust Synchronization of Master-Slave Chaotic Systems Using Approximate Model:An Experimental Study [PDF]

open access: yes, 2018
Robust synchronization of master slave chaotic systems are considered in this work. First an approximate model of the error system is obtained using the ultra-local model concept.
Ahmed, Hafiz   +2 more
core   +1 more source

A novel fixed-time smooth synchronization controller for stabilizing chaotic spacecraft formation

open access: yesAlexandria Engineering Journal
This article addresses two essential gaps in chaos synchronization. First, it studies fixed-time leader-follower spacecraft formation (LFSF) synchronization of multiple chaotic spacecraft systems, a previously unexplored area.
Muhammad Shafiq, Israr Ahmad
doaj   +1 more source

Fixed-Time Synchronization of Delayed Memristive Neural Networks with Discontinuous Activations

open access: yesJournal of Mathematics, 2021
In this paper, the fixed-time synchronization problem for a class of memristive neural networks with discontinuous neuron activation functions and mixed time-varying delays is investigated.
Hao Pu, Fengjun Li
doaj   +1 more source

Adaptive Predefined-Time Synchronization of Two Different Fractional-Order Chaotic Systems With Time-Delay

open access: yesIEEE Access, 2021
This paper devotes to the adaptive globally synchronization within predefined-time of two time-delayed fractional-order chaotic systems. Firstly, through fractional calculus, two novel different fractional-order systems with time-delay are proposed ...
Lixiong Lin   +5 more
doaj   +1 more source

High-resolution 3D optical microscopy inside the beating zebrafish heart using prospective optical gating [PDF]

open access: yes, 2012
3D fluorescence imaging is a fundamental tool in the study of functional and developmental biology, but effective imaging is particularly difficult in moving structures such as the beating heart.
Girkin, J.M., Love, G.D., Taylor, J.M.
core   +1 more source

Complex Modified Function Projective Lag Synchronization With Fixed-Time Stability Guarantees for Hyperchaotic Systems via a Fixed-Time Control Proposal

open access: yesIEEE Access, 2022
Our paper investigates complex modified function projective lag synchronization with fixed-time stability guarantees for hyperchaotic systems via a FxTC proposal.
Anh Tuan Vo   +2 more
doaj   +1 more source

Riddled Basins of Attraction in Systems Exhibiting Extreme Events [PDF]

open access: yes, 2017
Using a system of two FitzHugh-Nagumo units, we demonstrate the occurrence of riddled basins of attraction in delay-coupled systems as the coupling between the units is increased.
Feudel, Ulrike, Saha, Arindam
core   +2 more sources

Fixed/predefined-time generalized synchronization for stochastic complex dynamical networks with delays

open access: yesAIMS Mathematics
In this paper, the fixed/predefined-time generalized synchronization problem of stochastic complex dynamical networks with delays is studied for the first time.
Qike Zhang, Tao Xie, Wenxiang Fang
doaj   +1 more source

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