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Unified analysis of terminal-time control in classical and quantum systems
unified analysis terminal-time control classical and quantum systems
2010/11/8
Many phenomena in physics, chemistry, and biology involve seeking an optimal control to maximize an objective for a classical or quantum system which is open and interacting with its environment. The ...
Nonperturbative Analysis of a Quantum Mechanical Model for Unstable Particles
Nonperturbative Analysis Quantum Mechanical Model Unstable Particles
2010/11/9
We present a detailed non-perturbative analysis of the time-evolution of a well-known quantum-mechanical system - a particle between potential walls - describing the decay of unstable states. For suff...
Analysis of a continuous-variable quadripartite cluster state from a single optical parametric oscillator
continuous-variable quadripartite cluster state single optical parametric oscillator
2010/10/20
We examine the feasibility of generating continuous-variable multipartite entanglement in an
intra-cavity quadruply concurrent downconversion scheme that has been proposed for the generation of clust...
Analysis of Effectiveness of Lyapunov Control for Non-generic Quantum States
Analysis Lyapunov Control Non-generic Quantum States
2010/4/12
A Lyapunov-based control design for natural trajectory-tracking problems is analyzed for quantum states where the analysis in the generic case is not applicable. Using dynamical systems tools we show ...
Analysis of Lyapunov Method for Control of Quantum States
Analysis Lyapunov Method Quantum States
2010/4/12
The natural trajectory tracking problem is studied for generic quantum states represented by density operators. A control design based on the Hilbert-Schmidt distance as a Lyapunov function is conside...
Homogeneous MERA states: an information theoretical analysis
Homogeneous MERA states information theoretical analysis
2010/4/9
Homogeneous Multi-scale Entanglement Renormalization Ansazt (MERA) state have been recently introduced to describe quantum critical systems. Here we present an extensive analysis of the properties of ...
Numerical analysis of decoy state quantum key distribution protocols
Numerical analysis decoy state quantum key distribution protocols
2010/4/7
Decoy state protocols are a useful tool for many quantum key distribution systems implemented with weak coherent pulses, allowing significantly better secret bit rates and longer maximum distances. In...
2001Vol.36No.4pp.491-496DOI:
Hyperspherical Analysis of
D- in a Quantum Well
GU Yun-Ting
Department of Physics, Guangxi University, Nanning 530004, China
(Re...
Steady-State Analysis of a Single-Mode Laser Driven by Colored
Pump Noise with Cross-Correlation Between Real and Imaginary Parts of
Quantum Noise
single-mode laser colored pump noise cross-correlation
between the real and imaginary parts of the quantum noise
2007/8/15
2003Vol.40No.6pp.659-664DOI:
Steady-State Analysis of a Single-Mode Laser Driven by Colored
Pump Noise with Cross-Correlation Between Real and Imaginary Parts of
Quantum Noise
...
Dynamic Analysis for Bose-Einstein Condensation in Quantum Cavity
Bose-Einstein condensation quantum cavity representation laser cooling
2007/8/15
2005Vol.43No.5pp.900-904DOI:
Dynamic Analysis for Bose-Einstein Condensation in Quantum Cavity
ZHANG Li,1,2 WANG Cheng,2 LI Yan-Min,3 and WANG Jin-Fang1
1 School of Phys...
Performance analysis of an irreversible quantum heat engine working with harmonic oscillators
harmonic oscillators quantum heat engine
2007/6/5
The cycle model of a regenerative quantum heat engine working with many noninteracting harmonic oscillators is established. The cycle consists of two isothermal and two constant-frequency processes. T...