搜索结果: 1-15 共查到“理学 wave-packet”相关记录15条 . 查询时间(0.093 秒)
Synchrosqueezed Wave Packet Transform for 2D Mode Decomposition
wave packet transform synchrosqueezing clustering local wavevector phase space representation empirical mode decomposition
2015/7/14
This paper introduces the synchrosqueezed wave packet transform as a method for analyzing twodimensional images. This transform is a combination of wave packet transforms of a certain geometric scalin...
A Family of Exact, Analytic Time Dependent Wave Packet Solutions to a Nonlinear Schroedinger Equation
A Family of Exact Analytic Time Dependent Packet Solutions Nonlinear Schroedinger Equation Mathematical Physics
2012/6/19
We obtain time dependent $q$-Gaussian wave-packet solutions to a non linear Schr\"odinger equation recently advanced by Nobre, Rego-Montero and Tsallis (NRT) [Phys. Rev. Lett. 106 (2011) 10601]. The N...
Quantum Interferometry and Correlated Two-Electron Wave-Packet Observation in Helium
Quantum Interferometry Correlated Two-Electron Wave-Packet Observation Helium Atomic Physics
2012/5/17
The concerted motion of two or more bound electrons governs atomic and molecular non-equilibrium processes and chemical reactions. It is thus a long-standing scientific dream to measure the dynamics o...
A fast Variational Gaussian Wave-packet method: Size-induced structural transitions in large neon clusters
Variational Gaussian Wave-packet method Size-induced structural transitions large neon clusters
2011/8/17
Abstract: The Variational Gaussian wavepacket (VGW) method is an alternative to Path Integral Monte-Carlo (PIMC) for the computation of thermodynamic properties of many-body systems at thermal equilib...
We investigate the propagation of a wave--packet in the $\phi^4$ model. We solve the time-dependent equation of motion for two distinct initial conditions: The wave-packet in a trivial vacuum backgro...
Decay of Resonance Structure and Trapping Effect in Potential Scattering Problem of Self-Focusing Wave Packet
Quantum Gases (cond-mat.quant-gas) Exactly Solvable and Integrable Systems (nlin.SI)
2010/11/10
Potential scattering problems governed by the time dependent Gross-Pitaevskii equation are investigated numerically for various values of coupling constants. The initial condition is assumed to have t...
Communicating with a wave packet using quantum superarrival
quantum superarrival communicating wave packet
2010/11/8
An analytical treatment of a propagating wave packet incident on a transient barrier reveals a counterintuitive quantum mechanical effect in which, for a particular time interval, the time-varying tra...
Wave packet evolution in non-Hermitian quantum systems
packet evolution non-Hermitian quantum
2010/11/8
The quantum evolution of the Wigner function for Gaussian wave packets generated by a non-Hermitian Hamiltonian is investigated. In the semiclassical limit $\hbar\to 0$ this yields the non-Hermitian a...
The Quantum Wave Packet and the Feynman de Broglie Bohm Propagator of the Linearized Schuch Chung Hartmann Equation along a Classical Trajetory
The Quantum Wave Packet Feynman Broglie Bohm Propagator Linearized Schuch Chung Hartmann Equation
2010/11/5
In this paper we study the quantum wave packet and the Feynman-de Broglie-Bohm propagator of the linearized Schuch-Chung-Hartmann equation along a classical trajetory.
Wave packet revivals in a graphene quantum dot in a perpendicular magnetic field
packet revivals graphene quantum dot perpendicular magnetic field
2010/10/27
We study the time-evolution of localized wavepackets in graphene quantum dots in a perpendicular magnetic field, focusing on the quasiclassical and revival periodicities, for different values of the m...
Inversion of an Atomic Wave Packet in a Circularly Polarized
Electromagnetic Wave
atomic inversion
atomic wave packet circularly polarized electromagnetic wave
2007/8/15
2001Vol.35No.1pp.83-86DOI:
Inversion of an Atomic Wave Packet in a Circularly Polarized
Electromagnetic Wave
ZENG Gao-Jian
CCAST (World Laboratory), P.O. Box 8730, Beiji...
Quantitative Measurement of the Exponential Growth of Spreading
Width of a Quantum Wave Packet
in Chaotic Systems
exponential instability of motion total uncertainty
measurement maximum Lyapunov exponent
2007/8/15
2002Vol.37No.6pp.671-674DOI:
Quantitative Measurement of the Exponential Growth of Spreading
Width of a Quantum Wave Packet
in Chaotic Systems
LI Jun-Qing,1,2 LIU Fang,3 XING Yong...
A semiclassical study of wave packet dynamics in anharmonic potentials
A semiclassical wave packet dynamics anharmonic potentials
2014/9/24
Classical and semiclassical methods are developed to calculate and invert the wave packet motion measured in pump-probe experiments. With classical propagation of the Wigner distribution of the initia...
Detecting wave packet motion in pump–probe experiments: Theoretical analysis
Detecting wave packet motion pump–probe experiments Theoretical analysis
2014/9/24
The Zewail–Bersohn model@Ber. Bunsenges. Phys. Chem.92, 373 ~1988!# of pump–probe experiments is generalized to nonstationary wave packets and more realistic forms of probe pulses. The analysis illust...
A simple physical picture for quantum control of wave packet localization
simple physical picture quantum control wave packet localization
2014/9/24
Based on weak field quantum control theory, a semiclassical approximation relates the characteristic parameters of the tailored light field to corresponding classical dynamical quantities and thus rev...
