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搜索结果: 1-15 共查到理学 quantum dynamics相关记录20条 . 查询时间(0.108 秒)
We present a new numerical method for accurate computations of solutions to (linear) one dimensional Schr\"odinger equations with periodic potentials. This is a prominent model in solid state physics ...
We thoroughly investigate vibrational quantum dynamics of dimers attached to He droplets motivated by recent measurements with K2 [1]. For those femtosecond pump-probe experiments, crucial observed fe...
We study the role of quantum fluctuations of atomic nuclei in thermally activated, out-of-equilibrium processes. To this goal we introduce an extension of the Dominant Reaction Pathways (DRP) formalis...
In these notes we review some recent results concerning the derivation of effective equations from first principle quantum dynamics. In particular, we discuss the derivation of the semi-relativistic...
Dynamical A and B maps have been employed extensively by Sudarshan and co-workers to investigate open system evolution of quantum systems. A canonical structure of the A-map is introduced here. It is ...
We analyze the quantum Bianchi I model in the setting of the nonstandard loop quantum cosmology. Elementary observables are used to quantize the volume operator. The spectrum of the volume operator i...
We investigate the dynamics of pairs of Fermions and Bosons released from a box and find that their populations have unique generic properties ensuing from the axioms of quantum statistics and symmetr...
Symmetries and transformations are explored in the framework of entropic quantum dynamics. Two conditions arise that are required for any transformation to qualify as a symmetry. The heart of this wor...
We show that stochastic phase-space methods within the truncated Wigner approximation can be used to solve non-equilibrium dynamics of bosonic atoms in 1d traps. We consider systems both with and with...
Radical-ion-pair reactions were recently shown to represent a rich biophysical laboratory for the application of quantum measurement theory methods and concepts, casting doubt on the validity of the t...
In this work we investigate the quantum dynamics of three di erent con gurations of nonlinear cavity systems. We begin by carrying out a quantum analysis of a dc superconducting quantum interference d...
We study the dynamics of a Bose-Einstein condensate in a one-dimensional optical lattice in the limit of weak atom-atom interactions, including an approximate model for quantum fluctuations. A pulsati...
2001Vol.35No.3pp.319-322DOI: Quantum Dynamics of Cooled Atoms in the Presence of Bose-Einstein Condensates YI Xue-Xi1,3 and SU Jun-Chen2 1 Institute of Theoretical Phys...
2001Vol.35No.4pp.509-512DOI: Comparison Between the Full Quantum Dynamics and the Quantum-Semiclassical Models to Many-Particle Systems GAO Xian-Long,1 WANG Ke-Lin,1,2 XU Fei2 an...
2007Vol.47No.3pp.561-566DOI: Exact Solution of Quantum Dynamics of a Cantilever Coupling to aSingle Trapped Ultracold Ion LIU Tao,1 FENG Mang,1,2 and WANG Ke-Lin1,3 1 Th...

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