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Dissipative Systems and Objective Description: Quantum Brownian Motion as an Example
Springer Science and Business Media LLC - Tập 43 - Trang 1515-1525 - 2004
B. Vacchini
A structure of generator of a quantum dynamical semigroup for the dynamics of a test particle interacting through collisions with the environment is considered, which has been obtained from a microphysical model. The related master-equation is shown to go over to a Fokker–Planck equation for the description of Brownian motion at quantum level in the long wavelength limit. The structure of this Fok...... hiện toàn bộ
On the Electromagnetic Origin of Inertia and Inertial Mass
Springer Science and Business Media LLC - Tập 47 - Trang 2706-2715 - 2008
Alexandre A. Martins, Mario J. Pinheiro
We address the problem of inertial property of matter through analysis of the motion of an extended charged particle. Our approach is based on the continuity equation for momentum (Newton’s second law) taking due account of the vector potential and its convective derivative. We obtain a development in terms of retarded potentials allowing an intuitive physical interpretation of its main terms. The...... hiện toàn bộ
Algebra Solutions of Antiferromagnet-Antiferromagnet-Ferromagnet Quantum Heisenberg Chains Related to Sp(6,R) Lie Algebra
Springer Science and Business Media LLC - Tập 50 - Trang 3141-3148 - 2011
Shuo Jin, Bing-Hao Xie
Antiferromagnet-antiferromagnet-ferromagnet (AF-AF-F) quantum Heisenberg chains in linear spin-wave frame is shown explicitly to have an su(1,2) algebraic structure, and its algebra solutions related to the Sp(6,R) Lie algebra are derived by using an algebraic method. It is found that the energy spectrum of the system is determined by one-boson excitation energies built on a vector coherent state ...... hiện toàn bộ
Positive and Negative Hierarchies of Integrable Lattice Models Associated with a Hamiltonian Pair
Springer Science and Business Media LLC - Tập 43 - Trang 219-235 - 2004
Wen-Xiu Ma, Xi-Xiang Xu
A difference Hamiltonian operator involving two arbitrary constants is presented, and it is used to construct a pair of nondegenerate Hamiltonian operators. The resulting Hamiltonian pair yields two difference hereditary operators, and the associated positive and negative hierarchies of nonlinear integrable lattice models are derived through the bi-Hamiltonian formulation. Moreover, the two lattic...... hiện toàn bộ
The Transformations from the New Intermediate Entangled State
Springer Science and Business Media LLC - Tập 50 - Trang 3176-3185 - 2011
Xing-Lei Xu, Shi-Min Xu, Yun-Hai Zhang, Hong-Qi Li, Ji-Suo Wang
The new intermediate entangled state |η;θ〉 is proposed by virtue of IWOP technique, which is the common eigenvector of $[(\hat{x}_{1} - \hat{x}_{2})\cos\theta -(\hat{p}_{1} - \hat{p}_{2})\sin\theta ]$ and $[(\hat{x}_{1} +\hat{x}_{2})\sin\theta +...... hiện toàn bộ
Singular Mapping for a PT-Symmetric Sinusoidal Optical Lattice at the Symmetry-Breaking Threshold
Springer Science and Business Media LLC - Tập 54 - Trang 3986-3990 - 2014
H. F. Jones
A popular PT-symmetric optical potential (variation of the refractive index) that supports a variety of interesting and unusual phenomena is the imaginary exponential, the limiting case of the potential $V_{0}[\cos (2\uppi x/a)+i\uplambda \sin (2\uppi x/a)]$ ...... hiện toàn bộ
A Quantum Multi-proxy Blind Signature Scheme Based on Genuine Four-Qubit Entangled State
Springer Science and Business Media LLC - Tập 55 - Trang 809-816 - 2015
Juan-Hong Tian, Jian-Zhong Zhang, Yan-Ping Li
In this paper, we propose a multi-proxy blind signature scheme based on controlled teleportation. Genuine four-qubit entangled state functions as quantum channel. The scheme uses the physical characteristics of quantum mechanics to implement delegation, signature and verification. The security analysis shows the scheme satisfies the security features of multi-proxy signature, unforgeability, unden...... hiện toàn bộ
Optimized Remote Multi-Hop Teleportation Scheme of Arbitrary Four-Qubit States Based on Wireless Mesh Network
Springer Science and Business Media LLC - Tập 60 - Trang 338-347 - 2021
Xin-Wei Zha, Ke Li, Ning Miao
Multi-hop remote quantum teleportation has significant value in wireless quantum network and long distance quantum information transmission. Due to the long distance transmission of quantum information will be affected by the interference of noise, this makes quantum states nonlocal decoherence, so multi-hop teleportation through intermediate nodes has significant theory and application value to s...... hiện toàn bộ
The Scalar-photon Coupling with Mie Invariant Within the Scope of Bianchi Type-I Cosmological Model
Springer Science and Business Media LLC - Tập 55 - Trang 1093-1104 - 2015
Ruslan K. Muharlyamov, Tatiana N. Pankratyeva
We investigate the Bianchi type-I cosmological model with the scalar and electromagnetic fields possessing non-minimal couplings. They contain the Mie invariant that leads to the flat Friedman’s cosmological model. We found the lagrangian for interaction, which the isotropization process of the expansion takes place. Two cases are considered, when the Mie invariant is constat or time-dependent. We...... hiện toàn bộ
Thermodynamics of a Charged Particle in a Noncommutative Plane in a Background Magnetic Field
Springer Science and Business Media LLC - Tập 56 - Trang 1831-1844 - 2017
Aslam Halder, Sunandan Gangopadhyay
Landau system in noncommutative space has been considered. To take into account the issue of gauge invariance in noncommutative space, we incorporate the Seiberg-Witten map in our analysis. Generalised Bopp-shift transformation is then used to map the noncommutative system to its commutative equivalent system. In particular we have computed the partition function of the system and from this we obt...... hiện toàn bộ
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