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We derive a set of dynamical mean-field equations for strongly interacting fermionic atoms in a potential trap across a Feshbach resonance. Our derivation is based on a variational ansatz, which generalizes the crossover wavefunction to the…

其他凝聚态物理 · 物理学 2007-05-23 W. Yi , L. -M. Duan

Herein I respond to the criticism and to the complains by Benestad (Pattern Recogn. Phys. 1, 91-92, 2013, http://dx.doi.org/10.5194/prp-1-91-2013) of Scafetta (Pattern Recogn. Phys. 1, 37-57, 2013, http://dx.doi.org/10.5194/prp-1-37-2013)…

地球物理 · 物理学 2013-09-27 Nicola Scafetta

We discuss an improper application of the Maxwell-Boltzmann theory to a very unrealistic model. The authors of the original paper claim that a generalized theory would solve a problem that really does not exists. This Comment was submited…

统计力学 · 物理学 2007-05-23 F. A. da Costa , M. D. S. de Meneses

The scope of the paper is a theoretical analysis of the dynamical system, the model of which was reduced to Weierstrasse function. A fractal structure of the trajectory was proved and the entropy of the system information designated.

动力系统 · 数学 2026-02-10 Marek Berezowski

In this paper we study the connection between four models describing dislocation dynamics: a generalized 2D Frenkel-Kontorova model at the atomic level, the Peierls-Nabarro model, the discrete dislocation dynamics and a macroscopic model…

偏微分方程分析 · 数学 2015-05-13 A. El Hajj , H. Ibrahim , R. Monneau

It is shown that the proposal of Ref. [1] of Casimir repulsion and nanolevitation based on chiral metamaterials is incompatible with the passivity and causality of the materials.

材料科学 · 物理学 2010-11-11 M. G. Silveirinha , S. I. Maslovski

We analyze the equations of relativistic magnetized plasma dynamics in the limiting case that electromagnetic stress-energy is dominant over pressure and rest mass energy density. The naive formulation of these equations is shown to be not…

广义相对论与量子宇宙学 · 物理学 2013-07-31 Harald P. Pfeiffer , Andrew I. MacFadyen

In a recent Comment, Decca et al. [Phys. Rev. A 79, 026101 (2009); arXiv:0809.3576] discussed the origin of the anomalies recently reported by us in Phys. Rev. A 78, 036102(R) (2008); arXiv:0812.0028 . Here we restate our view, corroborated…

量子物理 · 物理学 2009-11-13 W. J. Kim , M. Brown-Hayes , D. A. R. Dalvit , J. H. Brownell , R. Onofrio

The analytical generalization of the classical dynamical friction formula (derived under the assumption that all the field particles have the same mass) to the case in which the masses of the field particles are distributed with a mass…

星系天体物理 · 物理学 2015-05-18 Luca Ciotti

The comment gives principal arguments proving that the claims given in the title of the commented paper and some its conclusions have to be wrong for principal reasons. An example illustrating the arguments is provided via atomistic…

材料科学 · 物理学 2022-12-21 Zbigniew Kaszkur

The article proposes generalizations of the macroscopic model of plasma of scalar charged particles to the cases of inter-particle interaction with multiple scalar fields and negative effective masses of these particles. The model is based…

广义相对论与量子宇宙学 · 物理学 2015-12-02 Yu. G. Ignat'ev

We establish verifiable general sufficient conditions for exponential or subexponential ergodicity of Markov processes that may lack the strong Feller property. We apply the obtained results to show exponential ergodicity of a variety of…

概率论 · 数学 2019-03-27 Oleg Butkovsky , Alexei Kulik , Michael Scheutzow

This paper has been withdrawn by the authors for adding some results.

流体动力学 · 物理学 2007-05-23 Hongwu Zhao , Kamran Mohseni , Jerrold E. Marsden

In the above entitled recent publication by Giovanni Lapenta [Phys. Rev. Lett. Vol 90, 135005 (2003) ] it is claimed construction of a new class of solitonlike solutions for the Grad-Shafranov equation in plane geometry. It is proved here…

等离子体物理 · 物理学 2009-11-10 G. N. Throumoulopoulos , K. Hizanidis , H. Tasso

Classical Bianchi-Lie, Backlund and Darboux transformations are considered. Their generalizations for the dynamical systems are discussed. For the transformation being the generalization of the normal shift the special class of dynamical…

chao-dyn · 物理学 2008-02-03 A. Yu. Boldin , R. A. Sharipov

We describe an asymptotic procedure for deriving continuum equations from the kinetic theory of a simple gas. As in the works of Hilbert, of Chapman and of Enskog, we expand in the mean flight time of the constituent particles of the gas,…

天体物理学 · 物理学 2009-11-06 Xinzhong Chen , Hongling Rao , Edward A. Spiegel

In a Comment [Phys. Rev. Lett. 113, 029801 (2014)] on our Letter on self-propelled asymmetric particles [Phys. Rev. Lett. 110, 198302 (2013); arXiv:1302.5787], Felderhof claims that our theory based on Langevin equations would be…

We show explicitly that the sum over punctures for the three times derivative for the Penner free energy $F_{0}^{3}$, given by D.A. Johnston, Phys.Rev.D 51 (1995) is not correct. As a consequence, Eq.(21), the differentiated version for the…

高能物理 - 理论 · 物理学 2008-11-26 Noureddine Chair

The influence on macroscopic work hardening of small, spherical, elastic particles dispersed within a matrix is studied using an isotropic strain gradient plasticity framework. An analytical solution, based on a recently developed yield…

材料科学 · 物理学 2021-10-25 Philip Croné , Peter Gudmundson , Jonas Faleskog

The gas-kinetic foundation of fluid-dynamic traffic equations suggested in previous papers [Physica A 219, 375 and 391 (1995)] is further refined by applying the theory of dense gases and granular materials to the Boltzmann-like traffic…

统计力学 · 物理学 2015-06-25 Dirk Helbing
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