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A new non-perturbative approach to quantum theory in curved spacetime and to quantum gravity, based on a generalisation of the Wigner equation, is proposed. Our definition for a Wigner equation differs from what have otherwise been…

高能物理 - 理论 · 物理学 2009-10-30 Frank Antonsen

We derive a hydrodynamic model for a liquid of arbitrarily curved flux-lines and vortex loops using the mapping of the vortex liquid onto a liquid of relativistic charged quantum bosons in 2+1 dimensions recently suggested by Tesanovic and…

超导电性 · 物理学 2007-05-23 P. Benetatos , M. C. Marchetti

We show that the inverse problems for a class of kinetic equations can be solved by classical tools in PDE analysis including energy estimates and the celebrated averaging lemma. Using these tools, we give a unified framework for the…

偏微分方程分析 · 数学 2020-04-22 Qin Li , Weiran Sun

For Schwinger pair production with background electric fields varying only in time, it is shown that the quantum kinetic approach, based on the quantum Vlasov equation, and the quantum mechanical scattering approach, are completely…

高能物理 - 理论 · 物理学 2010-05-12 Cesim K. Dumlu

We develop a many-particle quantum-hydrodynamical model of fermion matter interacting with the external classical electromagnetic and gravitational/inertial and torsion fields. The consistent hydrodynamical formulation is constructed for…

高能物理 - 理论 · 物理学 2021-12-17 Mariya Iv. Trukhanova , Yuri N. Obukhov

In this short paper, we show how a quantum nonlocal effect of far-apart wavepackets in the Schrodinger picture of wavefunctions is replaced by a local instability problem when considering the hydrodynamical formulation of quantum mechanics,…

量子物理 · 物理学 2023-12-12 Yakir Aharonov , Tomer Shushi

In this paper we consider the multi-dimensional Quantum Hydrodynamics (QHD) system, by adopting an intrinsically hydrodynamic approach. The present work continues the analysis initiated in [6] where the one dimensional case was studied.…

偏微分方程分析 · 数学 2025-02-17 Paolo Antonelli , Pierangelo Marcati , Hao Zheng

We formulate the stochastic differential equations for non-linear hydrodynamic fluctuations. The equations incorporate the random forces through a random stress tensor and random heat flux as in the Landau and Lifshitz theory. However, the…

统计力学 · 物理学 2015-06-25 Pep Español

In a relativistic setting, hydrodynamic calculations which include shear viscosity (which is first order in an expansion in gradients of the flow velocity) are unstable and acausal unless they also include terms to second order in…

高能物理 - 唯象学 · 物理学 2009-07-29 Mark Abraao York , Guy D. Moore

The results from J. Stat. Phys. 159:668-712 & 163:1350-1393, on a quadratic kinetic equation in the analysis of the long time asymptotics of weak turbulence theory for the nonlinear Schr\"odinger equation, are summarized and placed in…

数学物理 · 物理学 2016-06-24 A. H. M. Kierkels

We consider inverse problems for non-linear hyperbolic and elliptic equations and give an introduction to the method based on the multiple linearization, or on the construction of artificial sources, to solve these problems. The method is…

偏微分方程分析 · 数学 2025-03-18 Matti Lassas

After a brief account of the derivation of the first-order relativistic hydrodynamic equation as a construction of the invariant manifold of relativistic Boltzmann equation, we give a sketch of derivation of the second-order hydrodynamic…

核理论 · 物理学 2015-06-05 Kyosuke Tsumura , Teiji Kunihiro

Basic equations of nonequilibrium thermo field dynamics of dense quantum systems are presented. A formulation of nonequilibrium thermo field dynamics has been performed using the nonequilibrium statistical operator method by D.N.Zubarev.…

核理论 · 物理学 2007-05-23 M. V. Tokarchuk , T. Arimitsu , A. E. Kobryn

Second-order relativistic hydrodynamics is surprisingly predictive, even in the presence of large gradients. The hydrodynamic expansion from the method of moments does not require a gradient expansion, but it is intrinsically bound to the…

核理论 · 物理学 2020-03-23 Leonardo Tinti

We derive a quantum kinetic theory for QED based on Kadanoff-Baym equations for Wigner functions. By assuming parity invariance and considering a complete set of self-energy diagrams, we find the resulting kinetic theory expanded to lowest…

高能物理 - 唯象学 · 物理学 2022-05-10 Shu Lin

In this work, we give the wave equations of relativistic and non-relativistic quantum mechanics which are different from the Schr\"{o}dinger and Klein-Gordon equation, and we also give the new relativistic wave equation of a charged…

量子物理 · 物理学 2007-05-23 Xiangyao Wu , Yiqing Guo , Xinguo Yin

We extended our formulation of causal dissipative hydrodynamics [T. Koide \textit{et al.}, Phys. Rev. \textbf{C75}, 034909 (2007)] to be applicable to the ultra-relativistic regime by considering the extensiveness of irreversible currents.…

高能物理 - 唯象学 · 物理学 2009-11-13 G. S. Denicol , T. Kodama , T. Koide , Ph. Mota

A nonlinear kinetic equation for nonrelativistic quantum plasma with electromagnetic interaction of particles is obtained in the Hartree's mean-field approximation. It is cast in a convenient form of Vlasov-Boltzmann-type equation with…

等离子体物理 · 物理学 2011-11-30 Y. O. Tyshetskiy , S. V. Vladimirov , R. Kompaneets

It is well known that Schr\"{o}dinger's equation is only suitable for the particle in conservative force field. In atomic and molecular field, a particle can suffer the action of non-conservative force. In this paper, a new quantum wave…

量子物理 · 物理学 2015-05-14 Xiang-Yao Wu , Bai-Jun Zhang , Hai-Bo Li , Xiao-Jing Liu , Jing-Wu Li , Yi-Qing Guo

We prove that ideal chiral hydrodynamics, as derived from chiral kinetic theory, is acausal and its initial-value problem is ill-posed both in the linearized case around a local equilibrium solution and also in the full nonlinear regime.…

高能物理 - 理论 · 物理学 2023-03-15 Enrico Speranza , Fabio S. Bemfica , Marcelo M. Disconzi , Jorge Noronha