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Symmetry and collective motion
Symmetry collective motion
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2010/11/30
The continuous symmetries of physical systems are reflected not only by conservation laws, but also by constraints on the probability, or particle dis-tribution functions, and phase-space reduction.
Positive recurrence of reflecting Brownian motion in three dimensions
Reflecting Brownian motion transience Skorohod problem
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2010/12/14
Consider a semimartingale reflecting Brownian motion (SRBM)Z whose state space is the d-dimensional nonnegative orthant. The data for such a process are a drift vector , a nonsingular d×d covariance ...
Equations of motion in General Relativity and Quantum Mechanics
non-geodesic motion Dirac equation equations of motion Maxwell-Boltzmann distribution
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2010/12/16
In a previous article a relationship was established between the linearized metrics of General Relativity associated with geodesics and the Dirac Equation of quantum mechanics.
Feller Processes: The Next Generation in Modeling. Brownian Motion, Lévy Processes and Beyond
Feller Processes The Next Generation in Modeling rownian Motion Lévy Processes Beyond
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2010/12/13
We present a simple construction method for Feller processes and a framework for the generation of sample paths of Feller processes. The construction is based on state space dependent mixing of L&acut...
Occupation and Local Times for Skew Brownian Motion with Applications to Dispersion Across an Interface
Skew Brownian motion advection-diffusion local time
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2010/12/14
Advective skew dispersion is a natural Markov process defined by a diffusion with drift across an interface of jump discontinuity in a piecewise constant diffusion coefficient.
Equations of motion in General Relativity and Quantum Mechanics
non-geodesic motion Dirac equation equations of motion Maxwell-Boltzmann distribution
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2010/10/21
In a previous article a relationship was established between the linearized metrics of General Relativity associated with geodesics and the Dirac Equation of quantum mechanics. In this paper the exten...
Quantum random walks and minors of Hermitian Brownian motion
Quantum random walks minors of Hermitian Brownian motion
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2010/11/30
Considering quantum random walks, we construct discrete-time approximations of the eigenvalues processes of minors of Hermitian Brownian motion.
Operational methods and Lorentz-type equations of motion
Operational methods Lorentz-type equations of motion
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2010/12/9
We propose an operational method for the solution of di erential equations involv-ing vector products. The technique we propose is based on the use of the evolution operator, de ned in such a way that...
Ground motion prediction from nearest seismogenic zones in and around Greater Cairo Area, Egypt
Ground motion prediction nearest seismogenic zones Greater Cairo Area Egypt
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2010/10/21
This paper reviews the likely source characteristics, focal source mechanism and fault patterns of the nearest effective seismogenic zones to Greater Cairo Area. Furthermore, Mmax and ground accelerat...
Rupture Process of the 1999Mw7.1 Duzce Earthquake from Joint Analysis of SPOT, GPS, InSAR, Strong-Motion, and Teleseismic Data: A Supershear Rupture with Variable Rupture Velocity
Rupture Process the 1999Mw7.1 Duzce Earthquake Joint Analysis of SPOT GPS InSAR Strong-Motion Teleseismic Data A Supershear Rupture Variable Rupture Velocity
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2014/4/15
We analyze the rupture process of the 1999Mw7.1 Duzce earthquake using seismological, remote sensing, and geodetic data. Ground deformation measured from the subpixel cross correlation of Satellite Po...
Equations of Motion that Recognize Biochemical Patterns
Biochemical Patterns partial differential equations
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2010/4/6
Equations of motion that recognize biochemical patterns are described. The equations are partial differential equations in a continuous multiple component system in which adequate initial and boundary...
Open Quantum System Dynamics from a Measurement Perspective: Applications to Coherent Particle Transport and to Quantum~Brownian Motion
Open Quantum System Dynamics a Measurement Perspective Applications Coherent Particle Transport Quantum~Brownian Motion
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2010/10/20
We employ the theoretical framework of positive operator valued measures, to study Markovian open quantum systems. In particular, we discuss how a quantum system in uences its environment, or parts th...
Physicists in the US have observed chemical reactions taking place at such low temperatures that they are dominated by quantum effects, rather than thermal collisions. The researchers showed that diat...
Domain wall motion in ferromagnetic nanowires driven by arbitrary time-dependent fields: An exact result
Domain wall motion magnetic domain walls
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2010/4/2
We address the dynamics of magnetic domain walls in ferromagnetic nanowires under the influence of external time-dependent magnetic fields. We report a new exact spatiotemporal solution of the Landau-...
Particle formation in the Arctic free troposphere during the ASTAR 2004 campaign: a case study on the influence of vertical motion on the binary homogeneous nucleation of H2SO4/H2O
Arctic free troposphere ASTAR 2004 campaign binary homogeneous nucleation of H2SO4/H2O
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2010/2/21
During the ASTAR (Arctic Study of Tropospheric Aerosol and Radiation) campaign nucleation mode particles (4 to 13 nm) were quite frequently observed at altitudes below 4000 m. However, in the upper fr...