Results 11 to 20 of about 232,478 (303)

Fractional Dynamics of Relativistic Particle [PDF]

open access: greenInternational Journal of Theoretical Physics, 2009
Fractional dynamics of relativistic particle is discussed. Derivatives of fractional orders with respect to proper time describe long-term memory effects that correspond to intrinsic dissipative processes. Relativistic particle subjected to a non-potential four-force is considered as a nonholonomic system.
Vasily E. Tarasov
openaire   +4 more sources

BRST FIELD THEORY OF RELATIVISTIC PARTICLES [PDF]

open access: greenInternational Journal of Modern Physics A, 1992
A generalization of BRST field theory is presented, based on wave operators for the fields constructed out of, but different from the BRST operator. We discuss their quantization, gauge fixing and the derivation of propagators. We show, that the generalized theories are relevant to relativistic particle theories in the Brink-Di Vecchia-Howe-Polyakov ...
J.W. van Holten
openaire   +5 more sources

Non-relativistic spinning particle in a Newton-Cartan background

open access: yesJournal of High Energy Physics, 2018
We construct the action of a non-relativistic spinning particle moving in a general torsionless Newton-Cartan background. The particle does not follow the geodesic equations, instead the motion is governed by the non-relativistic analog of Papapetrou ...
Andrea Barducci   +2 more
doaj   +1 more source

Rapid energization of radiation belt electrons by nonlinear wave trapping [PDF]

open access: yesAnnales Geophysicae, 2008
We show that nonlinear wave trapping plays a significant role in both the generation of whistler-mode chorus emissions and the acceleration of radiation belt electrons to relativistic energies.
Y. Katoh   +4 more
doaj   +1 more source

A Special Relativistic Exploitation of the Second Law of Thermodynamics and Its Non-Relativistic Limit

open access: yesEntropy, 2023
A thermodynamic process is a solution of the balance equations fulfilling the second law of thermodynamics. This implies restrictions on the constitutive relations. The most general way to exploit these restrictions is the method introduced by Liu.
Christina Papenfuss
doaj   +1 more source

Noncommutative relativistic particles [PDF]

open access: yesPhysical Review D, 2010
We present a relativistic formulation of noncommutative mechanics were the object of noncommutativity $ ^{ }$ is considered as an independent quantity. Its canonical conjugate momentum is also introduced, what permits to obtain an explicit form for the generators of the Lorentz group in the noncommutative case.
Amorim, R.   +2 more
openaire   +2 more sources

Particles in Relativistic MHD Jets. I. Role of Jet Dynamics in Particle Acceleration

open access: yesThe Astrophysical Journal, 2023
Relativistic jets from (supermassive) black holes are typically observed in nonthermal emission, caused by highly relativistic electrons. Here, we study the interrelation between three-dimensional (special) relativistic magnetohydrodynamics, and particle
Ravi Pratap Dubey   +2 more
doaj   +1 more source

Logical inference approach to relativistic quantum mechanics: derivation of the Klein-Gordon equation [PDF]

open access: yes, 2016
The logical inference approach to quantum theory, proposed earlier [Ann. Phys. 347 (2014) 45-73], is considered in a relativistic setting. It is shown that the Klein-Gordon equation for a massive, charged, and spinless particle derives from the ...
De Raedt, H.   +3 more
core   +4 more sources

CLASSICAL RELATIVISTIC SPIN PARTICLES [PDF]

open access: yesCondensed Matter Physics, 1998
Relativistic spin particles are approached from the stand point of Hamiltonian actions of Poincare group on itself. The several possible solutions are classified and realizations are given in terms of Dirac???s constraints formalism.
openaire   +2 more sources

Obtaining the non-relativistic quantum mechanics from quantum field theory: issues, folklores and facts

open access: yesEuropean Physical Journal C: Particles and Fields, 2018
Given the classical dynamics of a non-relativistic particle in terms of a Hamiltonian or an action, it is relatively straightforward to obtain the non-relativistic quantum mechanics (NRQM) of the system.
T. Padmanabhan
doaj   +1 more source

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