Zobrazeno 1 - 10
of 18 706
pro vyhledávání: '"Hamiltonian formalism"'
String field theories exhibit exponential suppression of interactions among component fields at high energies due to infinite-derivative factors such as $e^{\ell^2 \Box / 2}$ in their vertices. This nonlocality has hindered the development of a consi
Externí odkaz:
http://arxiv.org/abs/2412.02577
Autor:
Markov, Yu. A., Markova, M. A.
It is shown that the Hamiltonian formalism proposed previously in [1] to describe the nonlinear dynamics of only {\it soft} fermionic and bosonic excitations contains much more information than initially assumed. In this paper, we have demonstrated i
Externí odkaz:
http://arxiv.org/abs/2412.05581
Autor:
Quijón, Guadalupe, Capriotti, Santiago
The present article introduces a generalization of the Hamiltonian field theory for a Lagrangian density, allowing the formulation of this kind of field theories for variational problem of more general nature than those associated to a classical vari
Externí odkaz:
http://arxiv.org/abs/2407.03991
Autor:
Belbas, S. A.
We formulate nonlinear nonlocal integro-PDE with memory, biloaded (boundary integrals load the ambient space, and the ambient space loads the boundary), and the associated optimal control problems. We derive part of the necessary conditions for optim
Externí odkaz:
http://arxiv.org/abs/2406.00248
Autor:
Dunajski, Maciej, author
Publikováno v:
Solitons, Instantons, and Twistors, 2024.
Externí odkaz:
https://doi.org/10.1093/oso/9780198872535.003.0003
Akademický článek
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Autor:
Papaphilippou, Yannis
The goal of this contribution is to introduce the Hamiltonian formalism of theoretical mechanics for analysing motion in generic linear and non-linear dynamical systems, including particle accelerators. This framework allows the derivation and integr
Externí odkaz:
http://arxiv.org/abs/2402.16474
Akademický článek
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Vibronic coupling has a dramatic influence over a large number of molecular processes, ranging from photo-chemistry, to spin relaxation and electronic transport. The simulation of vibronic coupling with multi-reference wavefunction methods has been l
Externí odkaz:
http://arxiv.org/abs/2310.04278
Cosmological perturbation theory is an example of a gauge theory, where gauge transformations correspond to changes in the space-time coordinate system. To determine physical quantities, one is free to introduce gauge conditions (i.e. to work with sp
Externí odkaz:
http://arxiv.org/abs/2309.17184