Results 21 to 30 of about 12,728 (301)

Necessity of Integral Formalism [PDF]

open access: yesCommunications in Theoretical Physics, 2011
13Page; Schrodinger differential equation shall lead to vanishing Berry ...
openaire   +2 more sources

Projective Metrizability and Formal Integrability [PDF]

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2011
The projective metrizability problem can be formulated as follows: under what conditions the geodesics of a given spray coincide with the geodesics of some Finsler space, as oriented curves. In Theorem 3.8 we reformulate the projective metrizability problem for a spray in terms of a first-order partial differential operator $P_1$ and a set of algebraic
Bucataru, I., Muzsnay, Z.
openaire   +4 more sources

A new picture of quantum tunneling in the real-time path integral from Lefschetz thimble calculations

open access: yesJournal of High Energy Physics, 2023
It is well known that quantum tunneling can be described by instantons in the imaginary-time path integral formalism. However, its description in the real-time path integral formalism has been elusive. Here we establish a statement that quantum tunneling
Jun Nishimura   +2 more
doaj   +1 more source

Origin of anomalies in the path-integral formalism [PDF]

open access: yes, 1989
We show that, in the path-integral formalism, anomalies can arise from the discrepancy between classical field equations and quantum field equations. With a suitable regularization for the functional derivative, this discrepancy leads to an expression ...
Tsutsui, Izumi, Izumi Tsutsui
core   +1 more source

Factor equivalence of Galois modules and regulator constants [PDF]

open access: yes, 2013
We compare two approaches to the study of Galois module structures: on the one hand, factor equivalence, a technique that has been used by Fröhlich and others to investigate the Galois module structure of rings of integers of number fields and of their ...
Bartel, Alex, Alex Bartel
core   +1 more source

Smarr integral formula of D-dimensional stationary spacetimes in Einstein-æther–Maxwell theory

open access: yesPhysics Letters B, 2018
Using the Wald formalism, we investigate the thermodynamics of charged black holes in D-dimensional stationary spacetimes with or without rotations in Einstein-æther–Maxwell theory.
Fei-hung Ho   +3 more
doaj   +1 more source

Integrating formal description techniques [PDF]

open access: yes, 1999
Using graphical description techniques for formal system development has become a common approach in many tools. Often multiple description techniques are used to represent different views of the same system, only together forming a complete specification.
Bernhard Schätz, Franz Huber
openaire   +1 more source

RADON DENSITY PROFILES IN ALVEOLAR PORES: AN INTEGRAL EQUATION FORMALISM APPLICATION

open access: yesAnales (Asociación Física Argentina), 2023
In this work, we obtained density profiles of Radon particles near the alveolar wall surface by the development of a theoretical model that describes the interaction between such particles and the alveolar wall cells.
J. C. Corona-Oran   +2 more
doaj   +1 more source

Deriving the path integral from the operator formalism [PDF]

open access: yes, 1990
The path integral is derived from the operator formalism with a little more caution than usual.
A. Y. Shiekh
core   +1 more source

Coarse-grained second-order response theory

open access: yesPhysical Review Research, 2020
While linear response theory, manifested by the fluctuation dissipation theorem, can be applied at any level of coarse-graining, nonlinear response theory is fundamentally of a microscopic nature.
Fenna Müller   +3 more
doaj   +1 more source

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