Results 321 to 330 of about 1,787,213 (363)

A Hybrid Approach to Model Reduction of Generalized Langevin Dynamics. [PDF]

J Stat Phys
Colangeli M, Duong MH, Muntean A.
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Exceptional nexus with a hybrid topological invariant

Science, 2020
When all routes are exceptional The exploration of non-Hermitian physics and parity-time symmetry have provided a route to develop a wealth of exotic physical effects.
Weiyuan Tang, Xue Jiang, Xue Jiang, K. Ding, K. Ding, Yi-Xin Xiao, Yi-Xin Xiao, Zhao-qing Zhang, C. T. Chan, Guancong Ma   +9 more
semanticscholar   +1 more source

Conformal Invariance in Physics

Reviews of Modern Physics, 1962
The conformal covariance of certain basic equations of modern physics is shown. This covariance is valid generally only when the requirement of constant rest masses is relaxed. It is necessary that all rest masses transform in a conformally covariant way. (L.T.W.)
F. Rohrlich, L. Witten, T. Fulton
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Fitting potential energy surfaces with fundamental invariant neural network. II. Generating fundamental invariants for molecular systems with up to ten atoms.

Journal of Chemical Physics, 2020
Symmetry adaptation is crucial in representing a permutationally invariant potential energy surface (PES). Due to the rapid increase in computational time with respect to the molecular size, as well as the reliance on the algebra software, the previous ...
Rongjun Chen, Kejie Shao, Bina Fu, Dong H. Zhang   +3 more
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Physical invariants of biosignatures

Physics Letters A, 1999
Abstract Biosignature is one of the most important evidences of life available to researchers. However, many complex physical and chemical phenomena can mimic prints of life so closely that special methods are required to make the distinction. In addition to that, life, in principle, can be composed of components which are fundamentally different ...
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Invariance in elementary particle physics

Reports on Progress in Physics, 1959
An account, as non-technical as possible, is given of the invariance properties that have important applications in elementary particle physics. These can be classified in several ways. Firstly some are related to continuous groups (rotations), others to discrete groups (inversions).
J C Polkinghorne, D L Pursey, N Kemmer
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Invariance in Physical Theory

1995
The world is very complicated and it is clearly impossible for the human mind to understand it completely. Man has therefore devised an artifice which permits the complicated nature of the world to be blamed on something which is called accidental and thus permits him to abstract a domain in which simple laws can be found.
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The physical origin of gauge invariance in electrodynamics [PDF]

Electrical Engineering, 1999
The physical origin of gauge invariance in Maxwell's theory is rooted in quantum physics and thus not approachable from classical electrodynamics. In order to bridge this gap we provide a fundamental description of gauge invariance in electrodynamics which puts together the physical ideas behind the modern understanding of gauge theories.
Jürgen Nitsch, Frank Gronwald
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Conformal Invariance in Physics

1976
In the last decade mathematical physicists have been especially interested by the group of conformal transformations of space-time — the so-called conformal group. What are the main physical reasons for the increasing interest in such an old subject [1]?
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