Results 51 to 60 of about 353 (152)
A GENERAL FORMULATION OF THE MOYAL AND VOROS PRODUCTS AND ITS PHYSICAL INTERPRETATION [PDF]
Modern Physics Letters A, 2012 A unifying perspective on the Moyal and Voros products and their physical meanings has been recently presented in the literature, where the Voros formulation admits a consistent physical interpretation. We define a star product ⋆, in terms of an antisymmetric fixed matrix Θ, and an arbitrary symmetric matrix Φ, that is a generalization of the Moyal ...
Gouba, Laure +2 more
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Quantum Navier–Stokes equations for electrons in graphene
ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, Volume 105, Issue 2, February 2025.Abstract The Chapman–Enskog method, in combination with the quantum maximum entropy principle (QMEP), is applied to the Wigner equation in order to obtain quantum Navier–Stokes equations for electrons in graphene in the isothermal case. The derivation is based on the quantum version of the maximum entropy principle and follows the lines of Ringhofer ...
Luigi Barletti +2 more
wiley +1 more source
Twisted convolution and Moyal star product of generalized functions [PDF]
Theoretical and Mathematical Physics, 2012 We consider nuclear function spaces on which the Weyl-Heisenberg group acts continuously and study the basic properties of the twisted convolution product of the functions with the dual space elements. The final theorem characterizes the corresponding algebra of convolution multipliers and shows that it contains all sufficiently rapidly decreasing ...
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Decoupling for Schatten class operators in the setting of quantum harmonic analysis
Bulletin of the London Mathematical Society, Volume 57, Issue 1, Page 23-37, January 2025.Abstract We introduce the notion of decoupling for operators, and prove an equivalence between classical ℓqLp$\ell ^qL^p$ decoupling for functions and ℓqSp$\ell ^q{\mathcal {S}}^p$ decoupling for operators on bounded sets in R2d${\mathbb {R}}^{2d}$. We also show that the equivalence depends only on the bounded set Ω$\Omega$ and not on the values of p,q$
Helge J. Samuelsen
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European Journal of Cancer Care, Volume 2025, Issue 1, 2025.Extracellular vesicles (EVs) and their molecular content are known as deterministic messengers between tumor‐stromal cells involved in cancer development, including hematologic malignancies. Particularly, EVs and exosomes enriched in miRNAs are believed to mediate a wide range of behavioral changes in tumors cells.
Ali Bazi +9 more
wiley +1 more source
Fortschritte der Physik, Volume 72, Issue 9-10, October 2024.Abstract In the present work, an extended description of the covariant noncommutative space is presented, which accommodates the Fuzzy Gravity model constructed previously. It is based on the historical lesson that the use of larger algebras containing all generators of the isometry of the continuous one helped in formulating a fuzzy covariant ...
Danai Roumelioti +2 more
wiley +1 more source
Symbolic Interaction, Volume 47, Issue 3, Page 410-432, August 2024.This article examines how police officers generate momentum and create opportunities for gaining control in—what they perceive as—potentially violent interactions. Theoretically, the article aims to add to interactionist sociology by illuminating the mechanisms through which participants anticipate and create shared meanings of future possibilities for
Laura D. Keesman
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Cylindrically Symmetric Diffusion Model for Relativistic Heavy‐Ion Collisions
Annalen der Physik, Volume 536, Issue 5, May 2024.To account for particle production in relativistic heavy‐ion collisions at the Large Hadron Collider, a relativistic diffusion model with cylindrical symmetry is derived from nonequilibrium–statistical considerations. It propagates an initial state based on quantum chromodynamics in time toward a thermal equilibrium limit.
Johannes Hoelck, Georg Wolschin
wiley +1 more source
Moyal-Weyl star product and quasiconformal mapping relationship
Journal of Physics: Conference Series, 2008 The deformation quantization procedure can introduce the quantum effect by including the deformation of complex structures on a bi-dimensional Riemann surface Σ without boundary. This is the platform of bi-dimensional conformal models like string theory and two-dimensional gravity.
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Moyal-Weyl Star-products as Quasiconformal Mappings
, 2006 The relation between the Moyal-Weyl deformation quantization and quasiconformal mappings of Riemann surfaces of complex analysis are shown by several examples.
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