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Adaptive 4D‐Printed Vascular Stents With Low‐Temperature‐Activated and Intelligent Deployment
Advanced Functional Materials, EarlyView.Microarchitected coronary artery stents were fabricated using a polycaprolactone (PCL)‐based shape memory polymer (SMP) composite via projection micro‐stereolithography (PµSL) 4D printing. By incorporating diethyl phthalate (DEP) as a plasticizer, the thermal transition temperature (Ttran) was modulated to about 37°C, enabling rapid and autonomous ...
Yannan Li +12 more
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Advanced Functional Materials, EarlyView.Circular photogalvanic effect measurements and first‐principles calculations reveal spin‐splitting states in solution‐processed bournonite films (CuPbSbS3) due to structural and bulk inversion asymmetry. The results provide experimental confirmation of coexisting Rashba and Dresselhaus spin‐splitting states in this non‐centrosymmetric chalcogenide ...
Aeron McConnell +5 more
wiley +1 more source
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Group Theory and Crystal Field Theory
1961Publisher Summary The chapter describes crystal field theory that concerns with an attempt to calculate as much as possible about the behavior of solids on the basis of a known or assumed symmetry of the problem and with the simplifying assumption that the interaction between the ion or atom of interest and its nearest neighbors is electrostatic in ...
Charles M. Herzfeld, Paul H.E. Meijer
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Exotic Galileian group in field theory
Journal of Mathematical Sciences, 2006Using the properties of Seiberg-Witten map the author establishes an interpretation of the exotic Galileian group of families of non-relativistic field theories on a noncommutative plane. Also the description for the class of self-interaction theories is provided.
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The renormalisation group and effective field theories
Synthese, 1995Much apprehension has been expressed by philosophers about the method of renormalisation in quantum field theory, as it apparently requires illegitimate procedure of infinite cancellation. This has lead to various speculations, in particular in Teller (1989). We examine Teller's discussion of perturbative renormalisation of quantum fields, and show why
Huggett, Nick, Weingard, Robert
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Condensates in group field theory
2023As a theory of quantum gravity, in group field theory (GFT) the usual spacetime dissolves microscopically into discretized building blocks. A major challenge is to understand how the familiar laws of physics based on continuous spacetime can emerge from these fundamental, non-spatio-temporal elements.
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Group Contraction in Quantum Field Theory
International Journal of Theoretical Physics, 2007zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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quantum field theory as group algebra
Reports on Mathematical Physics, 1976Abstract A group theoretical approach to dynamical quantization in general, and quantum field theory in particular, is developed. This approach opens possibilities of new quantization schemes. Some of these schemes are discussed in detail. They offer certain advantages such as relaxation of the conventional principles of unitarity and causality on ...
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Chern-Simons field theory and quantum groups
2008We study the Gauss constraint of the Chern-Simons theory in presence of sources. We solve this constraint in terms of a matrix-valued gauge connection. The associated holonomies define a representation of the braid group, which commutes with the action of a quantum group.
GUADAGNINI, ENORE +2 more
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Bogoliubov group variables in relativistic field theory
Theoretical and Mathematical Physics, 1997zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Khrustalev, O. A., Chichikina, M. V.
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