Results 101 to 110 of about 37,061 (263)
Boundary operators in 2D gravity
Physics Letters B, 1991 Abstract We study boundary operators (open string vertices) in two-dimensional gravity and identify them as redundant operators in the matrix model. In the ( p , q ) minimal model coupled to 2D gravity there is always one relevant boundary operator, which measures the Z 2 -odd or Z 2 -even boundary length depending on whether q is odd ...
E. Martinec, G. Moore, N. Seiberg
openaire +1 more source
Generative Models for Crystalline Materials
Advanced Materials, EarlyView.Generative machine learning models are increasingly used in crystalline materials design. This review outlines major generative approaches and assesses their strengths and limitations. It also examines how generative models can be adapted to practical applications, discusses key experimental considerations for evaluating generated structures, and ...
Houssam Metni +15 more
wiley +1 more source
An entropic puzzle in periodic dilaton gravity and DSSYK
Journal of High Energy PhysicsWe study 2d dilaton gravity theories with a periodic potential, with special emphasis on sine dilaton gravity, which is holographically dual to double-scaled SYK.
Andreas Blommaert +4 more
doaj +1 more source
Advanced Materials, EarlyView.An Aloe‐pinspired droplet electricity generator (A‐DEG) overcomes the limited energy collection zone of conventional DEGs by guiding impact droplets through a channeling midrib and artificial cuticle. The channeling midrib induces uni‐directional droplet spreading, while the artificial cuticle on the midrib further reinforces this behavior through its ...
Gibeom Lee +8 more
wiley +1 more source
BRST cohomology for 2D gravity
, 1995 The BRST cohomology group in the space of local functionals of the fields for the two-dimensional conformally invariant gravity is calculated. All classical local actions (ghost number equal to zero) and all candidate anomalies are given and discussed for our model.
Blaga, Paul A. +2 more
openaire +2 more sources
A 2D inspired 4D theory of gravity [PDF]
Physics Letters B, 1994 8 pages, UI-94-11 (minor typos corrected in eq 11 and eq 2)
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Advanced Materials, EarlyView.This work introduces an atomic‐level engineered bimetallic MOF Platform that resolves the inherent trade‐off between environmental stability and propulsion efficiency. By integrating robust Fe‐O bonds for hydrolysis resistance and enabling d‐orbital charge transfer (Fe3+→Cu2+) for enhanced photothermal conversion, the design achieves a highly durable ...
Senlin Rao +3 more
wiley +1 more source
The landscape of complexity measures in 2D gravity
Journal of High Energy PhysicsWe investigate the broad landscape of holographic complexity measures for theories dual to two-dimensional (2D) dilaton gravity. Previous studies have largely focused on the complexity=volume and complexity=action proposals for holographic complexity ...
Elena Cáceres +4 more
doaj +1 more source
Hydrogel‐Based 3D‐Printable Stretchable Pressure Sensor
Advanced Materials Technologies, EarlyView.We present a carbon‐black‐functionalized double‐network granular hydrogel (DNGH) pressure sensor capable of detecting pressures from 200 Pa, equivalent to a light finger touch, up to 500 kPa. The sensor exhibits signal drifts below 3.5% after 800 cycles and response times around 80 ms. Leveraging this broad sensing range, we 3D print this material into
Tianyu Yuan +4 more
wiley +1 more source
Advanced Materials Technologies, EarlyView.This critical review presents a comprehensive roadmap for the precision 3D printing of cellulose. Quantitative correlations link ink formulation and rheological properties to print fidelity and final material performance. This framework guides the development of advanced functional materials, from biomedical scaffolds to electromagnetic shielding ...
Majed Amini +3 more
wiley +1 more source