Results 121 to 130 of about 46,248 (301)
Metal–organic frameworks with perovskite‐like structures show promising temperature‐dependent luminescence for thermometry. Our study explores [DMA]MII1‐xCrx(HCOO)3 compounds, revealing their potential for remote and time‐resolved temperature sensing.
Adam Kabański+3 more
wiley +1 more source
Spin foam model for Lorentzian general relativity [PDF]
Alejandro Pérez, Carlo Rovelli
openalex +1 more source
Recent Advances in Variable‐Stiffness Robotic Systems Enabled by Phase‐Change Materials
Phase‐change materials (PCMs), such as shape memory alloys, hydrogels, shape memory polymers, liquid crystal elastomers, and low‐melting‐point alloys, are driving advancements in stiffness‐tunable robotic systems across a wide range of applications. This review highlights recent progress in PCM‐enabled robotics, focusing on their underlying mechanisms,
Sukrit Gaira+5 more
wiley +1 more source
The purpose of this short note is to clarify the Group Field Theory vertex and propagators corresponding to the EPRL/FK spin foam models and to detail the subtraction of leading divergences of the model.Comment: 20 pages, 2 ...
Ben Geloun J.+11 more
core +2 more sources
(3+1)-dimensional spin foam model of quantum gravity with spacelike and timelike components [PDF]
Alejandro Pérez, Carlo Rovelli
openalex +1 more source
LQG propagator from the new spin foams
28 ...
Claudio Perini+4 more
openaire +4 more sources
Liquid Metal Sensors for Soft Robots
This review thoroughly reviews liquid metal sensors in soft robots. Their unique material properties like high conductivity and good biocompatibility are analyzed. Working principles are classified, and applications in environmental perception, motion detection, and human—robot interaction are introduced.
Qi Zhang+7 more
wiley +1 more source
Group field theory and simplicial gravity path integrals: A model for Holst-Plebanski gravity
In a recent work, a dual formulation of group field theories as non-commutative quantum field theories has been proposed, providing an exact duality between spin foam models and non-commutative simplicial path integrals for constrained BF theories.
Aristide Baratin+7 more
core +2 more sources
The dual of pure non-Abelian lattice gauge theory as a spin foam model [PDF]
Robert Oeckl, Hendryk Pfeiffer
openalex +1 more source
Multi‐Material Additive Manufacturing of Soft Robotic Systems: A Comprehensive Review
This review explores the transformative role of multi‐material additive manufacturing (MMAM) in the development of soft robotic systems. It presents current techniques, materials, and design strategies that enable functionally graded and adaptive structures.
Ritik Raj+2 more
wiley +1 more source