Results 101 to 110 of about 1,952,544 (384)
Gravity in the quantum lab [PDF]
Advances in Physics: X, 2017 25 pages, 2 figures, based on an invited review for Advances in Physics: X, I. Fuentes previously published as I. Fuentes-Guridi and I.
Richard Howl +3 more
openaire +6 more sources
Advanced Functional Materials, EarlyView.This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva +9 more
wiley +1 more source
From the Fibonacci Icosagrid to E8 (Part II): The Composite Mapping of the Cores
CrystalsThis paper is part of a series that describes the Fibonacci icosagrid quasicrystal (FIG) and its relation to the E8 root lattice. The FIG was originally constructed to represent the intersection points of an icosahedrally symmetric collection of planar ...
Richard Clawson, Fang Fang, Klee Irwin
doaj +1 more source
Universe, 2023 Quantum cosmology aims to develop a quantum theory of the universe, attempting to answer open questions of physical cosmology, mainly related to the early epochs of the universe. Such a theory aims to unite relativity theory and quantum theory. Here, the
Shreya Banerjee
doaj +1 more source
Arrow of Causality and Quantum Gravity. [PDF]
Physical Review Letters, 2019 Causality in quantum field theory is defined by the vanishing of field commutators for spacelike separations. However, this does not imply a direction for causal effects.
J. Donoghue, G. Menezes
semanticscholar +1 more source
Effective entropy of quantum fields coupled with gravity [PDF]
Journal of High Energy Physics, 2020 Entanglement entropy, or von Neumann entropy, quantifies the amount of uncertainty of a quantum state. For quantum fields in curved space, entanglement entropy of the quantum field theory degrees of freedom is well-defined for a fixed background geometry.
Xi Dong +3 more
semanticscholar +1 more source
3D‐Printed Soft Magnetoactive Origami Actuators
Advanced Functional Materials, EarlyView.Soft magnetoactive films are 3D‐printed using ink with up to 75 wt.% ferromagnetic particles and dual UV/heat curing, then integrated with various origami structures. The films are flexible, magnetically responsive, and programmable, enabling flexible integration with origami without hindering shape‐changeability.
Sen Zhang +6 more
wiley +1 more source
Quantum Gravity on a Quantum Computer? [PDF]
Foundations of Physics, 2013 EPR-type measurements on spatially separated entangled spin qubits allow one, in principle, to detect curvature. Also the entanglement of the vacuum state is affected by curvature. Here, we ask if the curvature of spacetime can be expressed entirely in terms of the spatial entanglement structure of the vacuum.
Achim Kempf, Achim Kempf
openaire +5 more sources
Synthetic Aspects and Characterization Needs in MOF Chemistry – from Discovery to Applications
Advanced Materials, EarlyView.Overcoming the challenges of phase discovery, synthesis optimization and scale‐up, characterization, and computational studies is essential to accelerate the large‐scale application of MOFs. Life‐cycle analyses and techno‐economic analyses need to be performed to realistically assess their potential for industrial relevance.
Bastian Achenbach +4 more
wiley +1 more source
Weak-Light Phase-Locking Time Delay Interferometry with Optical Frequency Combs
Sensors, 2022 In the future space-borne gravitational wave (GW) detector, the optical transponder scheme, i.e., the phase-locking scheme, will be utilized so as to maintain the signal-to-noise ratio (SNR).
Mingyang Xu +6 more
doaj +1 more source