Results 121 to 130 of about 5,789 (259)

The cosmological impact of Brane-Chern-Simons massive gravity

Journal of High Energy Physics
In this paper, we present a novel extension of massive gravity theory; the Brane-Chern-Simons massive gravity theory. We explore the cosmological implications of this theory by deriving the background equations and demonstrating the existence of self ...
S. Kazempour, A. R. Akbarieh
doaj   +1 more source

Early universe in quantum gravity

Journal of High Energy Physics
We present a new picture of the early universe in finite nonlocal quantum gravity, which is Weyl invariant at the classical and quantum levels. The high-energy regime of the theory consists of two phases, a Weyl invariant trans-Planckian phase and a post-
Leonardo Modesto, Gianluca Calcagni
doaj   +1 more source

The ORCA‐TWIN qCMOS Experiment I. Science Case and Commissioning at Calar Alto Observatory

Astronomische Nachrichten, EarlyView.
ABSTRACT We describe a pilot study to explore a new generation of fast and low noise CMOS image sensors for time domain astronomy, using two remote telescopes with a baseline of 1635 km. The experiment involves direct imaging with novel qCMOS image sensor technology that combines fast readout with sub‐electron readout noise.
Martin M. Roth, Paško Roje, Stella Vješnica, Stefan Cikota, Alex J. Brown, Mike Kretlow, Marco Azzaro, Santiago Reinhart, Jesús Aceituno, Harry Dawson, Carsten Denker, Torsten Enßlin, Stephan Geier, Thomas Granzer, Thomas Kupfer, Gianluca Li Causi, Samaya Nissanke, José Luis Ortiz, Fernando Pedichini, Katja Poppenhäger, Axel Schwope   +20 more
wiley   +1 more source

Intelligent Manufacturing, Industrial Agglomeration, and Green and Low‐Carbon Development: A Nonlinear Path Test Based on the Theory of Ecological Modernization

Business Strategy and the Environment, EarlyView.
ABSTRACT Drawing upon ecological modernization theory as the analytical framework, this study employs macro‐level longitudinal tracking data covering China's major regions as research samples. It measures the green and low‐carbon development (GLCD) of manufacturing from the four dimensions—“carbon reduction, pollution mitigation, ecological expansion ...
Deng Wang, Xin Hua, Chante Jian Ding, Abdullahi D. Ahmed, Yue Liu   +4 more
wiley   +1 more source

Bounding field excursions along null geodesics with applications to cosmology

Journal of High Energy Physics
Scalar fields in theories of gravity often inhabit a moduli space of vacua, and coherent spatial or temporal variations in their expectation values can produce measurable gravitational effects.
Aidan Herderschee, Aron C. Wall
doaj   +1 more source

Multidimensional Sustainability Performance Measurement in the Banking Industry: A Data‐Driven Grey Decision‐Support Framework

Business Strategy and the Environment, EarlyView.
ABSTRACT Given the critical role that banks play in sustainable development through their financial intermediation and capital allocation functions, assessing their sustainability performance has become an increasingly important research issue.
Özcan Işık, Mohsin Shabir, Alparslan Oğuz, Okan Alkan   +3 more
wiley   +1 more source

The recipe for the degrees of freedom.

Journal of High Energy Physics
We consider the question of counting the degrees of freedom in theoretical models, with an emphasis on theories of fields and gravity. Among the possible approaches, the Hamiltonian formulation remains one of the most systematic and robust tools. However,
Anamaria Hell, Elisa G. M. Ferreira, Dieter Lüst, Misao Sasaki   +3 more
doaj   +1 more source

A Bio‐Based Chiroptical Overcrowded Alkene From Flavanone: Photoreactivity and Theoretical Investigation

Chemistry – A European Journal, EarlyView.
A sustainable route to photoresponsive molecular systems is achieved using the bio‐based flavanone (‐)‐isolonchocarpin from Tephrosia vogelii. Through McMurry homocoupling and light‐driven 6‐π‐electrocyclization, an overcrowded alkene and a fluorescent O‐heterocyclic phenanthrene are synthesized.
Deryl H. Limawan, Adrien Combe, Anthony Bongso, Bayu Dwiputra, Atthar L. Ivansyah, Roza R. Weber, Charlotte N. Stindt, Robby Roswanda, Ben L. Feringa   +8 more
wiley   +1 more source

Strict renormalizability as a paradigm for fundamental physics

Journal of High Energy Physics
An important theoretical achievement of the last century was the realization that strict renormalizability can be a powerful criterion to select Lagrangians in the framework of perturbative quantum field theory.
Luca Buoninfante
doaj   +1 more source

Few‐Photon Fluorescence From Ultracold Bosons in an Optical Cavity

Contributions to Plasma Physics, EarlyView.
ABSTRACT Within a cavity quantum electrodynamics framework, we analyse the fluorescent spectrum of ultracold bosons in resonant and second‐harmonic generation (SHG) regimes. Two settings are considered: (i) (few) bosons in an optical lattice and (ii) a trapped two‐component dilute Bose–Einstein condensate (2BEC) within the Bogoliubov scheme.
Megha Gopalakrishna, Emil Viñas Boström, Claudio Verdozzi   +2 more
wiley   +1 more source