Results 161 to 170 of about 2,347,924 (407)
Quantum Gravity at a Lifshitz Point [PDF]
, 2009 We present a candidate quantum field theory of gravity with dynamical critical exponent equal to $z=3$ in the UV. (As in condensed-matter systems, $z$ measures the degree of anisotropy between space and time.) This theory, which at short distances ...
Petr Hořava
semanticscholar +1 more source
Advanced Theory and Simulations, EarlyView.This study analyses the electronic structure of five‐electron spherical quantum dots with penetrable confinement potential. Spatial confinement and the influence of potential barrier height give rise to the unique properties of quantum dots. These effects lead to profound changes in their energy spectra and optical properties which play a key role in ...
Yusuf Yakar, Bekir Çakır, Ayhan Özmen
wiley +1 more source
Universe, 2020 In this work, we study the impact of quantum entanglement on the two-point correlation function and the associated primordial power spectrum of mean square vacuum fluctuation in a bipartite quantum field theoretic system.
Sayantan Choudhury, Sudhakar Panda
doaj +1 more source
Kant and Quantum Gravity [PDF]
arXiv, 2016 In quantum gravity space and time lose their status as fundamental parts of the physical reality. However, according to Kant, space and time are the a priori conditions of our experience. Does Kantian characterization of these notions give constraints to quantum gravity, or does quantum gravity make Kantian characterization of space and time an invalid
arxiv
Recent Advancements in Lung Cancer Metastasis Prevention Based on Nanostrategies
Advanced Science, EarlyView.Metastasis is the leading cause of death in patients with lung cancer. Nanomedicine can be used to prepare efficient drug delivery systems owing to their advantages and plays an important role in the synergistic antimetastasis of lung cancer. This comprehensive review summarizes the emerging nanostrategies against lung cancer metastasis based on the ...
Fan Xu +7 more
wiley +1 more source
Strings, loops and others: a critical survey of the present approaches to quantum gravity [PDF]
arXiv, 1998 I review the present theoretical attempts to understand the quantum properties of spacetime. In particular, I illustrate the main achievements and the main difficulties in: string theory, loop quantum gravity, discrete quantum gravity (Regge calculus, dynamical triangulations and simplicial models), Euclidean quantum gravity, perturbative quantum ...
arxiv
The Rise of Chalcohalide Solar Cells: Comprehensive Insights From Materials to Devices
Advanced Science, EarlyView.This review provides a detailed overview of recent advancements in chalcohalide solar cells, focusing on structure design, material chemistry, synthesis methods, and device optimization. It also highlights future directions for improving device efficiency through innovative device architectures and synthesis techniques, addressing key challenges in ...
Hongrui Zhang +7 more
wiley +1 more source
European Physical Journal C: Particles and Fields, 2017 Applying the anholonomic frame deformation method, we construct various classes of cosmological solutions for effective Einstein–Yang–Mills–Higgs, and two measure theories.
Subhash Rajpoot, Sergiu I. Vacaru
doaj +1 more source
From Classical To Quantum Gravity: Introduction to Loop Quantum Gravity
, 2013 We present an introduction to the canonical quantization of gravity performed in loop quantum gravity, based on lectures held at the 3rd quantum geometry and quantum gravity school in Zakopane in 2011.
Giesel, Kristina, Sahlmann, Hanno
core
Super-Planckian spatial field variations and quantum gravity [PDF]
, 2016 A bstractWe study scenarios where a scalar field has a spatially varying vacuum expectation value such that the total field variation is super-Planckian.
Daniel Klaewer, Eran Palti
semanticscholar +1 more source