Results 81 to 90 of about 5,657,828 (286)

critical point [PDF]

open access: yes, 2014
Citation: 'critical point' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.C01396 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
openaire   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Infinitely many periodic solutions of nonlinear wave equations on $S^n$

open access: yesElectronic Journal of Differential Equations, 2009
The existence of time periodic solutions of nonlinear wave equations $$ u_{tt} - Delta_n u + ig(frac{n-1}{2}ig)^2u= g(u) - f(t, x) $$ on $n$-dimensional spheres is considered. The corresponding functional of the equation is studied by the convexity
Jintae Kim
doaj  

Supergravity Instabilities of Non-Supersymmetric Quantum Critical Points

open access: yes, 2010
Motivated by the recent use of certain consistent truncations of M-theory to study condensed matter physics using holographic techniques, we study the SU(3)-invariant sector of four-dimensional, N=8 gauged supergravity and compute the complete scalar ...
Aharony O   +18 more
core   +1 more source

Organoids in pediatric cancer research

open access: yesFEBS Letters, EarlyView.
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley   +1 more source

Intrinsic and emergent anomalies at deconfined critical points

open access: yes, 2017
It is well known that theorems of Lieb-Schultz-Mattis type prohibit the existence of a trivial symmetric gapped ground state in certain systems possessing a combination of internal and lattice symmetries.
Metlitski, Max A., Thorngren, Ryan
core   +1 more source

Reciprocal control of viral infection and phosphoinositide dynamics

open access: yesFEBS Letters, EarlyView.
Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley   +1 more source

Solitary waves for the coupled nonlinear Klein-Gordon and Born-Infeld type equations

open access: yesElectronic Journal of Differential Equations, 2012
In this article we study the existence of solutions for a nonlinear Klein-Gordon-Maxwell equation coupled with a Born-Infeld equation.
Feizhi Wang
doaj  

Norming points and critical points

open access: yesJournal of Mathematical Analysis and Applications, 2017
The authors introduce a concept of differentiation for functions defined on the unit sphere of a Banach space which allows them to prove, for Banach spaces with \(C^p\) norm, that a linear functional is norm-attaining if and only if it has a critical point on the unit sphere under this new concept of differentiation.
Dong Hoon Cho, Yun Sung Choi
openaire   +2 more sources

Non-zero temperature transport near quantum critical points

open access: yes, 1997
We describe the nature of charge transport at non-zero temperatures ($T$) above the two-dimensional ($d$) superfluid-insulator quantum critical point. We argue that the transport is characterized by inelastic collisions among thermally excited carriers ...
A. J. Rimberg   +85 more
core   +3 more sources

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