Results 1 to 10 of about 685,010 (143)

A method for getting a finite $\alpha$ in the IR region from an all-order beta function

open access: yes, 2017
The analytical method of QCD running coupling constant is extended to a model with an all-order beta function which is inspired by the famous Novikov-Shifman-Vai\-n\-s\-htein-Zakharov beta function of N=1 supersymmetric gau\-g\-e theories.
Zheng, Zhi-Yuan, Zhou, Gao-Liang
core   +1 more source

On Extended Beta Function and Related Inequalities

open access: yesMathematics
In this article, we consider a unified generalized version of extended Euler’s Beta function’s integral form a involving Macdonald function in the kernel. Moreover, we establish functional upper and lower bounds for this extended Beta function. Here, we consider the most general case of the four-parameter Macdonald function Kν+12pt−λ+q(1−t)−μ when λ≠μ ...
Rakesh K. Parmar   +2 more
openaire   +3 more sources

Relating Physical Observables in QCD without Scale-Scheme Ambiguity

open access: yes, 1992
We discuss the St\"uckelberg-Peterman extended renormalization group equations in perturbative QCD, which express the invariance of physical observables under renormalization-scale and scheme-parameter transformations.
A. Dhar   +37 more
core   +2 more sources

The Partition Function of Multicomponent Log-Gases

open access: yes, 2011
We give an expression for the partition function of a one-dimensional log-gas comprised of particles of (possibly) different integer charge at inverse temperature {\beta} = 1 (restricted to the line in the presence of a neutralizing field) in terms of ...
Berezin F A   +17 more
core   +1 more source

Nicotinamide riboside functions during development while beta-hydroxybutyrate functions during adulthood to extend C. elegans lifespan

open access: yesmicroPublication biology, 2023
Nicotinamide riboside (NR), a form of vitamin B3 and a nicotinamide adenine dinucleotide (NAD+) precursor, has been shown to activate the mitochondrial unfolded protein response (UPRmt) and extend the lifespan when supplemented to C. elegans. The ketone body and histone deacetylase (HDAC) inhibitor beta-hydroxybutyrate (BHB) has also been shown to ...
Peters, J. Dylan   +2 more
openaire   +2 more sources

Extended Riemann-Liouville fractional derivative operator and its applications [PDF]

open access: yes, 2015
Many authors have introduced and investigated certain extended fractional derivative operators. The main object of this paper is to give an extension of the Riemann-Liouville fractional derivative operator with the extended Beta function given by ...
Agarwal, Praveen   +2 more
core   +1 more source

Power law Kohn anomalies and the excitonic transition in graphene

open access: yes, 2012
Dirac electrons in graphene in the presence of Coulomb interactions of strength $\beta$ have been shown to display power law behavior with $\beta$ dependent exponents in certain correlation functions, which we call the mass susceptibilities of the system.
de Juan, Fernando, Fertig, Herbert A.
core   +1 more source

Generalized Extended Matrix Variate Beta and Gamma Functions and Their Applications [PDF]

open access: yesIngeniería y Ciencia, 2016
In this article, we define and study generalized forms of extended matrixvariate gamma and beta functions. By using a number of results from ma-trix algebra, special functions of matrix arguments and zonal polynomialswe derive a number of properties of these newly defined functions.
Daya K. Nagar   +2 more
openaire   +4 more sources

Inequalities of extended (p,q)-beta and confluent hypergeometric function

open access: yes, 2017
In this present paper, we establish the log-convexity and Tur n type inequalities of extended $(p,q)$-beta functions. Also, we present the log-convexity, the monotonicity and Tur n type inequalities for extended $(p,q)$-confluent hypergeometric function by using the inequalities of extended $(p,q)$-beta functions.
Mubeen, Shahid   +3 more
openaire   +3 more sources

Spread of wave packets in disordered hierarchical lattices

open access: yes, 2017
We consider the spreading of the wave packet in the generalized Rosenzweig-Porter random matrix ensemble in the region of non-ergodic extended states ...
Abchuyeh, Mohsen Amini
core   +1 more source

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