Results 91 to 100 of about 61,982,689 (238)

Quantum Mechanics in de Sitter Space [PDF]

open access: yesInternational Journal of Theoretical Physics, 2011
7 pages, LaTeX. Version published on Int. J.
Ghosh S, MIGNEMI, SALVATORE
openaire   +3 more sources

Spacelike submanifolds in de Sitter space

open access: yes, 2010
We investigate the differential geometry of spacelike submanifolds of codimension at least two in de Sitter space as an application of the theory of Legendrian singularities.
Masaki Kasedou
core   +1 more source

Spacelike submanifolds in de Sitter space [PDF]

open access: yes, 2009
We investigate the differential geometry of spacelike submanifolds of codimension at\ud least two in de Sitter space as an application of the theory of Legendrian singularities.\ud We also discuss related geometric property of spacelike hypersurfaces in ...
Kasedou, Masaki, Masaki Kasedou
core   +1 more source

Magnetic charged particles of optical spherical antiferromagnetic model with fractional system

open access: yesOpen Physics, 2021
In this article, we first consider approach of optical spherical magnetic antiferromagnetic model for spherical magnetic flows of ϒ\Upsilon -magnetic particle with spherical de-Sitter frame in the de-Sitter space S12{{\mathbb{S}}}_{1}^{2}.
Yao Shao-Wen   +5 more
doaj   +1 more source

RNA‐related functions of BRCA2 in transcription, replication, and genome stability

open access: yesFEBS Letters, EarlyView.
Beyond its role in homologous recombination, BRCA2 regulates R‐loop homeostasis, DNA–RNA hybrid resolution, RNA polymerase II dynamics, and transcriptional activation. Disruption of any of these functions can contribute to genome instability, inflammatory signaling, and tumorigenesis. BRCA2 is a central tumor suppressor protein best known for its roles
Lucia Alvaro‐Aranda   +2 more
wiley   +1 more source

Graviton propagator in de Sitter space [PDF]

open access: yesPhysical Review D, 1986
We consider the graviton propagator in a de Sitter background. The propagator depends upon the choice of a gauge-fixing term ${L}_{\mathrm{gauge}=1/2{F}^{2}}$, and we consider the ``\ensuremath{\epsilon} gauges'' with ${F}^{v}$=${\ensuremath{\nabla}}_{u}$(${h}^{\mathrm{uv}}$-\ensuremath{\epsilon}${g}^{\mathrm{uv}}$${h}^{\ensuremath{\sigma}}$${}_ ...
openaire   +3 more sources

Thermal equilibrium in de Sitter space [PDF]

open access: yesPhysical Review D, 1989
Thermal-equilibrium quantum states are constructed for free scalar fields in (%+1)-dimensional de Sitter space. The states are described by density matrices of "thermal" form, satisfying the von Neumann equation associated with the appropriate functional Schrodinger equation.
Ruiz Ruiz, Fernando, Redmount, Ian H.
openaire   +3 more sources

Extending AdS/CFT: dual states for new geometries [PDF]

open access: yes, 2006
In this thesis we present research that extends our knowledge of the AdS/CFT correspondence; in particular we look at various non-supersymmetric Spacetimes and their conjectured dual field theory states.
Titchener, Georgina
core  

Infinitesimal generators and quantum operators in de Sitter space

open access: yesEuropean Physical Journal C: Particles and Fields
The 1 + 3-de Sitter space, as a solution of Einstein’s equations, provides a framework for investigating various physical concepts, including quantum mechanics.
A. Rabeie
doaj   +1 more source

Artificial molecular machines and motors—Design and control of nanoscale motion

open access: yesFEBS Letters, EarlyView.
Molecules are constantly moving because of thermal fluctuations, but random motion alone cannot be exploited to perform directional tasks. Artificial molecular machines use chemical, electrical, or light energy to bias this motion. Molecular shuttles, rotary motors, and supramolecular pumps illustrate how nanoscale movement can be controlled and ...
Leonardo Andreoni, Alberto Credi
wiley   +1 more source

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