Results 21 to 30 of about 2,978 (222)

Orientation Engineering of MXene Flakes. [PDF]

Adv Mater
Orientation engineering of MXene flakes refers to the transformation of disordered MXene flakes into ordered architectures with optimized multiphysical transport properties. Focusing on this topic, this review outlines key principles, characterization, fabrication strategies, and advanced applications of oriented MXene structures.
Wang Y, Li S, Guo T, Zhu D, Chu N, Albar N, Alsulaiman D, Alshareef HN.   +7 more
europepmc   +2 more sources

Constraints on supergravity chaotic inflationary models [PDF]

Physics Letters B, 1995
We discuss, in the context of N=1 hidden sector supergravity models, constraints on the parameters of a polynomial superpotential, resulting from existing bounds on the reheating temperature and on the amplitude of the primordial energy density ...
O. Bertolami, Bertolami, O, Bento, M C, M.C. Bento   +3 more
core   +3 more sources

Testing primordial black holes as dark matter in supergravity from gravitational waves

Physics Letters B, 2021
We explore the Gravitational Waves (GW) phenomenology of a simple class of supergravity models that can explain and unify inflation and Primordial Black Holes (PBH) as Dark Matter (DM).
Yermek Aldabergenov, Andrea Addazi, Sergei V. Ketov   +2 more
doaj   +1 more source

Quintessence models in supergravity [PDF]

Physical Review D, 2000
Scalar field models of quintessence typically require that the expectation value of the field today is of order the Planck mass, if we want them to explain the observed acceleration of the Universe. This suggests that we should be considering models in the context of supergravity.
Copeland, E. J., Nunes, N. J., Rosati, F.   +2 more
openaire   +2 more sources

Component actions of liberated N $$ \mathcal{N} $$ = 1 supergravity and new Fayet-Iliopoulos terms in superconformal tensor calculus

Journal of High Energy Physics, 2021
We explicitly compute the component action of certain recently discovered new N $$ \mathcal{N} $$ = 1 supergravity actions which enlarge the space of scalar potentials allowed by supersymmetry and also contain fermionic interaction terms that become ...
Hun Jang, Massimo Porrati
doaj   +1 more source

ON QUANTUM MODEL OF SUPERGRAVITY COMPENSATOR [PDF]

Modern Physics Letters A, 1996
A new N=1 superfield model in D=4 flat superspace is suggested. This model describes dynamics of chiral compensator and can be treated as a low-energy limit of D=4, N=1 quantum superfield supergravity. Renormalization structure of this model is studied and one-loop counterterms are calculated. It is shown that the theory is infrared-free. An effective
Buchbinder, I. L., Petrov, A. Yu.
openaire   +2 more sources

Weyl covariance, and proposals for superconformal prepotentials in 10D superspaces

Journal of High Energy Physics, 2021
Proposals are made to describe the Weyl scaling transformation laws of supercovariant derivatives ∇ A , the torsion supertensors T AB C , and curvature supertensors R ABc d in 10D superspaces. Starting from the proposal that an unconstrained supergravity
S. James Gates, Yangrui Hu, S.-N. Hazel Mak   +2 more
doaj   +1 more source

Axino mass in supergravity models [PDF]

Physics Letters B, 1995
Latex, 12 pages, no ...
Chun, E. J., Lukas, A.
openaire   +2 more sources

Supergravities and branes from Hilbert-Poincaré series

Journal of High Energy Physics, 2023
The Molien-Weyl integral formula and the Hilbert-Poincaré series have proven to be powerful mathematical tools in relation to gauge theories, allowing to count the number of gauge invariant operators.
C. A. Cremonini, P. A. Grassi, R. Noris, L. Ravera   +3 more
doaj   +1 more source

WMAP and supergravity inflationary models [PDF]

Physical Review D, 2004
7 pages, 4 eps figures, references corrected, version to appear in Phys.
Bento, M. C., Santos, N. M. C., Sen, A. A.   +2 more
openaire   +2 more sources