Results 81 to 90 of about 59,192 (316)

Interfacial Adsorption Engineering Enables a Highly Utilized Zinc Anode With 99.9% Coulombic Efficiency

open access: yesAdvanced Functional Materials, EarlyView.
When hydrated zinc ions are deposited onto Cu substrates at practical current densities, the modified Cu enables simultaneously compact zinc growth and suppressed hydrogen evolution. This regulatory effect originates from the superior adsorption of the modified Cu interface, which enhances zincophilicity and the hydrogen desorption barrier, thereby ...
Zhe Zhu   +8 more
wiley   +1 more source

Modular forms and SL(2, ℤ)-covariance of type IIB superstring theory

open access: yesJournal of High Energy Physics, 2019
The local higher-derivative interactions that enter into the low-energy expansion of the effective action of type IIB superstring theory with constant complex modulus generally violate the U(1) R-symmetry of IIB supergravity by q U units.
Michael B. Green, Congkao Wen
doaj   +1 more source

Supersymmetric $$AdS_4$$ A d S 4 black holes from matter-coupled $$N=3,4$$ N = 3 , 4 gauged supergravities

open access: yesEuropean Physical Journal C: Particles and Fields, 2021
We study supersymmetric $$AdS_4$$ A d S 4 black holes in matter-coupled $$N=3$$ N = 3 and $$N=4$$ N = 4 gauged supergravities in four dimensions. In $$N=3$$ N = 3 theory, we consider $$N=3$$ N = 3 gauged supergravity coupled to three vector multiplets ...
Parinya Karndumri
doaj   +1 more source

On the universal string theory [PDF]

open access: yesPhysics Letters B, 1994
7 pages, Plain TeX, QMW-PH-93-29. (no major changes, added some remarks and one reference; v3: solved legacy compilation problems)
openaire   +2 more sources

The NMSSM and string theory [PDF]

open access: yesPhysics Letters B, 2010
We study the possibility of constructing the NMSSM from the heterotic string. String derived NMSSMs are much more rare than MSSMs due to the extra requirement that there exist a light singlet which couples to the Higgs pairs. They share the common feature that the singlet self-interactions are typically suppressed, leading to either the "decoupling" or
Lebedev, O., Ramos-Sanchez, S.
openaire   +3 more sources

Symmetries and Interactions in Matrix String Theory [PDF]

open access: yes, 1999
This PhD-thesis reviews matrix string theory and recent developments therein. The emphasis is put on symmetries, interactions and scattering processes in the matrix model. We start with an introduction to matrix string theory and a review of the orbifold
Hacquebord, F.H.
core  

Exotic branes in string theory [PDF]

open access: yes, 2013
Besides the familiar D-branes, string theory contains a vast number of other non-perturbative objects. While a complete classification is lacking, many of these objects are related to each other through various dualities.
de Boer, J.   +5 more
core   +1 more source

Thermally Pre‐Formed Reconfigurable Resistive Random‐Access Memory Crossbar Arrays: A Dual‐Mode Platform for Robust Physically Unclonable Functions and In‐Memory Computing

open access: yesAdvanced Functional Materials, EarlyView.
A reconfigurable RRAM platform utilizing thermally pre‐formed filaments (TPFs) is developed to realize robust hardware security. By exploiting the thermodynamic stochasticity of TPFs, exceptionally reliable physically unclonable functions (PUFs) are achieved.
Seongbin Kwon   +4 more
wiley   +1 more source

Supercharging superstrata

open access: yesJournal of High Energy Physics, 2019
We construct a new class of smooth horizonless microstate geometries of the supersymmetric D1-D5-P black hole in type IIB supergravity. We first work in the AdS3 × S 3 decoupling limit and use the fermionic symmetries of the theory to generate new ...
Nejc Čeplak   +2 more
doaj   +1 more source

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