Results 101 to 110 of about 3,294 (151)

Chern-Simons supergravity on supergroup manifolds

Journal of High Energy Physics, 2020
We construct N=1 d=3 AdS supergravity within the group manifold approach and compare it with Achucarro-Townsend Chern-Simons formulation of the same theory.
L. Castellani, C.A. Cremonini, P.A. Grassi   +2 more
doaj   +1 more source

The supersymmetric technique for random-matrix ensembles with zero eigenvalues

, 2001
The supersymmetric technique is applied to computing the average spectral density near zero energy in the large-N limit of the random-matrix ensembles with zero eigenvalues: B, DIII-odd, and the chiral ensembles (classes AIII, BDI, and CII).
Altland A., Altland A., Andreev A. V., Bocquet M., D. A. Ivanov, Damgaard P. H., Klein B., Ma J.-Z., Ma J.-Z., Nagao T., Verbaarschot J., Verbaarschot J. J. M., Verbaarschot J. J. M., Verbaarschot J. J. M., Zirnbauer M. R.   +14 more
core   +1 more source

(2,0) superspace

Physics Letters B, 1986
Abstract Superspace formulations of the most general two-dimensional σ models with (2,0) and (2,1) supersymmetry are constructed and some of their implications discussed.
Michael Dine, Nathan Seiberg
openaire   +1 more source

High‐performance thermoelectric calcium cobaltite nanoribbon ceramic via electrospinning and dual spark plasma texturing

Journal of the American Ceramic Society, Volume 108, Issue 2, February 2025.
Abstract High‐performance polycrystalline calcium cobaltite ceramic was synthesized via electrospinning of nanoribbons, followed by dual‐process compaction using spark plasma sintering and edge‐free spark plasma texturing. The combination of nanoribbon electrospinning and this multistage sintering technique was employed for the first time and resulted ...
Katharina Kruppa, Itzhak I. Maor, Anat Karlin, Frank Steinbach, Gennady E. Shter, Dorothea Stobitzer, Hilke Petersen, Bernd Breidenstein, Meirav Mann‐Lahav, Gideon S. Grader, Armin Feldhoff   +10 more
wiley   +1 more source

Pauli-Lubanski, supertwistors, and the superspinning particle

Journal of High Energy Physics, 2017
We present a novel construction of the super-Pauli-Lubanski pseudo-vector for 4D supersymmetry and show how it arises naturally from the spin-shell constraints in the supertwistor formulation of superparticle dynamics.
Alex S. Arvanitakis, Luca Mezincescu, Paul K. Townsend   +2 more
doaj   +1 more source

Advances in Texturing and Thermoelectric Properties of a Calcium Cobaltite Ceramic via Combined Spark Plasma Sintering and Spark Plasma Texturing

Advanced Functional Materials, Volume 35, Issue 1, January 2, 2025.
Calcium cobaltite [Ca2CoO3‐δ]0.62[CoO2] emerges as a promising p‐type thermoelectric material suitable for high‐temperature applications in the air. Employing a combination of spark plasma sintering and edge‐free spark plasma texturing, a highly textured polycrystalline ceramic is successfully fabricated.
Katharina Kruppa, Anat Karlin, Itzhak I. Maor, Frank Steinbach, Gennady E. Shter, Dorothea Stobitzer, Wenjie Xie, Anke Weidenkaff, Meirav Mann‐Lahav, Gideon S. Grader, Armin Feldhoff   +10 more
wiley   +1 more source

Finitary Algebraic Superspace

International Journal of Theoretical Physics, 1998
An algebraic scheme is suggested in which discretized spacetime turns out to be a quantum observable. As an example, a toy model producing spacetimes of four points with different topologies is presented. The possibility of incorporating this scheme into the framework of non-commutative differential geometry is discussed.
openaire   +2 more sources

Near horizon supergravity superspace [PDF]

, 2008
6 pages, contribution to the proceedings of the "mid-term TMR meeting on Quantum Aspects Theories, Supersymmetry and Unification", Corfu, September 20-26 ...
openaire   +2 more sources

Definite and indefinite inner products on superspace (Hilbert–Krein superspace) [PDF]

Journal of Physics A: Mathematical and General, 2005
21 ...
openaire   +3 more sources

Giant Topological Hall Effect and Colossal Magnetoresistance in Heusler Ferromagnet near Room Temperature

Advanced Materials, Volume 37, Issue 3, January 22, 2025.
Ferromagnetic shape memory Heusler alloy Ni2Mn1.4In0.6 exhibits colossal magnetoresistance (CMR) and giant topological Hall effect (THE) near room temperature, which is attributed to the enhanced spin chirality emerging from the formation of domains and domain walls, which in turn resulted from the combined effect of magnetic field induced martensite ...
Premakumar Yanda, Leila Noohinejad, Ning Mao, Nikolai Peshcherenko, Kazuki Imasato, Abhay K. Srivastava, Yicheng Guan, Bimalesh Giri, Avdhesh Kumar Sharma, Kaustuv Manna, Stuart S. P. Parkin, Yang Zhang, Chandra Shekhar, Claudia Felser   +13 more
wiley   +1 more source