Results 111 to 120 of about 40,451 (295)

Symmetry Control of Unconventional Spin–Orbit Torques in IrO2

, 2023
Spin–orbit torques generated by a spin current are key to magnetic switching in spintronic applications. The polarization of the spin current dictates the direction of switching required for energy-efficient devices.
Ralph, Daniel C., Si-Young Choi, Kim, Jong-Woo, Joseph A. Mittelstaedt, Jong‐Woo Kim, Ding‐Fu Shao, Patton, Michael, Si‐Young Choi, Gurung, Gautam, Tianxiang Nan, Mazur, Marcel, Michael Patton, Gautam Gurung, Chang‐Beom Eom, Gahee Noh, Noh, Gahee, Philip J. Ryan, Mittelstaedt, Joseph A., Nan, Tianxiang, Shao, Ding-Fu, Rzchowski, Mark S., Eom, Chang-Beom, Tsymbal, Evgeny Y., Marcel Mazur, Evgeny Y. Tsymbal, Daniel C. Ralph, Mark S. Rzchowski, Ryan, Philip J.   +27 more
core   +1 more source

Template‐Confined Synthesis of Shape‐Engineered Single‐Crystal Gold Microplates in Lithographically‐Defined Polymeric Patterns

Advanced Functional Materials, EarlyView.
Single‐crystal gold microplates are high‐performance nanomaterials with an impressive wafer‐based application space. Progress has, however, been tempered by an inability to exert synthetic control over microplate size, shape, and positioning. In this work, control over these parameters is demonstrated using a seed‐mediated synthesis that both confines ...
Debasish Panda, Md Rashed Nizam, Walker J. Tuff, Collin C. Wyant, Maksym Zhukovskyi, Matthew R. Rosenberger, Botond Sánta, Edward C. Kinzel, Robert A. Hughes, Svetlana Neretina   +9 more
wiley   +1 more source

Chiral Phase Change Nanomaterials

Advanced Functional Materials, EarlyView.
This work demonstrates reversible, non‐volatile phase transitions in chiral Ge2${\rm Ge}_2$Sb2${\rm Sb}_2$Te5${\rm Te}_5$ (GST) nanohelices for high‐speed optical modulation of chirality and dynamic control of the state of polarization (SOP). The chiral nanostructures are fabricated using a highly directional, wafer‐scale physical vapor deposition ...
Joshua A. Burrow, Md Shah Alam, Riad Yahiaoui, Evan M. Smith, Ryan Laing, Jules Gardener, Thomas A. Searles, Piyush J. Shah, Shivashankar Vangala, Joshua R. Hendrickson, Andrew M. Sarangan, Imad Agha   +11 more
wiley   +1 more source

Higher derivative terms and their influence on N=2 supersymmetric systems [PDF]

, 1999
This thesis is concerned with so-called higher derivative terms which arise in low energy approximations to certain physical models. In particular, the aim is to investigate the role that such terms play in low energy N=2 supersymmetric gauge theories in
Weir, W.A., Weir, William Alexander
core  

SU(2 vertical bar 2) for theories with sixteen supercharges at weak and strong coupling [PDF]

, 2010
archiveprefix: arXiv primaryclass: hep-th reportnumber: HU-EP-10-15 slaccitation: %%CITATION = ARXIV:1003.5547;%%archiveprefix: arXiv primaryclass: hep-th reportnumber: HU-EP-10-15 slaccitation: %%CITATION = ARXIV:1003.5547;%%D. Y.
Agarwal, A, Young, D, Abhishek Agarwal, Donovan Young   +3 more
core   +1 more source

Gauge Invariant Lagrangian Formulations for Mixed Symmetry Higher Spin Bosonic Fields in AdS Spaces

, 2023
We deduce a non-linear commutator higher-spin (HS) symmetry algebra which encodes unitary irreducible representations of the AdS group -- subject to a Young tableaux $Y(s_1,\ldots ,s_k)$ with $k\geq 2$ rows -- in a $d$-dimensional anti-de-Sitter space ...
Pavel Yurievich Moshin, Reshetnyak, A., Alexander Alexandrovich Reshetnyak, Moshin, P.   +3 more
core   +1 more source

Black flowers and real forms of higher spin symmetries

Journal of High Energy Physics
Abstract Using Chern-Simons formulation, we investigate higher spin (HS) black holes in AdS3 with soft Heisenberg hair and establish linkage with the real forms of the underlying complexified gauge symmetries taken here as SL(N, ℂ)L × SL(N, ℂ)R. We study the various conserved currents characterizing the HS black flowers (HS-BF) and
R. Sammani, E. H. Saidi
openaire   +3 more sources

Bilinear Fronsdal currents in the AdS4 higher-spin theory

Journal of High Energy Physics
We analyse higher-spin theory with general coupling constant η at the second order, focusing on the gauge non-invariant vertices Υ(ω, ω), Υ(Ω, ω, C) and Υ(ω, C), that are shown to generate nontrivial currents in the Fronsdal equations.
Yu. A. Tatarenko, M. A. Vasiliev
doaj   +1 more source

Magnetic‐Field Control of Surface States in CoFe2O4 Thin Films for Nitrate Electroreduction to Ammonia

Advanced Functional Materials, EarlyView.
Magnetic‐field‐assisted CVD of heterometallic single‐source precursors modulates thin‐film surface electronic structure and interfacial charge transfer. Field‐grown (Cobalt ferrite‐1T)CF‐1T films exhibit stabilized electronic states, lower kinetic barriers, and markedly enhanced nitrate‐to‐ammonia electrocatalysis versus (Cobalt ferrite‐0T) CF‐0T ...
Touraj Karimpour, Younes Mousazade, Simon Diel, Shilendra Kumar Sharma, Tisita Das, Nathália C. Verissimo, Thomas Fischer, Ziyaad Aytuna, Andreas Lichtenberg, Sudip Chakraborty, Marcel Risch, Sanjay Mathur   +11 more
wiley   +1 more source

Constraints on higher spin CFT2

, 2018
We derive constraints on two-dimensional conformal field theories with higher spin symmetry due to unitarity, modular invariance, and causality. We focus on CFTs with WN $$ {\mathcal{W}}_N $$ symmetry in the “irrational” regime, where c > N − 1 and the ...
Kale Colville, Thomas Hartman, Eric Perlmutter, Nima Afkhami-Jeddi, Alexander Maloney   +4 more
core   +2 more sources