Results 51 to 60 of about 96,191 (298)

Band gap opening by two-dimensional manifestation of Peierls instability in graphene

, 2011
Using first-principles calculations of graphene having high-symmetry distortion or defects, we investigate band gap opening by chiral symmetry breaking, or intervalley mixing, in graphene and show an intuitive picture of understanding the gap opening in ...
Ajiki H., Bai J., Balog R., Barbier M., Barone V., Brey L., Castro Neto A. H., Chamon C., Choi S.-M., Ezawa M., Geim A. K., Guinea F., Heejun Yang, Hoffmann R., Hou C.-Y., Hyun-Jong Chung, Jaikwang Shin, Jinseong Heo, Kim M., Kresse G., Kresse G., Mañes J. L., Mintmire J. W., Nambu Y., Novoselov K. S., Okahara K., Park C.-H., Pauling L., Pedersen T. G., Peierls R. F., Pereira V. M., Pereira V. M., Perkins D. H., Ponomarenko L. A., Ryu S., Schwierz F., Semenoff G. W., Son Y.-W., Su W. P., Sunae Seo, Sung-Hoon Lee, U-In Chung, Zhang Y., Zhou S. Y.   +43 more
core   +1 more source

Spontaneous Scale Symmetry Breaking in 2+1-Dimensional QED at Both Zero and Finite Temperature [PDF]

, 2000
A complete analysis of dynamical scale symmetry breaking in 2+1-dimensional QED at both zero and finite temperature is presented by looking at solutions to the Schwinger-Dyson equation.
Carrington, M. E., Chen, W. F., Kobes, R.   +2 more
core   +2 more sources

Large Anomalous and Topological Hall Effect and Nernst Effect in a Dirac Kagome Magnet Fe3Ge

Advanced Functional Materials, EarlyView.
Fe3Ge, a Kagome‐lattice magnet, exhibits remarkable anomalous Hall and Nernst effects, with transverse thermoelectric conductivity surpassing or comaprable to some well‐known ferromagnets. First‐principles calculations attribute these to Berry curvature from massive Dirac gaps. Additionally, topological Hall and Nernst signals emerge from field‐induced
Chunqiang Xu, Shuvankar Gupta, Hengxin Tan, Hyeonhu Bae, Olajumoke Oluwatobiloba Emmanuel, Mingyu Xu, Yan Wu, Xiaofeng Xu, Pengpeng Zhang, Weiwei Xie, Binghai Yan, Xianglin Ke   +11 more
wiley   +1 more source

Control over the emerging chirality in supramolecular gels and solutions by chiral microvortices in milliseconds

Nature Communications, 2018
Symmetry breaking and chiral amplification are fundamental principles in chemistry and biology but the control of initial chiral bias remains a great challenge.
Jiashu Sun, Yike Li, Fusheng Yan, Chao Liu, Yutao Sang, Fei Tian, Qiang Feng, Pengfei Duan, Li Zhang, Xinghua Shi, Baoquan Ding, Minghua Liu   +11 more
doaj   +1 more source

Anomalous transport and holographic momentum relaxation

Journal of High Energy Physics, 2017
The chiral magnetic and vortical effects denote the generation of dissipationless currents due to magnetic fields or rotation. They can be studied in holographic models with Chern-Simons couplings dual to anomalies in field theory. We study a holographic
Christian Copetti, Jorge Fernández-Pendás, Karl Landsteiner, Eugenio Megías   +3 more
doaj   +1 more source

Chiral Symmetry Breaking with Scalar Confinement

, 2003
Spontaneous chiral symmetry breaking is accepted to occur in low energy hadronic physics, resulting in the several successful theorems of PCAC. On the other hand scalar confinement is suggested both by the spectroscopy of hadrons and by the string ...
A. Barchielli, A. B. Henriques, A. V. Nefediev, D. Gromes, G. M. Marques, J. Dias de Deus, L.-H. Chan, P. Bicudo, S. L. Adler, S. M. Fedorov, T. A. J. Maris, Y. A. Simonov, Y. A. Simonov, Y. A. Simonov, Y. A. Simonov   +14 more
core   +1 more source

The sextet gauge model, light Higgs, and the dilaton [PDF]

, 2012
The frequently discussed strongly interacting gauge theory with a fermion flavor doublet in the two-index symmetric (sextet) representation of the SU(3) color gauge group is investigated \cite{Fodor:2012ty}.
Fodor, Zoltan, Holland, Kieran, Kuti, Julius, Nogradi, Daniel, Schroeder, Chris, Wong, Chik Him   +5 more
core   +2 more sources

The Realization of Multidirectional, Free‐Standing 3D Plasmonic Nanostructures via 3D Nanoprinting: A Case Study of Fractal Antennas

Advanced Functional Materials, EarlyView.
Free‐standing plasmonic gold‐based fractal antennas are fabricated by 3D nanoprinting, employing focused electron beam induced deposition and an optimized purification method to remove carbon while conserving structural fidelity. Simulation and experiment show broadband plasmonic activity, including customizable polarizability, thereby paving the way ...
Verena Reisecker, Robert Winkler, Ulrich Hohenester, Evelin Fisslthaler, Daniel Knez, Gerald Kothleitner, Georg Haberfehlner   +6 more
wiley   +1 more source

A simple toy model for effective restoration of chiral symmetry in excited hadrons

, 2006
A simple solvable toy model exhibiting effective restoration of chiral symmetry in excited hadrons is constructed. A salient feature is that while physics of the low-lying states is crucially determined by the spontaneous breaking of chiral symmetry, in ...
LEONID YA. GLOZMAN, Nowak M. A., THOMAS D. COHEN   +2 more
core   +1 more source

Reconfigurable Metamirrors Based on Compliant Mechanisms

Advanced Functional Materials, EarlyView.
Providing the basis for numerous practical applications, the reconfigurability of metadevices is of great importance. Through the integration of controlled mechanical deformation with chiral meta‐atoms, a compliant mechanism based metamirror is demonstrated for active control over the polarization of electromagnetic waves.
Galestan Mackertich‐Sengerdy, Lei Kang, Sawyer D. Campbell, Douglas H. Werner   +3 more
wiley   +1 more source