Results 61 to 70 of about 1,715,781 (121)

Spectroscopy of SU(4) composite Higgs theory with two distinct fermion representations [PDF]

, 2017
We have simulated the SU(4) lattice gauge theory coupled to dynamical fermions in the fundamental and two-index antisymmetric (sextet) representations simultaneously.
V. Ayyar, T. DeGrand, M. Golterman, D. Hackett, W. Jay, E. Neil, Y. Shamir, B. Svetitsky   +7 more
semanticscholar   +1 more source

Particle-vortex duality in topological insulators and superconductors

Journal of High Energy Physics, 2017
We investigate the origins and implications of the duality between topological insulators and topological superconductors in three and four spacetime dimensions.
Jeff Murugan, Horatiu Nastase
doaj   +1 more source

Direct Evidence of Topological Dirac Fermions in a Low Carrier Density Correlated 5d Oxide

Advanced Functional Materials, EarlyView.
The 5d oxide BiRe2O6 is discovered as a low‐carrier‐density topological semimetal hosting symmetry‐protected Dirac fermions stabilized by nonsymmorphic symmetries. Angle‐resolved photoemission spectroscopy, quantum oscillations, and magnetotransport measurements reveal gapless Dirac cones, quasi‐2D Fermi surfaces, high carrier mobility, and a field ...
Premakumar Yanda, Jorge Cardenas‐Gamboa, Ding Pei, François Bertran, Leila Noohinejad, Snehashish Chatterjee, Changjiang Yi, Iñigo Robredo, Horst Borrmann, Maia G. Vergniory, Chandra Shekhar, Claudia Felser   +11 more
wiley   +1 more source

Synthesis and Electronic Structure of the Fractionally Occupied Double Perovskite EuTa2O6 with Ordered Europium Vacancies

Advanced Functional Materials, EarlyView.
Two‐dimensional electronic states are the foundation of modern semiconductor technology. Here, we report molecular‐beam epitaxy growth of fractional double perovskite, EuTa2O6. Reciprocal space mapping and transmission electron microscopy confirm a layered ordering of A‐site cations.
Tobias Schwaigert, Ali Barooni, Benjamin Gregory, Paul Malinowski, Anirudh Tenneti, Sonia Hasko, Brenan Palazzolo, Jeffrey W Hodgson, Brendan Faeth, Patrick M. Woodward, Kyle M. Shen, Andrej Singer, Maryam Ghazisaeidi, Salva Salmani‐Rezaie, Darrell G. Schlom, Kaveh Ahadi   +15 more
wiley   +1 more source

Geometry of compressible and incompressible quantum Hall states: Application to anisotropic composite-fermion liquids [PDF]

, 2013
Haldane's geometrical description of fractional quantum Hall states is generalized to compressible states. It is shown that anisotropy in the composite fermion Fermi surface is a direct reflection of this intrinsic geometry.
Kun Yang
semanticscholar   +1 more source

Unpaired composite fermion, topological exciton, and zero mode. [PDF]

Physical Review Letters, 2011
The paired state of composite fermions is expected to support two kinds of excitations: vortices and unpaired composite fermions. We construct an explicit microscopic description of the unpaired composite fermions, which we demonstrate to be accurate for
G. Sreejith, A. Wójs, Jainendra K. Jain
semanticscholar   +1 more source

Van Der Waals Hybrid Integration of 2D Semimetals for Broadband Photodetection

Advanced Materials, EarlyView.
Advanced broadband photodetector technologies are essential for military and civilian applications. 2D semimetals, with their gapless band structures, high mobility, and topological protection, offer great promise for broadband PDs. This study reviews the latest advancements in broadband PDs utilizing heterostructures that combine 2D semimetals with ...
Xue Li, Kunxuan Liu, Di Wu, Pei Lin, Zhifeng Shi, Xinjian Li, Longhui Zeng, Yang Chai, Shu Ping Lau, Yuen Hong Tsang   +9 more
wiley   +1 more source

A new method for the beta function in the chiral symmetry broken phase

EPJ Web of Conferences, 2018
We describe a new method to determine non-perturbatively the beta function of a gauge theory using lattice simulations in the p-regime of the theory. This complements alternative measurements of the beta function working directly at zero fermion mass and
Fodor Zoltan, Holland Kieran, Kuti Julius, Nogradi Daniel, Him Wong Chik   +4 more
doaj   +1 more source

Manipulating Individual Topological Solitons and Bisolitons in an Electronic System

Advanced Materials, EarlyView.
While localized topological modes in quantum materials promise loss‐less delivery of classical and quantum information, manipulating them individually has been challenging. This work succeeded in manipulating topological solitons formed along atomic wires on silicon surfaces with high reproducibility in various ways, including translating, transforming
Taehwan Im, Jae Whan Park, Han Woong Yeom   +2 more
wiley   +1 more source

Evidence for Topological Protection Derived from Six-Flux Composite Fermions

Nature Communications
The composite fermion theory opened a new chapter in understanding many-body correlations through the formation of emergent particles. The formation of two-flux and four-flux composite fermions is well established.
Haoyun Huang, Waseem Hussain, S. A. Myers, L. N. Pfeiffer, K. W. West, K. W. Baldwin, G. A. Csáthy   +6 more
doaj   +1 more source