Zobrazeno 1 - 10
of 1 618
pro vyhledávání: '"Burg, G"'
Autor:
Lin, Kenneth, Prasad, Nitin, Burg, G. William, Zou, Bo, Ueno, Keiji, Watanabe, Kenji, Taniguchi, Takashi, MacDonald, Allan H., Tutuc, Emanuel
We report enhanced interlayer tunneling with reduced linewidth at zero interlayer bias in a twist-controlled double monolayer graphene heterostructure in the quantum Hall regime, when the top ($\nu_{\mathrm{T}}$) and bottom ($\nu_{\mathrm{B}}$) layer
Externí odkaz:
http://arxiv.org/abs/2206.11799
Autor:
Burg, G. William, Khalaf, Eslam, Wang, Yimeng, Watanabe, Kenji, Taniguchi, Takashi, Tutuc, Emanuel
Recently, alternating twist multilayer graphene (ATMG) has emerged as a family of moir\'e systems that share several fundamental properties with twisted bilayer graphene, and are expected to host similarly strong electron-electron interactions near t
Externí odkaz:
http://arxiv.org/abs/2201.01637
Autor:
Prasad, Nitin, Burg, G. William, Watanabe, Kenji, Taniguchi, Takashi, Register, Leonard F., Tutuc, Emanuel
Publikováno v:
Phys. Rev. Lett. 127, 117701 (2021)
We describe a tunneling spectroscopy technique in a double bilayer graphene heterostructure where momentum-conserving tunneling between different energy bands serves as an energy filter for the tunneling carriers, and allows a measurement of the quas
Externí odkaz:
http://arxiv.org/abs/2105.07104
Autor:
Wang, Yimeng, Herzog-Arbeitman, Jonah, Burg, G. William, Zhu, Jihang, Watanabe, Kenji, Taniguchi, Takashi, MacDonald, Allan H., Bernevig, B. Andrei, Tutuc, Emanuel
The emergence of controlled, two-dimensional moir\'e materials has uncovered a new platform for investigating topological physics. Twisted double bilayer graphene (TDBG) has been predicted to host a topologically non-trivial gapped phase with Chern n
Externí odkaz:
http://arxiv.org/abs/2101.03621
Autor:
Burg, G. William, Lian, Biao, Taniguchi, Takashi, Watanabe, Kenji, Bernevig, B. Andrei, Tutuc, Emanuel
Twisted double bilayer graphene (TDBG) under a transverse electric field is predicted to exhibit a topological valley Chern number 2 at charge neutrality, protected by an emergent valley symmetry, which can manifest in the Hofstadter spectra. Here, w
Externí odkaz:
http://arxiv.org/abs/2006.14000
Autor:
Burg, G. William, Zhu, Jihang, Taniguchi, Takashi, Watanabe, Kenji, MacDonald, Allan H., Tutuc, Emanuel
Publikováno v:
Phys. Rev. Lett. 123, 197702 (2019)
We present a combined experimental and theoretical study of twisted double bilayer graphene with twist angles between 1{\deg} and 1.35{\deg}. Consistent with moir\'e band structure calculations, we observe insulators at integer moir\'e band fillings
Externí odkaz:
http://arxiv.org/abs/1907.10106
Publikováno v:
Phys. Rev. B 101, 035413 (2020)
A strong low-temperature enhancement of the tunneling conductance between graphene bilayers has been reported recently, and interpreted as a signature of equilibrium electron-hole pairing, first predicted in bilayers more than forty years ago but pre
Externí odkaz:
http://arxiv.org/abs/1903.07739
Two-dimensional semiconductors have emerged as a new class of materials for nanophotonics for their strong exciton-photon interaction and flexibility for engineering and integration. Taking advantage of these properties, we engineer an efficient lasi
Externí odkaz:
http://arxiv.org/abs/1901.00598
Autor:
Zhang, Long, Gogna, Rahul, Burg, G. William, Horng, Jason, Paik, Eunice, Chou, Yu-Hsun, Kim, Kyounghwan, Tutuc, Emanuel, Deng, Hui
Publikováno v:
Phys. Rev. B 100, 041402 (2019)
Two-dimensional semiconductors feature valleytronics phenomena due to locking of the spin and momentum valley of the electrons. However, the valley polarization is intrinsically limited in monolayer crystals by the fast intervalley electron-hole exch
Externí odkaz:
http://arxiv.org/abs/1901.00200