Preprints
Youngjoon Choi, Ysun Choi, Marco Valentini, Caitlin L. Patterson, Ludwig F. W. Holleis, Owen I. Sheekey, Hari Stoyanov, Xiang Cheng, Takashi Taniguchi, Kenji Watanabe, Andrea F. Young. “Electric field control of superconductivity and quantized anomalous Hall effects in rhombohedral tetralayer graphene.” arXiv:2408.12584.
Article (arXiv)
Caitlin L. Patterson, Owen I. Sheekey, Trevor B. Arp, Ludwig F. W. Holleis, Jin Ming Koh, Youngjoon Choi, Tian Xie, Siyuan Xu, Evgeny Redekop, Grigory Babikyan, Haoxin Zhou, Xiang Cheng, Takashi Taniguchi, Kenji Watanabe, Chenhao Jin, Etienne Lantagne-Hurtubise, Jason Alicea, Andrea F. Young. “Superconductivity and spin canting in spin-orbit proximitized rhombohedral trilayer graphene.“ arXiv:2408.10190.
Article (arXiv)
Ludwig Holleis, Tian Xie, Siyuan Xu, Haoxin Zhou, Caitlin L. Patterson, Archisman Panigrahi, Takashi Taniguchi, Kenji Watanabe, Leonid S. Levitov, Chenhao Jin, Erez Berg, Andrea F. Young. “Isospin Pomeranchuk effect and finite temperature resistivity minimum in rhombohedral graphene.“ arXiv:2407.13763
Article (arXiv)
T. Xie, T. M. Wolf, S. Xu, Z. Cui, R. Xiong, Y. Ou, P. Hays, L. F. Holleis, Y. Guo, O. I Sheekey, X. Patterson, T. Arp, K. Watanabe, T. Taniguchi, S. A. Tongay, A. F. Young, A. H. MacDonald, C. Jin. “Optical Imaging of Flavor Order in Flat Band Graphene.“ arXiv:2405.08074.
Article (arXiv)
Noah L. Samuelson, Liam A. Cohen, Will Wang, Simon Blanch, Takashi Taniguchi, Kenji Watanabe, Michael P. Zaletel, Andrea F. Young. “Anyonic statistics and slow quasiparticle dynamics in a graphene fractional quantum Hall interferometer.“ arXiv:2403.19628
Article (arXiv)
Liam A. Cohen, Noah L. Samuelson, Taige Wang, Kai Klocke, Cian C. Reeves, Takashi Taniguchi, Kenji Watanabe, Sagar Vijay, Michael P. Zaletel, Andrea F. Young. “Spontaneous localization at a potential saddle point from edge state reconstruction in a quantum Hall point contact.“ arxiv:2401.10433
Article (arXiv)
Ludwig Holleis, Caitlin L. Patterson, Yiran Zhang, Heun Mo Yoo, Haoxin Zhou, Takashi Taniguchi, Kenji Watanabe, Stevan Nadj-Perge, Andrea F. Young. “Nematicity and Orbital Depairing in Superconducting Bernal Bilayer Graphene with Strong Spin Orbit Coupling.“ arXiv:2303.00742
Article (arXiv)
2024
Trevor Arp, Owen Sheekey, Haoxin Zhou, C.L. Tschirhart, Caitlin L. Patterson, H. M. Yoo, Ludwig Holleis, Evgeny Redekop, Grigory Babikyan, Tian Xie, Jiewen Xiao, Yaar Vituri, Tobias Holder, Takashi Taniguchi, Kenji Watanabe, Martin E. Huber, Erez Berg, Andrea F. Young. “Intervalley coherence and intrinsic spin-orbit coupling in rhombohedral trilayer graphene.” Nature Physics (2024).
Article (arXiv, Nature Physics)
Alexandre Assouline, Taige Wang, Haoxin Zhou, Liam A. Cohen, Fangyuan Yang, Ruining Zhang, Takashi Taniguchi, Kenji Watanabe, Roger S. K. Mong, Michael P. Zaletel, Andrea F. Young. “Energy gap of the even-denominator fractional quantum Hall state in bilayer graphene.” Phys. Rev. Lett. 132, 046603 (2024).
Article (arXiv, Physical Review Letters)
Wenjin Zhao, Kaifei Kang, Lizhong Li, Charles Tschirhart, Evgeny Redekop, Kenji Watanabe, Takashi Taniguchi, Andrea Young, Jie Shan, Kin Fai Mak. “Realization of the Haldane Chern insulator in a moiré lattice.” Nature Physics (2024).
Article (arXiv, Nature Physics)
E. Redekop, C. Zhang, H. Park, J. Cai, E. Anderson, O. Sheekey, T. Arp, Gi. Babikyan, S. Salters, K. Watanabe, T. Taniguchi, Xi. Xu, A. F. Young. “Direct magnetic imaging of fractional Chern insulators in twisted MoTe2 with a superconducting sensor.“ Nature 635:584-589 (2024).
2023
Fangyuan Yang, Ruiheng Bai, Alexander A. Zibrov, Sandeep Joy, Takashi Taniguchi, Kenji Watanabe, Brian Skinner, Mark O. Goerbig, Andrea F. Young. “Cascade of multi-electron bubble phases in monolayer graphene at high Landau level filling.“ Phys. Rev. Lett. 131, 226501 (2023).
Article (arXiv, Physical Review Letters)
Hyunjin Kim, Youngjoon Choi, Étienne Lantagne-Hurtubise, Cyprian Lewandowski, Alex Thomson, Lingyuan Kong, Haoxin Zhou, Eli Baum, Yiran Zhang, Ludwig Holleis, Kenji Watanabe, Takashi Taniguchi, Andrea F. Young, Jason Alicea, Stevan Nadj-Perge. “Imaging inter-valley coherent order in magic-angle twisted trilayer graphene.“ Nature (2023).
L. A. Cohen, N. L. Samuelson, T. Wang, T. Taniguchi, K. Watanabe, M. P. Zaletel, A. F. Young. “Universal chiral Luttinger liquid behavior in a graphene fractional quantum Hall point contact.“ Science, 382, 542-547 (2023).
Ying-Ming Xie, Étienne Lantagne-Hurtubise, Andrea F. Young, Stevan Nadj-Perge, Jason Alicea. “Gate-defined topological Josephson junctions in Bernal bilayer graphene” Phys. Rev. Lett. 131, 146601 (2023).
Article (Physical Review Letters, arXiv)
Paul Henderson, Areg Ghazaryan, Alexander A. Zibrov, Andrea F. Young, and Maksym Serbyn. “Deep learning extraction of band structure parameters from density of states: A case study on trilayer graphene.“ Phys. Rev. B 108, 125411 (2023).
Article (arXiv, Physical Review)
Liam A. Cohen, Noah L. Samuelson, Taige Wang, Kai Klocke, Cian C. Reeves, Takashi Taniguchi, Kenji Watanabe, Sagar Vijay, Michael P. Zaletel & Andrea F. Young. “Nanoscale electrostatic control in ultraclean van der Waals heterostructures by local anodic oxidation of graphite gates.“ Nature Physics, (2023)
Article (arXiv, Nature Physics)
Alex Potts, Abhay Nayak, Michael Nagel, Kelson Kaj, Biljana Stamenic, Demis D. John, Richard D. Averitt, Andrea F. Young. “On-chip time-domain terahertz spectroscopy of superconducting films below the diffraction limit.“ Nano Lett. (2023).
Article (arXiv, Nano Letters)
C. L. Tschirhart, Evgeny Redekop, Lizhong Li, Tingxin Li, Shengwei Jiang, T. Arp, O. Sheekey, Takashi Taniguchi, Kenji Watanabe, Kin Fai Mak, Jie Shan, A. F. Young. “Intrinsic spin Hall torque in a moire Chern magnet.“ Nature Physics (2023).
Article (Nature Physics, arXiv)
News and Views by Yonglong Xie
2022
A. Jenkins, S. Baumann, H. Zhou, S. A. Meynell, D. Yang, K. Watanabe, T. Taniguchi, A. Lucas, A. F. Young, A. C. Bleszynski Jayich. “Imaging the breakdown of ohmic transport in graphene.” Phys. Rev. Lett. 129, 087701 (2022).
Article (Physical Review Letters, arXiv)
Viewpoint by Xia Hong
H. Zhou, C. Huang, N. Wei, T. Taniguchi, K. Watanabe, M. P. Zaletel, Z. Papić, A. H. MacDonald, A. F. Young. “Strong-Magnetic-Field Magnon Transport in Monolayer Graphene” Phys. Rev. X 12, 021060 (2022).
Article (Physical Review X, arXiv)
H. Zhou, Ludwig Holleis, Yu Saito, Liam Cohen, William Huynh, Caitlin L. Patterson, Fangyuan Yang, Takashi Taniguchi, Kenji Watanabe, Andrea F. Young. “Isospin magnetism and spin-polarized superconductivity in Bernal bilayer graphene.“ Science 375, 774 (2022).
Writeup on Condmat Journal Club; Perspective by Tero Heikkila
2021
H. Polshyn, Y. Zhang, M. A. Kumar, T. Soejima, P. Ledwith, K. Watanabe, T. Taniguchi, A. Vishwanath, M. P. Zaletel, A. F. Young. “Topological charge density waves at half-integer filling of a moiré superlattice.” Nature Physics 18, 42–47 (2022).
Article (arXiv, Nature Physics)
J. Zhu, T. Li, A. F. Young, J. Shan, K. F. Mak. “Quantum oscillations in 2D insulators induced by graphite gates.” Phys. Rev. Lett. 127, 247702 (2021)
H. Zhou, T. Xie, T. Taniguchi, K. Watanabe, A. F. Young. “Superconductivity in rhombohedral trilayer graphene.“ Nature 598:434–438 (2021).
Article in Quanta Magazine; Highlight in Nature Physics; News and Views, Writeup on Condmat Journal Club
H. Zhou, T. Xie, A. Ghazaryan, T. Holder, J. Ehrets, E. M. Spanton, T. Taniguchi, K. Watanabe, E. Berg, M. Serbyn, A. F. Young. “Half and quarter metals in rhombohedral trilayer graphene.“ Nature 598, 429–433 (2021).
C. L. Tschirhart, M. Serlin, H. Polshyn, A. Shragai, Z. Xia, J. Zhu, Y. Zhang, K. Watanabe, T. Taniguchi, M. E. Huber, and A. F. Young. “Imaging orbital ferromagnetism in a moire Chern insulator.” Science 27 May 2021: eabd3190.
F. Yang, A. A. Zibrov, R. Bai, T. Taniguchi, K. Watanabe, M. P. Zaletel, and A. F. Young. “Experimental determination of the energy per particle in partially filled Landau levels.” Physical Review Letters 126, 156802 (2021).
Y. Saito, F. Yang, J. Ge, X. Liu, K. Watanabe, T. Taniguchi, J.I.A. Li, E. Berg, A. F. Young. “Isospin Pomeranchuk effect in twisted bilayer graphene.” Nature 592, 220–224 (2021).
Eva Y. Andrei, Dmitri K. Efetov, Pablo Jarillo-Herrero, Allan H. MacDonald, Kin Fai Mak, T. Senthil, Emanuel Tutuc, Ali Yazdani & Andrea F. Young. “The marvels of moiré materials.” Nature Reviews Materials (2021).
Article (Nature Reviews Materials)
Y. Saito, J. Ge, L. Rademaker, K. Watanabe, T. Taniguchi, D. A. Abanin, and A. F. Young. “Hofstadter subband ferromagnetism and symmetry broken Chern insulators in twisted bilayer graphene.” Nature Physics (2021).
Article (Nature Physics, arXiv)
2020
H. Polshyn, J. Zhu, M. A. Kumar, Y. Zhang, F. Yang, C. L. Tschirhart, M. Serlin, K. Watanabe, T. Taniguchi, A. H. MacDonald, A. F. Young. “Electrical switching of magnetic order in an orbital Chern insulator.” Nature (2020).
S. Pershoguba, Andrea F. Young, and Leonid I. Glazman. “Current distribution in a slit connecting two graphene half planes” Phys. Rev. B 102, 125404 (2020).
Article (Physical Review)
Y. Saito, J. Ge, K. Watanabe, T. Taniguchi, A. F. Young. “Independent superconductors and correlated insulators in twisted bilayer graphene.” Nature Physics 16, 926–930 (2020).
L. Balents, C. R. Dean, D. K. Efetov, and A. F. Young. “Superconductivity and strong correlations in moiré flat bands” Nature Physics (2020).
Article (Nature Physics)
J. O. Island, P. Kissin, J. Schalch, X. Cui, S. R. Ul Haque, A. Potts, T. Taniguchi, K. Watanabe, R. D. Averitt, and Andrea F. Young. “On-chip terahertz modulation and emission with integrated graphene junctions.” Applied Physics Letters 116, 161104 (2020)
H. Chu, C. J. Roh, J. O. Island, C. Li, S. Lee, J. Chen, Je-Geun Park, A. F. Young, J.S. Lee, and D. Hsieh. “Linear magnetoelectric phase in ultrathin MnPS3 probed by optical second harmonic generation.” Physical Review Letters 124, 027601 (2020).
M. Serlin, C. Tschirhart, H. Polshyn, Y. Zhang, J. Zhu T. Taniguchi, K. Watanabe, L. Balents, A. F. Young. “Intrinsic quantized anomalous Hall effect in a moiré heterostructure” Science 367, 895-900 (2020).
H.Zhou, H. Polshyn, T. Taniguchi, K. Watanabe, A. F. Young. “Solids of quantum Hall skyrmions in graphene.” Nature Physics 16 154-158 (2020).
Article (Nature Physics, arXiv)
2019
H. Polshyn, M. Yankowitz, S. Chen, Y. Zhang, K. Watanabe, T. Taniguchi, C. R. Dean, and A. F. Young. “Large linear-in-temperature resistivity in twisted bilayer graphene.“ Nature Physics 15, 1011–1016 (2019).
Article (Nature Physics, arXiv)
J.O. Island, X. Cui, C. Lewandowski, J.Y. Khoo, E. M. Spanton, H. Zhou, D. Rhodes, J.C. Hone, T. Taniguchi, K. Watanabe, L.S. Levitov, M.P. Zaletel, A.F. Young. “Spin-orbit driven band inversion in bilayer graphene by van der Waals proximity effect.” Nature 571, 85–89 (2019).
Press Release (UCSB Current)
C. Knapp, E. M. Spanton, A. F. Young, C. Nayak, M. P. Zaletel. “Fractional Chern insulator edges and layer-resolved lattice contacts.” Phys. Rev. B 99, 081114(R) (2019).
M. Yankowitz, S. Chen, H. Polshyn, K. Watanabe, T. Taniguchi, D. Graf, A. F. Young, C. R. Dean. “Tuning superconductivity in twisted bilayer graphene.” Science 363, 1059-1064 (2019).
2018
H. Polshyn, H. Zhou, E. M. Spanton, T. Taniguchi, K. Watanabe, and A. F. Young. "Quantitative transport measurements of fractional quantum Hall energy gaps in edgeless graphene devices." Physical Review Letters 121, 226801 (2018).
Article (Physical Review Letters, arXiv)
A. A. Zibrov, R. Peng, C. Kometter, J.I.A. Li, C. R. Dean, T. Taniguchi, K. Watanabe, M. Serbyn, A. F. Young. "Emergent Dirac gullies and gully nematic quantum Hall states in ABA trilayer graphene." Physical Review Letters 121, 167601
Article (Physical Review Letters, arXiv)
APS Synopsis (PRL)
A. A. Zibrov, E.M. Spanton, H. Zhou, C. Kometter, T. Taniguchi, K. Watanabe, A.F. Young "Even denominator fractional quantum Hall states at an isospin transition in monolayer graphene." Nature Physics 14, 930-935 (2018).
Article (Nature Physics, arXiv)
Maissam Barkeshli, Chetan Nayak, Zlatko Papic, Andrea Young, and Michael Zaletel “Topological exciton Fermi surfaces in two-component fractional quantized Hall insulators.” Physical Review Letters (2018)
Article (Physical Review Letters, arXiv)
E. M. Spanton, A. A. Zibrov, H. Zhou, T. Taniguchi, K. Watanabe, M. P. Zaletel, A. F. Young. “Observation of fractional Chern insulators in a van der Waals heterostructure.” Science 360, 62–66 (2018).
2017
A. A. Zibrov, C. R. Kometter, H. Zhou, E. M. Spanton, T. Taniguchi, K. Watanabe, M. P. Zaletel, and A. F. Young. “Tunable interacting composite fermion phases in a half-filled bilayer-graphene Landau level.” Nature 549, 360–364 (21 September 2017)
B. M. Hunt, J.I.A. Li, A.A. Zibrov, L. Wang, T. Taniguchi, K. Watanabe, J. Hone, C. R. Dean, M. Zaletel, R.C. Ashoori, A.F. Young. “Direct measurement of discrete valley and orbital quantum numbers in bilayer graphene.” Nature Communications 8, Article number: 948 (16 October 2017) arXiv:1607.06461
Zhen Bi, Ruixing Zhang, Yi-Zhuang You, Andrea Young, Leon Balents, Chao-Xing Liu, and Cenke Xu. “Bilayer Graphene as a platform for Bosonic Symmetry Protected Topological States,” Phys. Rev. Lett. 118, 126801 (20 March 2017), arXiv:1602.03190
Article (arXiv, Physical Review Letters)
2016
Aviram Uri, Alexander Y. Meltzer, Yonathan Anahory, Lior Embon, Ella O. Lachman, Dorri Halbertal, Naren HR, Yuri Myasoedov, Martin E. Huber, Andrea Young, Eli Zeldov. “Electrically tunable multi-terminal SQUID-on-tip,” Nano Lett., 16 (11), pp. 6910–6915 (2016)
Article (arXiv, Nanoletters)
J. D. Sanchez-Yamagishi, J. Y. Luo, A. F. Young, B. Hunt, K. Watanabe, T. Taniguchi, R. C. Ashoori, and P. Jarillo-Herrero. “Observation of Helical Edge States and Fractional Quantum Hall Effect in a Graphene Electron-hole Bilayer,” Nature Nano. (2016)
Article (arXiv, Nature Nanotechnology)
2015
E. Lachman, A. F. Young, A. Richardella, J. Cuppens, Naren HR, Y. Anahory, A. Y. Meltzer, A. Kandala, S. Kempinger, Y. Myasoedov, M. E. Huber, N. Samarth, & E. Zeldov, “Visualization of superparamagnetic dynamics in magnetic topological insulators,” Science Advances 1, 10, e1500740
Article (Science Advances, arXiv)
2014
A. F. Young, J. D. Sanchez-Yamagishi, B. Hunt, S. H. Choi, K. Watanabe, T. Taniguchi, R. C. Ashoori, and P. Jarillo-Herrero, “Tunable symmetry breaking and helical edge transport in a graphene quantum spin Hall state,” Nature 505, 528-532 (2014).
2013
B. Hunt, J. D. Sanchez-Yamagishi, A. F. Young, M. Yankowitz, B. LeRoy, K. Watanabe, T. Taniguchi, P. Moon, M. Koshino, P. Jarillo-Herrero, and R. C. Ashoori. “Massive Dirac fermions and Hofstadter butterfly in a van der Waals heterostructure,” Science 340, 1427-1430 (2013).
P. Maher, C.R. Dean, A. F. Young, T. Taniguchi, K. Watanabe, K. L. Shepard, J. Hone, and P. Kim, “Evidence for a spin phase transition at charge neutrality in bilayer graphene.” Nature Physics 9, 154-158 (2013).
Article (Nature Physics, arXiv)
2012
L. C. Campos, A. F. Young, K. Surakitbovorn, K. Watanabe, T. Taniguchi, and P. Jarillo-Herrero, “Quantum and classical con nement of resonant states in a trilayer graphene Fabry-Perot interferometer” Nature Communications 3, 1239 (2012).
Article (Nature Communications, arXiv)
A. F. Young, C. R. Dean, L. Wang, H. Ren, P. Cadden-Zimansky, K. Watanabe, T. Taniguchi, J. Hone, K.L. Shepard, and P. Kim, “Spin and valley quantum Hall ferromagnetism in graphene.” Nature Physics 8, 550-556 (2012).
Article (Nature Physics, arXiv)
A. F. Young, C. R. Dean, I. Meric, S. Sorgenfrei, H. Ren, K. Watanabe, T. Taniguchi, J. Hone, K.L. Shepard, and P. Kim, “Electronic compressibility of gapped bilayer graphene.” Phys. Rev. B 85, 235-458 (2012).
Article (Physical Review B, arXiv)
2011
C. R. Dean, A. F. Young, P. Cadden-Zimansky, L. Wang, H. Ren, K. Watanabe, T. Taniguchi, P. Kim, J. Hone, K.L. Shepard, “Multicomponent fractional quantum Hall effect in graphene.” Nature Physics 7, 693696 (2011).
Article (Nature Physics, arXiv)
A. F. Young & L. S. Levitov, “Capacitance of graphene bilayer as a probe of layer-specific properties.” Phys. Rev. B 84, 085441 (2011).
Article (Physical Review, arXiv)
2010
C. R. Dean, A. F. Young, I. Meric, C.Lee, L.Wang, S.Sorgenfrei, K. Watanabe, T. Taniguchi, P. Kim, K.L. Shepard, and J. Hone, “Boron nitride substrates for high-quality graphene electronics.” Nature Nanotechnology 5, 722 (2010).
2009
A. F. Young & Philip Kim, “Quantum interference and Klein tunnelling in graphene heterojunctions.” Nature Physics 5, 222 (2009).