Publications
Preprints
B. A. Foutty, V. Calvera, Z. Han, C. R. Kometter, S. Liu, K. Watanabe, T. Taniguchi, J. C. Hone, S. A. Kivelson, B. E. Feldman. Anomalous Landau level gaps near magnetic transitions in monolayer WSe2. arXiv: 2401.01486 (2024).
Z. Ji, M. E. Barber, Z. Zhu, C. R. Kometter, J. Yu, K. Watanabe, T. Taniguchi, M. Liu, T. P. Devereaux, B. E. Feldman, Z.-X. Shen. Harnessing excitons at the nanoscale -- photoelectrical platform for quantitative sensing and imaging. arXiv: 2311.04211 (2023).
J. K. Ding, L. Yang, W. O. Wang, Z. Zhu, C. Peng, P. Mai, E. W. Huang, B. Moritz, P. W. Phillips, B. E. Feldman, T. P. Devereaux. Particle-hole asymmetric ferromagnetism and spin textures in the triangular Hubbard-Hofstadter model. arXiv: 2309.07876 (2023).
J. C. Hoke, Y. Li, J. May-Mann, K. Watanabe, T. Taniguchi, B. Bradlyn, T. L. Hughes, B. E. Feldman. Uncovering the spin ordering in magic-angle graphene via edge state equilibration. arXiv: 2309.06583 (2023).
2024
B. A. Foutty, C. R. Kometter, T. Devakul, A. P. Reddy, K. Watanabe, T. Taniguchi, L. Fu, B. E. Feldman. Mapping twist-tuned multiband topology in bilayer WSe2. Science 384, 343-347 (2024).
M. E. Barber, Y. Li, J. Gibson, J. Yu, Z. Jiang, Y. Hu, Z. Ji, N. Nandi, J. C. Hoke, L. Bishop-Van Horn, G. R. Arias, D. J. Van Harlingen, K. A. Moler, Z.-X. Shen, A. Kou, B. E. Feldman. Characterization of two fast-turnaround dry dilution refrigerators for scanning probe microscopy. J. Low Temp. Phys. 215, 1-23 (2024).
2023
J. Yu*, B. A. Foutty*, Y. H. Kwan*, M. E. Barber, K. Watanabe, T. Taniguchi, Z.-X. Shen, S. A. Parameswaran, B. E. Feldman. Spin skyrmion gaps as signatures of strong coupling insulators in magic-angle twisted bilayer graphene. Nat. Commun. 14, 6679 (2023). Highlighted as Editor's Suggestion.
P. Mai, J. Zhao, B. E. Feldman, P. Phillips. 1/4 is the new 1/2 when topology is intertwined with Mottness. Nat. Commun. 14, 5999 (2023). Designated as a research highlight by Science magazine.
C. R. Kometter*, J. Yu*, T. Devakul*, A. P. Reddy, Y. Zhang, B. A. Foutty, K. Watanabe, T. Taniguchi, L. Fu, B. E. Feldman. Hofstadter states and reentrant charge order in a semiconductor moiré lattice. Nat. Phys. 19 1861-1867 (2023). Associated Research Briefing.
B. A. Foutty*, J. Yu*, T. Devakul*, C. R. Kometter, Y. Zhang, K. Watanabe, T. Taniguchi, L. Fu, B. E. Feldman. Tunable spin and valley excitations of correlated insulators in Γ-valley moiré bands. Nat. Mater. 22, 731-736 (2023).
P. Mai, E. W. Huang, J. Yu, B. E. Feldman, Philip Phillips. Interaction-driven spontaneous ferromagnetic insulating states with odd Chern numbers. npg Quantum Mater. 8, 14 (2023).
P. Mai, B. E. Feldman, P. Phillips. Topological Mott insulator at quarter filling in the interacting Haldane model. Phys. Rev. Res. 5, 013162 (2023).
2022
J. Yu, B. A. Foutty, Z. Han, M. E. Barber, Y. Schattner, K. Watanabe, T. Taniguchi, P. Phillips, Z.-X. Shen, S. A. Kivelson, B. E. Feldman. Correlated Hofstadter spectrum and flavour phase diagram in magic-angle twisted bilayer graphene. Nat. Phys. 18, 825-831 (2022).
B. E. Feldman. The preferred direction. Nat. Phys. [News and Views]. 18, 129-130 (2022).
2021
S. A. Parameswan, B. E. Feldman. Quantum Hall valley nematics. J. Phys.: Condens. Matter 31, 273001 (2021).
2019
B. E. Feldman. Squeezing strong correlations from graphene. Science [Perspective]. 363, 1035-1036 (2019).
M. T. Randeria*, K. Agarwal*, B. E. Feldman, H. Ding, H. Ji, R. J. Cava, S. L. Sondhi, S. A. Parameswaran, A. Yazdani. Interacting multi-channel topological boundary modes in a quantum Hall valley system. Nature. 466, 363-367 (2019).
2018
M. T. Randeria*, B. E. Feldman*, F. Wu*, H. Ding, A. Gyenis, H. Ji, R. J. Cava, A. H. MacDonald, A. Yazdani. Ferroelectric quantum Hall phase revealed by visualizing Landau level wavefunction interference. Nat. Phys. 14,790-800 (2018).
A. Gyenis*, B. E. Feldman*, M. T. Randeria*, G. A. Peterson, E. D. Bauer, P. Aynajian, A. Yazdani. Mapping Dimensionality and Directionality of Electronic Behavior in CeCoIn5. Nat. Commun. 9, 549 (2018).
2017
B. E. Feldman*, M. T. Randeria*, J. Li*, S. Jeon, Y. Xie, Z. Wang, I. K. Drozdov*, B. A. Bernevig, A. Yazdani. High-resolution studies of the Majorana atomic chain platform. Nat. Phys. 13, 286-291 (2017).
2016
B. E. Feldman*, M. T. Randeria*, A. Gyenis*, F. Wu, H. Ji, R. J. Cava, A. H. MacDonald, A. Yazdani. Observation of a Nematic Quantum Hall Liquid on the Surface of Bismuth. Science 354, 316-321 (2016).
A. Gyenis, H. Inoue, S. Jeon, B. B. Zhou, B. E. Feldman, Z. Wang, J. Li, S. Jiang, Q. D. Gibson, S. K. Kushwaha, J. W. Krizan, N. Ni, R. J. Cava, B. A. Bernevig, A. Yazdani. Imaging electronic states on topological semimetals using scanning tunneling microscopy. New. J. Phys. 18, 105003 (2016).
M. T. Randeria*, B. E. Feldman*, I. K. Drozdov, A. Yazdani. Scanning Josephson spectroscopy on the atomic scale. Phys. Rev. B 93, 161115 (2016).
P. K. Das, D. Di Sante, I. Vobornik, J. Fujii, T. Okuda, E. Bruyer, A. Gyenis, B. E. Feldman, J. Tao, R. Ciancio, G. Rossi, M. N. Ali, S. Picozzi, A. Yazdani, G. Panaccione, R. J. Cava. Layer-dependent quantum cooperation of electron and hole states in the anomalous semimetal WTe2. Nat. Commun. 7, 10847 (2016).
2015
S. K. Kushwaha, J. W. Krizan, B. E. Feldman, A. Gyenis, M. T. Randeria, J. Xiong, S.-Y. Xu, N. Alidoust, I. Belopolski, T. Liang, M. Z. Hasan, N. P. Ong, A. Yazdani, R. J. Cava. Bulk Crystal Growth and Electronic Characterization of the 3D Dirac Semimetal Na3Bi. APL Mat. 3, 041504 (2015).
2014
S. Jeon, B. B. Zhou, A. Gyenis, B. E. Feldman, I. Kimchi, A. C. Potter, Q. D. Gibson, R. J. Cava, A. Vishwanath, A. Yazdani. Landau Quantization and Quasiparticle Interference in the Three-Dimensional Dirac Semimetal Cd3As2. Nat. Mater. 13, 851-856 (2014).
A. Kou*, B. E. Feldman*, A. J. Levin, B. I. Halperin, K. Watanabe, T. Taniguchi. Electron-Hole Asymmetric Integer and Fractional Quantum Hall Effect in Bilayer Graphene. Science 345, 55-57 (2014).
2013
D. A. Abanin, B. E. Feldman, A. Yacoby, B. I. Halperin. Fractional and integer quantum Hall effects in the zeroth Landau level in graphene. Phys. Rev. B 88, 115407 (2013).
B. E. Feldman, A. J. Levin, B. Krauss, Dmitry A. Abanin, B. I. Halperin, J. H. Smet, A. Yacoby. Fractional Quantum Hall Phase Transitions and Four-flux States in Graphene. Phys. Rev. Lett. 111, 076802 (2013).
2012
B. E. Feldman, B. Krauss, J. H. Smet, A. Yacoby. Unconventional Sequence of Fractional Quantum Hall States in Suspended Graphene. Science 337, 1196-1199 (2012).
2010
J. Martin, B. E. Feldman, R. T. Weitz, M. T. Allen, A. Yacoby. Local Compressibility Measurements of Correlated States in Suspended Bilayer Graphene. Phys. Rev. Lett. 105, 256806 (2010).
R. T. Weitz, M. T. Allen, B. E. Feldman, J. Martin, A. Yacoby. Broken-Symmetry States in Doubly Gated Suspended Bilayer Graphene. Science 330, 812-816 (2010).
C. K. Riley, E. A. Muller, B. E. Feldman, C. M. Cross, K. L. Van Aken, D. E. Johnston, Y. Lu, A. T. Johnson, J. C. de Paula, W. F. Smith. Effects of O2, Xe, and Gating on the Photoconductivity and Persistent Photoconductivity of Porphyrin Nanorods. J. Phys. Chem. C 114, 19227–19233 (2010).
2009
B. E. Feldman, J. Martin, A. Yacoby. Broken-symmetry states and divergent resistance in suspended bilayer graphene. Nat. Phys. 5, 889-893 (2009).