Publications

Here you will find a list of some the papers our group has published, roughly in reverse chronological order.

• Electronic Compressibility of Magic-Angle Graphene Superlattices, S.L. Tomarken, Y. Cao, A. Demir, K. Watanabe, T. Taniguchi, P. Jarillo-Herrero, R.C. Ashoori. Physical Review Letters (Editors' Suggestion) 123, 046601 (2019)
• Full Momentum and Energy Resolved Spectral Function of a 2D Electronic System, Joonho Jang, Heun Mo Yoo, Loren Pfeiffer, Ken West, K.W. Baldwin, Raymond Ashoori. Science 358, 6365 (2017)
• Sharp tunnelling resonance from the vibrations of an electronic Wigner crystal, Joonho Jang, Benjamin M. Hunt, Loren N. Pfeiffer, Kenneth W. West & Raymond C. Ashoori. Nature Physics, advance online publication DOI:10.1038/nphys3979 (2016)
• Torque magnetometry of an amorphous-alumina/strontium-titanate interface, S.L. Tomarken, A.F. Young, S.W. Lee, R.G. Gordon, and R.C. Ashoori. Physical Review B (Rapid Communications), 90, 201113(R) (2014)
• Tunable symmetry breaking and helical edge transport in a graphene quantum spin Hall state, A. F. Young, J. D. Sanchez-Yamagishi, B. Hunt, S. H. Choi, K. Watanabe,T. Taniguchi, R. C. Ashoori and P. Jarillo-Herrero. Nature, advanced online publication, Dec. 22nd, 2013.
• Massive Dirac Fermions and Hofstadter Butterfly in a van der Waals Heterostructure, B. Hunt, J. D. Sanchez-Yamagishi, A. F. Young, M. Yankowitz, B. J. LeRoy, K. Watanabe,T. Taniguchi, P. Moon, M. Koshino, P. Jarillo-Herrero, and R. C. Ashoori. Science 340, 1427 (2013).
• Observations of Plasmarons in a Two-Dimensional System: Tunneling Measurements using Time-Domain Capacitance Spectroscopy, O.E. Dial, R.C. Ashoori, L.N. Pfeiffer, and K.W. West, Physical Review B (Rapid Communications), 85, 081306 (2012)
• Coexistence of Magnetic Order and Two-Dimensional Superconductivity at LaAlO₃/SrTiO₃ Interfaces, Lu Li, C. Richter, J. Mannhart, and R.C. Ashoori, Nature Physics 7, 762-766 (2011).
• Very Large Capacitance Enhancement in a Two-Dimensional Electron System, Lu Li, C. Richter, S. Paetel, T. Kopp. J. Mannhart, and R.C. Ashoori, Science 332, 825-828 (2011).
• Anomalous structure in the single particle spectrum of the fractional quantum Hall effect O. E. Dial, R. C. Ashoori, L. N. Pfeiffer, K. W. West, Nature 464, 566-570 (2010).
• High-resolution spectroscopy of two-dimensional electron systems O. E. Dial, R. C. Ashoori, L. N. Pfeiffer, K. W. West, Nature 448 176-179 (2007)
• Imaging Transport Resonances in the Quantum Hall Effect G. A. Steele, R. C. Ashoori, L. N. Pfeiffer, K. W. West, PRL 95 136804 (2005)
• Modeling subsurface charge accumulation images of a quantum Hall liquid S. H. Tessmer, G. Finkelstein, P. I. Glicofridis, and R. C. Ashoori PRB 66 125308 (2002)
• Determination of the resistance across incompressible strips through imaging of charge motion P. I. Glicofridis, G. Finkelstein, and R. C. Ashoori,M. Shayegan PRB 65 121312 (2002)
• Localization in Artificial Disorder: Two Coupled Quantum Dots M. Brodsky, N. B. Zhitenev, R. C. Ashoori, L. N. Pfeiffer, K. W. West, PRL 85 2356 (2000)
• Topographic Mapping of the Quantum Hall Liquid Using a Few-Electron Bubble G. Finkelstein, P. I. Glicofridis, R. C. Ashoori, M. Shayegan, Science 289 90 (2000)
• Imaging of Low Compressibility Strips in the Quantum Hall Liquid G. Finkelstein, P. I. Glicofridis, S. H. Tessmer, R. C. Ashoori, M. R. Melloch, PRB 61 R16323 (2000)
• Tunneling into Ferromagnetic Quantum Hall States: Observation of a Spin Bottleneck H. B. Chan, R. C. Ashoori, L. N. Pfeiffer, K. W. West, PRL 83 3258 (1999)
• Localization-Delocalization Transistion in Quantum Dots N. B. Zhitenev, M. Brodsky, R. C. Ashoori, L. N. Pfeiffer, K. W. West, Science 285 715 (1999)
• Single-electron capacitance spectroscopy of a vertical quantum dots using a single-electron transistor M. Koltonyuk, D. Berman, N. B. Zhitenev, R. C. Ashoori, L. N. Pfeiffer, K. W. West, APL 74 555 (1999)
• Observation of Quantum Fluctuations of Charge on a Quantum Dot D. Berman, N. B. Zhitenev, R. C. Ashoori, M. Shayegen, PRL 82 161 (1999)
• Subsurface charge accumulation imaging of a quantum Hall liquid S. H. Tessmer, P. I. Glicofridis, R. C. Ashoori, L. S. Levitov, and M. R. Melloch, Nature 392 51 (1998)
• Universal Linear Density of States for Tunneling into the Two-Dimensional Electron Gas in a Magnetic Field H. B. Chan, P. I. Glicofridis, R. C. Ashoori, et al., PRL 79 2867 (1997)
• Periodic and Aperiodic Bunching in the Addition Spectra of Quantum Dots N. B Zhitenev, R. C. Ashoori, et. al., PRL 79 2308 (1997)
• Single-electron transistor as a charge sensor for semiconductor applications David Berman, Nikolai B. Zhitenev and Raymond C. Ashoori, Henry I. Smith, Michael R. Melloch, J. Vac. Sci. Technol. B15 2844 (1997)
• New Class of Resonances at the Edge of the Two-Dimensional Electron Gas N. B. Zhitenev, M. Brodsky, and R.C. Ashoori, PRL 77 1833 (1996)
• Electrons in artificial atoms R. C. Ashoori, Nature 379 413 (1996)
• Energy gaps of the two-dimensional electron gas explored with equilibrium tunneling spectroscopy R. C. Ashoori et. al., PRB 48 4616 (1993)
• N-Electron Ground State Energies of a Quantum Dot in Magnetic Field R. C. Ashoori, H. L. Stormer, et. al, PRL 71 613 (1993)
• Single-Electron Capacitance Spectroscopy of Discrete Quantum Levels R.C. Ashoori, H. L. Stormer, et. al., PRL 68 3088 (1992)
• Comment of "Zeeman Bifurcation of Quantum-Dot Spectra" R. H. Silsbee, R. C. Ashoori, PRL 64 1991 (1990)