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)