10.9k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Harvard UniversityUS735 papers
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22 papers · 2 filters
Polaron catastrophe within quantum acoustics
Alhun Aydin, Joonas Keski-Rahkonen, Anton M. Graf +4
The quantum acoustic framework has recently emerged as a non-perturbative, coherent approach to electron-lattice interactions, uncovering rich physics often obscured by perturbativ…
Variational Scarring in Graphene Quantum Dots
J. Keski-Rahkonen, C. Zou, A. M. Graf +4
A quantum eigenstate of a classically chaotic system is referred as scarred by an unstable periodic orbit if its probability density is concentrated in the vicinity of that orbit.…
Formation, prevalence, and stability of bouncing-ball quantum scars
Simo Selinummi, Joonas Keski-Rahkonen, Fartash Chalangari +1
Quantum scars correspond to enhanced probability densities along unstable classical periodic orbits. In recent years, research on quantum scars has extended to various systems incl…
Single-particle spectral function of fractional quantum anomalous Hall states
Fabian Pichler, Wilhelm Kadow, Clemens Kuhlenkamp +1
Fractional quantum Hall states are the most prominent example of states with topological order, hosting excitations with fractionalized charge. Recent experiments in twisted $\text…
Tuning transport in solid-state Bose-Fermi mixtures by Feshbach resonances
Caterina Zerba, Clemens Kuhlenkamp, Léo Mangeolle +1
Transition metal dichalcogenide (TMD) heterostructures have emerged as promising platforms for realizing tunable Bose-Fermi mixtures. Their constituents are fermionic charge carrie…
Tunable atomically enhanced moiré Berry curvatures in twisted triple bilayer graphene
Konstantin Davydov, Ziyan Zhu, Noah Friedman +8
We report a twisted triple bilayer graphene platform consisting of three units of Bernal bilayer graphene consecutively twisted at 1.49° and 1.68°. We demonstrate the atomic recons…
Instability of the engineered dark state in two-band fermions under number-conserving dissipative dynamics
A. A. Lyublinskaya, P. A. Nosov, I. S. Burmistrov
Correlated quantum many-body states can be created and controlled by the dissipative protocols. Among these, particle number-conserving protocols are particularly appealing due to…
Symmetry-broken metallic orders in spin-orbit-coupled Bernal bilayer graphene
Jin Ming Koh, Alex Thomson, Jason Alicea +1
We explore Bernal bilayer graphene in the presence of long-range Coulomb interactions, short-range Hund's coupling, and proximity-induced Ising spin-orbit coupling using self-consi…
Flat and tunable moire phonons in twisted transition-metal dichalcogenides
Alejandro Ramos-Alonso, Benjamin Remez, Daniel Bennett +2
Displacement fields are one of the main tuning knobs employed to engineer flat electronic band dispersions in twisted van der Waals multilayers. Here, we show that electric fields…
Plasmonic polarization sensing of electrostatic superlattice potentials
Shuai Zhang, Jordan Fonseca, Daniel Bennett +15
Plasmon polaritons are formed by coupling light with delocalized electrons. The half-light and half-matter nature of plasmon polaritons endows them with unparalleled tunability via…
Theory of Generalized Landau Levels and Implication for non-Abelian States
Zhao Liu, Bruno Mera, Manato Fujimoto +2
Quantum geometry is a fundamental concept to characterize the local properties of quantum states. It is recently demonstrated that saturating certain quantum geometric bounds allow…
Quantum Hall interferometry at finite bias with multiple edge channels
Zezhu Wei, D. E. Feldman, Bertrand I. Halperin
In a quantum Hall interferometer, the dependence of the signal on source-drain voltage is controlled by details of the edge physics, such as the velocities of edge modes and the in…
Chaos-Assisted Dynamical Tunneling in Flat Band Superwires
Anton Marius Graf, Ke Lin, MyeongSeo Kim +3
Recent theoretical investigations have revealed unconventional transport mechanisms within high Brilliouin zones of two-dimensional superlattices. Electrons can navigate along chan…
Polarization textures in crystal supercells with topological bands
Wojciech J. Jankowski, Daniel Bennett, Aneesh Agarwal +2
Two-dimensional materials are a highly tunable platform for studying the momentum space topology of the electronic wavefunctions and real space topology in terms of skyrmions, mero…
Adiabatic Approximation and Aharonov-Casher Bands in Twisted Homobilayer TMDs
Jingtian Shi, Nicolás Morales-Durán, Eslam Khalaf +1
Topological flat moiré bands with nearly ideal quantum geometry have been identified in homobilayer transition metal dichalcogenide moiré superlattices, and are thought to be cruci…
Epitaxially defined Luttinger liquids on MoS bicrystals
Bingchen Deng, Heonsu Ahn, Jue Wang +11
A mirror twin boundary (MTB) in a transition metal dichalcogenide (TMD) monolayer can host one-dimensional electron liquid of a topological nature with tunable interactions. Unfort…
Higher vortexability: zero field realization of higher Landau levels
Manato Fujimoto, Daniel E. Parker, Junkai Dong +3
The rise of moiré materials has led to experimental realizations of integer and fractional Chern insulators in small or vanishing magnetic fields. At the same time, a set of minima…
Heat-charge separation in a hybrid superconducting quantum Hall setup
Carlo Panu, Fabio Taddei, Marco Polini +1
Separating heat from charge in a material is an extremely challenging task since they are transported by the very same carriers, i.e. electrons or holes. In this Letter we show tha…
Current Induced Hidden States in Josephson Junctions
Shaowen Chen, Seunghyun Park, Uri Vool +8
Josephson junctions enable dissipation-less electrical current through metals and insulators below a critical current. Despite being central to quantum technology based on supercon…
Strongly coupled edge states in a graphene quantum Hall interferometer
Thomas Werkmeister, James R. Ehrets, Yuval Ronen +9
Electronic interferometers using the chiral, one-dimensional (1D) edge channels of the quantum Hall effect (QHE) can demonstrate a wealth of fundamental phenomena. The recent obser…
Nanoscale Conducting and Insulating Domains on YbB
Aaron Coe, Zhi-Huai Zhu, Yang He +4
YbB is a predicted topological insulator, with experimental evidence for conducting surface states of yet-unproven origin. However, its lack of a natural cleavage plane, and re…
Magneto-Thermoelectric Transport in Graphene Quantum Dot with Strong Correlations
Laurel E. Anderson, Antti Laitinen, Andrew Zimmerman +7
Disorder at the etched edges of graphene quantum dots (GQD) enables random all-to-all interactions between localized charges in partially-filled Landau levels, providing a potentia…