119 citations · 373 across the 17 of their papers we have counts for
17 papers
Plasmon dynamics in graphene
Suheng Xu, Birui Yang, Nishchhal Verma +15
Plasmon are collective oscillations of mobile electrons with dynamics controlled by their charge stiffness("Drude weight"). Using terahertz spacetime metrology, we probe Plasmon dy…
In-plane magnetic response and Maki parameter of alternating-twist multilayers
Igor Vasilevskiy, Miguel Sánchez Sánchez, Khadija Challaouy +3
We analytically study the orbital response of alternating-twist multilayer graphene to an in-plane magnetic field using the unitary transformation introduced by Khalaf et al. [Phys…
Fermi velocity, interlayer couplings, and magic angle renormalization in twisted bilayer graphene
Miguel Sánchez Sánchez, José González, Tobias Stauber
Through extensive self-consistent Hartree-Fock calculations in a tight-binding model of twisted bilayer graphene (TBG), we show that many-body effects lead to a considerable increa…
Flat-band projected versus fully atomistic twisted bilayer graphene
Miguel Sánchez Sánchez, Tobias Stauber
We benchmark the recently proposed projection method [Phys. Rev. B 111, 205133 (2025)] for magic-angle twisted bilayer graphene (MATBG) across various symmetry-breaking phases at c…
High-temperature superconductivity in flat-band sheared bilayer graphene
Jose Gonzalez, Tobias Stauber
We propose a new route to induce flat bands with a strong superconducting instability in graphene bilayers with heteroshear, where the 1D character of the moiré leads to stronger c…
Nonflat bands and chiral symmetry in magic-angle twisted bilayer graphene
Miguel Sánchez Sánchez, José González, Tobias Stauber
In this work, we study an interacting tight-binding model of magic-angle twisted bilayer graphene (MATBG), with a twist angle of . We derive effective theories based on…
Optical response of alternating twisted trilayer graphene
Dionisios Margetis, Guillermo Gómez-Santos, Tobias Stauber
We study the optical response of the alternating twisted trilayer graphene by making use of a unitary transformation for the trilayer Hamiltonian and the Kubo formulation of linear…
Nematic versus Kekulé phases in twisted bilayer graphene under hydrostatic pressure
Miguel Sánchez Sánchez, Israel Díaz, José González +1
We address the precise determination of the phase diagram of magic angle twisted bilayer graphene under hydrostatic pressure within a self-consistent Hartree-Fock method in real sp…
Correlated phases and topological phase transition in twisted bilayer graphene at one quantum of magnetic flux
Miguel Sánchez Sánchez, Tobias Stauber
When the perpendicular magnetic flux per unit cell in a crystal is equal to the quantum of magnetic flux, , we enter the 'Hofstadter regime'. The large unit cell of moiré…
Chirality probe of twisted bilayer graphene in the linear transport regime
Dario A. Bahamon, Guillermo Gómez-Santos, Dmitri K. Efetov +1
We propose minimal transport experiments in the coherent regime that can probe the chirality of twisted moiré structures. We show that only with a third contact and in the presence…
Hyperbolic enhancement of photocurrent patterns in minimally twisted bilayer graphene
Sai S. Sunku, Dorri Halbertal, Tobias Stauber +10
Quasi-periodic moiré patterns and their effect on electronic properties of twisted bilayer graphene (TBG) have been intensely studied. At small twist angle , due to atomic recon…
Marginal Fermi liquid in twisted bilayer graphene
J. González, T. Stauber
Linear resistivity at low temperatures is a prominent feature of high-T superconductors which has also been found recently in twisted bilayer graphene. We show that due to an e…
Mass-profile quantum dots in graphene
A. Gutiérrez-Rubio, T. Stauber
We analyze the bound-state spectra of mass-profile quantum dots in graphene, a system at current experimental reach. Homogeneous perpendicular magnetic fields are also considered w…
Spin-charge separation of plasmonic excitations in thin topological insulators
T. Stauber, G. Gómez-Santos, L. Brey
We discuss plasmonic excitations in a thin slab of a topological insulators. In the limit of no hybridization of the surface states and same electronic density of the two layers, t…
Plasmons and near-field amplification in double-layer graphene
T. Stauber, G. Gómez-Santos
We study the optical properties of double-layer graphene for linearly polarized evanescent modes and discuss the in-phase and out-of-phase plasmon modes for both, longitudinal and…
Tomonaga-Luttinger model with an impurity for a weak two-body interaction
T. Stauber
The Tomonaga-Luttinger model with impurity is studied by means of flow equations for Hamiltonians. The system is formulated within collective density fluctuations but no use of the…
Luttinger liquids with boundaries: Power-laws and energy scales
V. Meden, W. Metzner, U. Schollwoeck +3
We present a study of the one-particle spectral properties for a variety of models of Luttinger liquids with open boundaries. We first consider the Tomonaga-Luttinger model using b…