22 citations · 83 across the 23 of their papers we have counts for
23 papers
Majorana Fermions in spin up and down electronic complexes in spin-orbit coupled array of semiconductor quantum dots in proximity to -type superconductor and in magnetic field
Mijanur Islam, Mahan Mohseni, Ibsal Assi +2
Semiconductor-s-type superconductor nanowires host spinful fermions and cannot be reduced to a single spinless Kitaev chain hosting single Majorana zero mode. Instead, such systems…
Bilayer graphene quantum dots as a quantum simulator of Haldane topological quantum matter
Daniel Miravet, Hassan Allami, Marek Korkusinski +1
We demonstrate here that a chain of Bilayer Graphene Quantum Dots (BLGQDs) can realize topological quantum matter by effectively simulating a spin-1 chain that hosts the Haldane ph…
Magnetism and hidden quantum geometry in charge neutral twisted trilayer graphene
Alina Wania Rodrigues, Maciej Bieniek, Daniel Miravet +1
Here we present a theory of mirror-symmetric magic angle twisted trilayer graphene. The electronic properties are described by a Hubbard model with long range tunneling matrix elem…
Valley-spin polarization at zero magnetic field induced by strong hole-hole interactions in monolayer WSe
Justin Boddison-Chouinard, Marek Korkusinski, Alex Bogan +9
Monolayer transition metal dichalcogenides have emerged as prominent candidates to explore the complex interplay between the spin and the valleys degrees of freedom. The strong spi…
Designing Majorana Quasiparticles in InAsP Quantum Dots in InP Nanowires with Variational Quantum Eigenvalue Solver
Mahan Mohseni, Iann Cunha, Daniel Miravet +5
This work presents steps toward the design of Majorana zero modes (MZM) in InAsP quantum dots (QD) embedded in an InP semiconducting nanowire in contact with a p-type superconducto…
Theory of excitonic complexes in gated WSe quantum dots
Daniel Miravet, Ludmiła Szulakowska, Maciej Bieniek +2
Single-layer quantum dot gate potential causes type-II band alignment, i.e. electrostatically confines holes and repels electrons, or vice versa. Hence, the confinement of excitons…
Probing the zero energy shell wave functions of triangular graphene quantum dots with broken sublattice symmetry using a localized impurity
Alina Wania Rodrigues, Daniel Miravet, James Lawrence +2
We present here a method of probing the wave functions of a degenerate shell in a triangular graphene quantum dot, triangulene, using a localized substitutional impurity. We demons…
Interacting holes in a gated WSe quantum channel: valley correlations and zigzag Wigner crystal
Jarosław Pawłowski, Daniel Miravet, Maciej Bieniek +5
We present a theory of interacting valence holes in a gate-defined one-dimensional quantum channel in a single layer of a transition metal dichalcogenide material WSe. Based on…
Optical Properties of Gated Bilayer Graphene Quantum Dots with Trigonal Warping
Matthew Albert, Daniel Miravet, Yasser Saleem +4
We determine the optical properties of gated bilayer graphene quantum dots with trigonal warping (TW) of single-particle energy spectra. The lateral structure of metallic gates con…
Two qubit gate with macroscopic singlet-triplet qubits in synthetic spin-one chains in InAsP quantum dot nanowires
Hassan Allami, Daniel Miravet, Marek Korkusinski +1
We present a theory of a two qubit gate with macroscopic singlet-triplet (ST) qubits in synthetic spin-one chains in InAsP quantum dot nanowires. The macroscopic topologically prot…
Electrically Tunable Fine Structure of Negatively Charged Excitons in Gated Bilayer Graphene Quantum Dots
Katarzyna Sadecka, Yasser Saleem, Daniel Miravet +4
We predict here the fine structure of an electrically tunable negatively charged exciton (trion) composed of two electrons and a hole confined in a gated bilayer graphene quantum d…
Atomistic theory of moiré Hofstadter's butterfly in magic-angle graphene
Alina Wania Rodrigues, Maciej Bieniek, Paweł Potasz +4
We present here a Hofstadter's butterfly spectrum for the magic angle twisted bilayer graphene obtained using an ab initio based multi-million atom tight-binding model. We incorpor…
Interacting holes in gated WSe quantum dots
Daniel Miravet, Abdulmenaf Altıntaş, Alina Wania Rodrigues +3
We develop here a theory of the electronic properties of a finite number of valence holes in gated WSe quantum dots, considering the influence of spin, valley, electronic orbit…
Topological design and synthesis of high-spin aza-triangulenes without Jahn-Teller distortions
James Lawrence, Yuanyuan He, Haipeng Wei +8
The atomic doping of open-shell nanographenes enables the precise tuning of their electronic and magnetic state, which is crucial for their promising potential applications in opto…
Majorana excitons in a Kitaev chain of semiconductor quantum dots in a nanowire
Mahan Mohseni, Hassan Allami, Daniel Miravet +3
We present here a theory of Majorana excitons, photo-excited conduction electron-valence band hole pairs, interacting with Majorana Fermions in a Kitaev chain of semiconductor quan…
Time, momentum, and energy resolved pump-probe tunneling spectroscopy of two-dimensional electron systems
H. M. Yoo, M. Korkusinski, D. Miravet +5
Real-time probing of electrons can uncover intricate relaxation mechanisms and many-body interactions hidden in strongly correlated materials. While experimenters have used ultrafa…
Microscopic design of a topologically protected singlet-triplet qubit in an InAsP quantum dot array
Jacob Manalo, Daniel Miravet, Pawel Hawrylak
We present here the steps enabling the microscopic design of a topologically protected singlet-triplet qubit in an InAsP quantum dot array embedded in an InP nanowire. The qubit is…
Ballistic-like Space-charge-limited Currents in Halide Perovskites at Room Temperature
Osbel Almora, Daniel Miravet, Marisé García-Batlle +1
The emergence of halide perovskites in photovoltaics has diversified the research on this material family and extended their application towards several fields in the optoelectroni…
Analytical Model for Light Modulating Impedance Spectroscopy (LIMIS) in All-Solid-State p-n Junction Solar Cells at Open-Circuit
Osbel Almora, Daniel Miravet, Gebhard J. Matt +2
Non-circuit theory drift-diffusion numerical simulation of standard potentiostatic impedance spectroscopy (IS) is a well-known strategy for characterization of materials and electr…
Exact-exchange density functional theory of the integer quantum Hall effect: strict 2D limit
D. Miravet, C. R. Proetto
A strict bidimensional (strict-2D) exact-exchange (EE) formalism within the framework of density-functional theory (DFT) has been developed and applied to the case of an electron g…
Exact Exchange: a pathway for a Density Functional Theory of the Integer Quantum Hall Effect
D. Miravet, G. J. Ferreira, C. R. Proetto
It is shown here that the Exact Exchange (EE) formalism provides a natural and rigorous approach for a Density Functional Theory (DFT) of the Integer Quantum Hall Effect (IQHE). Ap…
Pseudospin anisotropy of trilayer semiconductor quantum Hall ferromagnets
D. Miravet, C. R. Proetto
When two Landau levels are brought to a close coincidence between them and with the chemical potential in the Integer Quantum Hall regime, the two Landau levels can just cross or c…
Coulomb and tunneling coupled trilayer systems at zero magnetic field
D. Miravet, C. R. Proetto, P. G. Bolcatto
The ground-state electronic configuration of three coupled bidimensional electron gases has been determined using a variational Hartree-Fock approach, at zero magnetic field. The l…