19 citations · 93 across the 21 of their papers we have counts for
21 papers
Thermodynamic bound on the Fano factor of a coherent thermoelectric heat engine
Nahual Sobrino, Rosario Fazio, Matteo Acciai
We show that for fermionic coherent thermoelectric transport, selecting heat-engine operation yields a thermodynamic uncertainty relation for the charge current that imposes a univ…
Spectral and transmission properties of multiple correlated quantum dots made simple
Nahual Sobrino, Stefan Kurth
Steady-state density functional theory, called i-DFT, is employed to compute spectral and transmission properties of general interacting nanoscale regions coupled to electronic res…
Current precision in interacting hybrid Normal-Superconducting systems
Nahual Sobrino, Fabio Taddei, Rosario Fazio +1
We study Andreev-mediated transport and current fluctuations in interacting normal-superconducting quantum-dot systems. Using a generalized master equation based on real-time diagr…
Thermoelectric properties of interacting double quantum dots
Nahual Sobrino
We investigate the thermoelectric transport properties of an interacting parallel double quantum dot in the Coulomb-blockade regime. Building on an analytical solution based on an…
Quantum thermodynamic uncertainty relation and macroscopic superconducting coherence
Franco Mayo, Nahual Sobrino, Rosario Fazio +2
Stability and efficiency are mutually exclusive in a thermodynamic process, e.g. in a thermal machine. Any effort to reduce the fluctuations of a certain output quantity is necessa…
A Useful Metric for the NISQ Era: Qubit Error Probability and Its Role in Zero Noise Extrapolation
Nahual Sobrino, Unai Aseginolaza, Joaquim Jornet-Somoza +1
Accurate assessment and management of errors is indispensable for extracting useful results from noisy intermediate-scale quantum (NISQ) devices. In this work, we propose the qubit…
Analytic approach to thermoelectric transport in double quantum dots
Nahual Sobrino, David Jacob, Stefan Kurth
A recently proposed analytical solution for the equations of motion of the one-body Green function of the double quantum dot is extended to the out-of-equilibrium situation. By sol…
Fully analytical equation of motion approach for the double quantum dot in the Coulomb blockade regime
Nahual Sobrino, David Jacob, Stefan Kurth
A fully analytical approach based on the equation of motion technique to investigate the spectral properties and orbital occupations in an interacting double quantum dot in equilib…
Demonstrating Kondo behavior by temperature-dependent scanning tunneling spectroscopy
Elia Turco, Markus Aapro, Somesh C. Ganguli +9
The Kondo effect describes the scattering of conduction electrons by magnetic impurities, manifesting as an electronic resonance at the Fermi energy with a distinctive temperature…
What can lattice DFT teach us about real-space DFT?
Nahual Sobrino, David Jacob, Stefan Kurth
In this paper we establish a connection between density functional theory (DFT) for lattice models and common real-space DFT. We consider the lattice DFT description of a two-level…
Thermoelectric efficiency in multiterminal quantum thermal machines from steady-state density functional theory
Nahual Sobrino, Roberto D'Agosta, Stefan Kurth
The multi-terminal generalization of the steady-state density functional theory for the description of electronic and thermal transport (iq-DFT) is presented. The linear response r…
Error estimation in current noisy quantum computers
Unai Aseguinolaza, Nahual Sobrino, Gabriel Sobrino +2
One of the main important features of the noisy intermediate-scale quantum (NISQ) era is the correct evaluation and consideration of errors. In this paper, we analyze the main sour…
Level occupation switching with density functional theory
Nahual Sobrino, David Jacob, Stefan Kurth
The charge transport properties of zero-temperature multi-orbital quantum dot systems with one dot coupled to leads and the other dots coupled only capacitatively are studied withi…
Parameter and asymptotics of -norms of hypergeometric orthogonal polynomials
Nahual Sobrino, J. S. Dehesa
The three canonical families of the hypergeometric orthogonal polynomials (Hermite, Laguerre and Jacobi) control the physical wavefunctions of the bound stationary states of a grea…
Algebraic -norms and complexity-like properties of Jacobi polynomials-Degree and parameter asymptotics
Nahual Sobrino, Jesus S. Dehesa
The Jacobi polynomials conform the canonical family of hypergeometric orthogonal polynomials (HOPs) with the two-parameter weight function $(1-x)^α(1+x)^β, α…
Complexity-like properties and parameter asymptotics of -norms of Laguerre and Gegenbauer polynomials
Jesús S. Dehesa, Nahual Sobrino
The main monotonic statistical complexity-like measures of the Rakhmanov's probability density associated to the hypergeometric orthogonal polynomials (HOPs) in a real continuous v…
Thermoelectric transport within density functional theory
Nahual Sobrino, Florian Eich, Gianluca Stefanucci +2
A new formalism to describe steady-state electronic and thermal transport in the framework of density functional theory is presented. A one-to-one correspondence is proven between…
Exchange-correlation potentials for multi-orbital quantum dots subject to generic density-density interactions and Hund's rule coupling
Nahual Sobrino, Stefan Kurth, David Jacob
By reverse-engineering from exact solutions we obtain Hartree-exchange-correlation (Hxc) potentials for a double quantum dot subject to generic density-density interactions and Hun…
Analytical Shannon information entropies for all discrete multidimensional hydrogenic states
Irene V. Toranzo, David Puertas-Centeno, Nahual Sobrino +1
The entropic uncertainty measures of the multidimensional hydrogenic states quantify the multiple facets of the spatial delocalization of the electronic probability density of the…
Steady-state density functional theory for thermoelectric effects
Nahual Sobrino, Roberto D'Agosta, Stefan Kurth
The recently proposed density functional theory for steady-state transport (i-DFT) is extended to include temperature gradients between the leads. Within this framework, a general…
Non-equilibrium spectral functions from multi-terminal steady-state density functional theory
Stefan Kurth, David Jacob, Nahual Sobrino +1
Multi-terminal transport setups allow to realize more complex measurements and functionalities (e.g., transistors) of nanoscale systems than the simple two-terminal arrangement. He…