Project MASSS – Marie-Sklodowska Curie Action by Leandro Tosi
About Me
Hello! My name is Leandro Tosi, I'm an Argentinian physicist born in December 1986. I got my physics degree from Balseiro Institute in Argentine and did my PhD under the supervision of Armando Aligia and Hernán Pastoriza in Bariloche. I have been running a Marie-Sklodowska Curie Action from Dec 2016 to Dec 2018 in the Quantronics Group. Here you can learn about me, my publications, my past activities and other interests.
Basic Data
Date of Birth: December 1st, 1986 || Nationality: Argentinian
e-mail: tosi.lea@gmail.com // leandro.tosi@cea.fr
Professional
2016-present |
Postdoc at Quantronics Group in Service de Physique de l’Etat Condensé (SPEC), CEA, France. Work on the spin properties of Andreev States. Project: “Manipulation of a Single Spin in a Superconductor” with founding from Marie-Sklodowska Curie Fellowship. |
2015-2016
|
Postdoc at Laboratoire de Physique de Solides, Centre des Sciences Nucléaires et Sciences de la Matière (CSNSM), Université de Paris-Sud, Orsay, France. Work in the Group of Hélène le Sueur in the development of low temperature quantum detectors for Astrophysics applications. |
Education
PhD in Physics (Apr 2011-Jun 2015) |
Degree obtained at Instituto Balseiro, Bariloche, Argentina. PhD: “Interference and electron-phonon coupling in the transport properties of strongly correlated nanoscopic systems”. Awards: Honorific mention from the thesis evaluation board for the effort in developing experimental physics and doing high-quality theoretical contributions. |
Master of Science in Physics (Aug 2009-Dec 2010) |
MSc Degree obtained in December 2010 at Instituto Balseiro, Bariloche, Argentina. MSc Thesis: Transport through nanoscopic systems out of equilibrium. |
Bachelor of Science in Physics (Apr 2004-Dec 2009) |
BSc Degree obtained in December 2009 at Instituto Balseiro, Bariloche, Argentina. BSc Dissertation: Many-Body Problems Out of Equilibrium. |
Scholarships
2016-2018 |
Grant from Marie Skłodowska-CurieActions (H2020-MSCA-IF-2015) from the 1st December 2016. |
2011-2015 |
CONICET (National Research Council) to obtain PhD in Physics at Instituto Balseiro, Bariloche, Argentina. |
2007-2010 |
Comisión Nacional de Energía Atómica (Presidence of the Argentinian Nation) to obtain the Master of Science Degree at Instituto Balseiro, Bariloche, Argentina. |
Publications
18 articles in peer-reviewed journals, 8 as first author, 147 citations (without self-citations), h-index=9 (Source: Web of Science, 14/09/2018)
2019 |
Spin-orbit splitting of Andreev States revealed by microwave spectroscopy L. Tosi, C. Metzger, M. Goffman, H. Pothier and C. Urbina, S. Park and A. L. Yeyati, J. Nygard and P. Krogstrup, Phys. Rev. X 9 011010 (2019). |
2017 |
Realization of a Quantum Detector based on the Cooper Pair Box L. Tosi, D. Vion and H. Le Sueur – arxiv:1711.08758– submitted to Phys Rev Applied |
2016 |
Replicas of the Kondo peak due to electron-vibration interaction in molecular transport properties |
2015 |
Coherent Manipulation of Andreev States in superconducting atomic contacts |
|
Restoring the SU(4) Kondo regime in a double quantum dot system |
2014 |
Multiple First Order Transitions in Cr Thin Films |
|
Superconducting atomic contacts inductively coupled to a microwave resonator |
2013 |
Orbital Kondo spectroscopy in a double quantum dot system |
|
On the origin of the low temperatures resistivity minimum in Cr thin films |
|
Nonequilibrium transport through magnetic vibrating molecules |
2012 |
Barkhausen-type noise in the resistance of antiferromagnetic Cr thin films |
|
Thermopower of an SU(4) Kondo resonance under an SU(2) symmetry-breaking field |
|
Nonequilibrium conductance through a benzene molecule in the Kondo regime |
|
Effects of spin density wave quantization on the electrical transport in epitaxial Cr thin films |
|
Superconducting quantum point contacts |
|
Transition between SU(4)-SU(2) Kondo effect |
|
Out of equilibrium Anderson model: Conductance and Kondo temperature |
2011 |
Interplay between quantum interference and Kondo effects in nonequilibrium transport through nanoscopic systems |
|
Effects of vertex corrections on diagrammatic approximations applied to the study of transport through a quantum dot |
|
Spin selective transport through Aharonov-Bohm and Aharonov-Casher triple quantum dot systems |
Exchange Activities
2018-October; Autonomus University Madrid, Spain: To reinforce the collaboration with collegues Alfredo Levi Yeyaty and Sunghun Park and work on the writing of an article in common.
2018-August; Optical Properties Laboratory, Centro Atómico Bariloche, CNEA, Argentine: To work on the theory of a experiment on “Andreev Bound States in InAs Nanowires”. 1 month stay. Researchers in charge: Andres Reynoso, Axel Bruchhausen and Alex Feinstein.
2017-Oct-November: Visitor at Michel Devoret’s Lab in Yale, New Heaven to collaborate on project about Andreev State spectroscopy in semiconductor nanowires. Visitor at Will Oliver’s Group and Pablo Jarillo Herrero both in MIT, Boston and at Jason Petta’s Group in Princeton University.
2012-Sept; 2013-Sept; 2014-Sept: Quantronics Group, SPEC, CEA-Saclay, France: In the context of binational collaboration Project ECOS “Etats liés d’Andreev et de Majorana dans les circuits hybrides supraconducteurs” between Argentina-France. Researchers in charge: Cristian Urbina, Hugues Pothier and Marcelo Goffman.
2011-Jan-March: Quantronics Group, SPEC, CEA-Saclay, France: Three months internship on the physics of Andreev Bound States in atomic contacts. Under the supervision of Cristian Urbina.
2010-Mar-Jul: Invited Exchange in the Condensed Matter Group, Physics Dept. at Centro Atómico Constituyentes, Buenos Aires, Argentina: Development of skills in the use of the numerical calculation technique Non-crossing approximation with Pablo Roura Bas.
2010-Feb: Working Experience Stage-in-Service Training at Low Temperatures Laboratory, Centro Atómico Bariloche, Bariloche, Argentina. Experimental work and development of skills in the use of magnetic decoration technique for the imaging of vortices in superconducting materials. Advisor: Yanina Fasano.
Invited Talks/Posters
2019 talk | Spin-orbit splitting of Andreev States revealed by microwave spectroscopy, APS March Meeting, Boston, USA. |
2018 poster |
Spin-orbit splitting of Andreev States revealed by microwave spectroscopy, PIRE Conference, Pittsburgh, USA. |
2018 poster |
Spin-orbit in InAs nanowires revealed by Andreev State Spectroscopy. Quantum Designer Conference, San Sebastian, Spain. |
2018 talk |
Dynamic of Quasiparticles in Andreev States. Spring Meeting of German Physics Society. Berlin |
2017 talk |
Dynamic of Quasiparticles in Andreev States. GDR Meeting, Aussois, France. |
2017 talk |
Dynamic of Quasiparticles in Andreev States, Beyond Majorana Fermions Conference in New Heaven, USA |
2017 talk |
Are odd parity states in an Andreev Quantum Dot always a nuisance?, Majorana States in Condensed Matter: Towards Topological Quantum Computation, May 2017, Mallorca, Spain |
2016 poster |
Quasiparticle Dynamics in a hybrid Cooper Pair Box, GDR Physique Quantique Mesoscopique – Dec 2016, Aussois, France. |
2016 talk |
Quasiparticle Dynamics in a hybrid Cooper Pair Box, Frontiers in Physical Science– Dec 2016, Buenos Aires, Argentina. |
2015 talk |
Towards quantum transport experiments in Bariloche, XV Workshop on Surfaces and Nanostructured Materials NANO 2015, Rosario, Argentina. |
2014 poster |
Multiple first order transitions in Cr thin films, 27th International Conference on Low Temperature Physics (LT27) 6-13 August 2014, Buenos Aires, Argentina. |
2011 poster |
Non equilibrium transport of the 2-level Anderson Model, Pablo Roura-Bas, L. Tosi and A. A. Aligia. Autumn College on Non-Equilibrium Quantum Systems, 2-13 May 2011, Departamento de Fisica, FCEyN, Buenos Aires, Argentina. |
poster |
Vertex Corrections’ effects on diagrammatic approximations applied to the study of transport through a quantum dot. XII Giambiagi School, Departamento de Fisica FCEyN Universidad de Buenos Aires, Buenos Aires, Argentina. |
2010 poster |
Transition between SU(4)-SU(2) Kondo effect. Frontiers of Condensed Matter V, Dpto. Materia Condensada Laboratorio Tandar, Centro Atómico Constituyentes, Capital Federal, Argentina. |
poster |
1/2-spin Anderson model out of equilibrium: conductance and Kondo temperature, Frontiers of Condensed Matter V, Dpto. Materia Condensada Laboratorio Tandar, Centro Atómico Constituyentes, Capital Federal, Argentina. |
Teaching Activity
Lecturer
2018 |
School on quantum materials and workshop on vortex behavior in unconventional superconductors - Braga (Portugal) – 7-12 October, 2018. |
2018 |
Lectures on Mesoscopic Superconductivity- Bariloche (Argentine) – August 2018. |
Tutor in Physics at ESPCI (École Supérieure de Physique et de Chimie Industrielles de la Ville de Paris):
2018 |
Mars-June: Solid State Physics. |
2017 |
Mars-June: Solid State Physics. |
Teaching Assistant at Instituto Balseiro, Bariloche:
2015 |
June-July: Introduction to Quantum Mechanics and Solid State Physics. |
2014 |
August-December:Experimental Physics I. |
|
Feb-July:Phenomenology in Condensed Matter II: Transport and Superconductivity. |
2013 |
August-December:Statistical Mechanics. |
|
October:Transport in nanostructures, and Devices, J. A. Balseiro School “Electrons, light and sound in nanostructures: from concepts to devices”. |
|
Feb-JulyElectromagnetism. |
2012 |
August-December:Statistical Mechanics. |
|
Feb-JulyElectromagnetism. |
2011 |
October: Electrons and Phonons, Growing and Characterization of thin films, Semi-classic transport theory, J. A. Balseiro School ”Experimental Techniques in Condensed Matter”. |
|
August-December:Statistical Mechanics. |
2010 |
August-December:Statistical Mechanics. |
Other:
2006 |
Highschool Substitute Teacher of General Physics. Colegio del Sol (Tucumán, Argentina). |
2005 |
Highschool Teacher of General Physics in Special Course for Advanced Students. Colegio del Sol & Colegio Pablo Apóstol (Tucumán, Argentina). |
2004 |
Highschool Teaching Assistant of General Physics. Colegio del Sol (Tucumán, Argentina). |
Dissemination Activities
2018 | Participation of the Workshop "Atelier des Bourses Individuelles" organised by Université Paris-Saclay. |
2017 |
Participation of Fête de la Science at Optics Institute, France |
2016 |
Participation in Fête de la Science at Orsay University, France |
2014 |
Seminar on “Physics at Low Temperatures” destined to a wide audience at Centro Atómico Bariloche Exposition, Bariloche, Argentina. |
2013 |
Seminar “Transport through nanoscopic systems” given to high-school students in Viedma, Río Negro, Argentina in the context of the program “Nanotechnologists for one day 2013” organized by the Fundación Nacional de Nanotecnología and the National Education Ministry. |
|
Seminar on “Physics at Low Temperatures” destined to a wide audience given at Espacio Explora from Fundación Solydeus in the 39th Book International Fair, Capital Federal, Argentina. |
|
Seminar on “Physics at Low Temperatures” destined to a wide audience at Centro Atómico Bariloche Exposition, Bariloche, Argentina. |
2012 |
Seminar on “Physics at Low Temperatures” destined to a wide audience at Centro Atómico Bariloche Exposition, Bariloche, Argentina. |
2011 |
Seminar on “Physics at Low Temperatures” destined to a wide audience given at Espacio Explora from Fundación Solydeus in the 37th Book International Fair, Capital Federal, Argentina. |
2010 |
Seminar on “Transport through nanoscopic systems” given to high-school students at Colegio Pablo Apóstol (Yerba Buena) and Colegio del Sol (S.M.de Tucumán), Tucumán, Argentina. |
|
Seminar on “Physics at Low Temperatures” destined to a wide audience given at Espacio Explora from Fundación Solydeus in the 36th Book International Fair, Capital Federal, Argentina. |
Other Activities
Highschool Teachers Formation on Experimental Physics: Organization of the Formation Course: “Electricity – Electrical Circuits” (Theoretical-Experimental). Made in collaboration with the Mathematics, Astronomy and Physics Dept. from Cordoba National University, Argentine. Course given at Col. Pablo Apostol (Tucuman, Argentina). 2006.
State Physics Olympiads:Creation of the organization: OPF (Olimpiadas Provinciales de Física), responsible for the realization of State Physics Olympiads, for the formation of teachers in experimental physics aspects and on the motivation of high-school students towards the study of Physics and Science. 2005-2006.
Ist Exposition of Distinguished Educational Productions:Invited Speaker as recognition of the participation in Phys. Olympiads during 2004. Tucuman, April, 2005.
National Physics Olympiads:Participation in National Phys. Olympiads for five consecutive years (2000-2004). Highlights: 3rd place (2002 and 2004) & Honorific Mention (2003).