Curriculum Vitae

I work on theoretical problems connected to the physics of strongly correlated electron systems, in particular cuprates and pnictides High-Tc superconductors. Nowadays I am a Post Doc at SISSA – International School of Advanced Studies.

Laura

My CV in detail:
Born in Rome in November 20, 1984

Scientific Career

June 2015-onwards : Postdoctoral Researcher at the Condensed matter group of the SISSA/ISAS (International School of Advanced Studies), Trieste.

November 2012-May 2015 : Postdoctoral Researcher at the Department of Theory and Simulation of Materials of the ICMM – CSIC (Instituto de Ciencia de Materiales de Madrid  del Consejo Superior de Investigaciones Cientıficas), Madrid, Spain.

Academic Degrees

2013
Ph.D. in Physics (Condensed Matter Theory Group) University of Rome “Sapienza”.
“Transport properties in multichannel systems”. Supervised by Dr. Lara Benfatto, Prof. Claudio Castellani. Ph.D. Defense on the 7th of February 2013.

2009
Master in Physics with full marks and honor University of Rome “Sapienza”.
“Paraconductivity in multiband systems”. Supervised by Prof. Marco Grilli, Prof. Sergio Caprara.

2006
First-class honours degree in Physics with full marks and honor University of Rome “Sapienza”.
“Rotational Brownian Motion: from Einstein theory to dielectric relaxation”. Supervised by Prof. Massimo Falcioni, Dr. Marco Valli.

Grants and Awards

2016 ICAM Junior travel award
CMP in the City 2016 Summer Program participation

2015 Member Spanish National Project Grant 2015-2017
Electronic correlations and topology of multiorbital systems
PIs: E. Bascones, B. Valenzuela
Funding: Ministerio de Economia y Competitividad – 27.000 €

2015 Post-doctoral Fellow
Orbital Physics and electronic correlations effects in organic superconductors and iron-
based materials
Funding: CNR and Cariplo Fondation – 25.500 €

2013 Post-doctoral Fellow
Role of the orbital and magnetic degrees of freedom in iron based superconductors
Funding: University of Rome “Sapienza” fellowship for scientific training in a foreign country – 15.500€

Participation to Events with limited number of partecipants

Workshops:

Kavli Institute for Theoretical Physics Program,
Intertwinned Order and Fluctuations in Quantum Materials
Santa Barbara (CA, Usa), September 11 – 29, 2017

CMP in the City 2016,
Summer Programme Condensed Matter Physics,
London (UK), July 4 – 8, 2016

Kavli Institute for Theoretical Physics Program,
Magnetism, Bad Metals and Superconductivity: Iron Pnictides and Beyond,
Santa Barbara (CA, Usa), October 13 –  31, 2014

DFG Priority Program 2012,
Superconductivity in Iron-based compounds,
Munich (Germany), March 21 – 23, 2012.

Schools:

• ICTP School & Workshop 2015,
Strongly Correlated Electronic Systems – Novel Materials and Novel Theories,
Trieste (Italy), August 10 – 21, 2015.

• BOULDER School for Condensed Matter and Materials 2014,
Modern Aspects of Superconductivity,
Boulder (CO, Usa), June 30 – July 25, 2014.

• ICMM Course 2013,
Emergence of Quantum Phases in Novel Materials: Round of Lectures,
Madrid (Spain), October-November, 2013.

• STEP 2013,
Summer School on Superconductivity – Theory, Experiments, and Phenomena,
Carg´ese (France), August 5 – 17, 2013.

• ICTP School & Workshop 2012,
Innovations in Strongly Correlated Electronic Systems,
Trieste (Italy), August 6 – 17 , 2012.

• MULTIORB 2011,
Summer School on Multiband and Multiorbital Effect in Novel Materials,
Cargese (France), August 1 – 13, 2011.

• ICMP SChool 2010,
ICTS School of the Condensed Matter Programme 2010,
Mysore (India), December 12 – 23, 2010.

Talks at Conferences and Research Institutions

Upcoming:

[23.] TBA, M2S 2018,
International Conference on Materials and Mechanisms of Sperconductivity
Beijing (China), August 2018 (invited)

[22.] TBA, Keynote Speaker ETSF-YRM 2018,
Young Researchers’ Meeting of the European Theoretical Spectroscopy Facility
Hamburg (Germany), June 2018 (invited)

[21.] Orbital Selectivity from high and low-energy scales: the key feature of Iron-based supercondutors physics,
MultiSuper, Multi-Condensate Superconductivity and Superfluidity in Solids and Ultracold Gases
Trieste (Italy), May 2018 (invited)

Past:

[20.] Modeling Complexity: Theoretical Approaches to multiorbital correlated systems [pdf]
UF University of Florida, Colloquium,
Gainesville (FL, Usa), February 12, 2018 (invited)

[19.] Hund’s physics in Iron-Based Superconductors
Hole-doped iron based superconductors, IFW miniworkshop,
Dresden (Germany), January 19, 2018 (invited)

[18.] Orbital Selectivity: Exploring the Phase Diagram of Iron-Based Superconductors
ParisEdge 2017, Cutting-Edge Topics in Quantum Materials
Paris (France), October 17, 2017

[17.] Orbital Selective Physics of Iron-Based Superconductors
FisMat 2017, Italian National Conference on the Physics of Matter
Trieste (Italy), October 3, 2017

[16.] Orbital Selectivity of Iron-Based Superconductors: a strong and weak-correlated perspective
Intertwined Order and Fluctuations in Quantum Material, KITP Program 2017,
Santa Barbara (CA, Usa), September 28, 2017

[15.] Orbital Selectivity of Iron-Based Superconductors: a strong and weak-correlated perspective
SuperFluctuations 2017, Fluctuations and Highly Non Linear Phenomena in
Superfluids and Superconductors
San Benedetto del Tronto (Italy), September 7, 2017 (invited)

[14.] Orbital Selectivity and Hund’s Physics Iron-Based Superconductors
SCES’17, International Conference on strongly correlated electron systems,
Prague (Czech Republic), July 21, 2017

[13.] Orbital Selectivity in the nematic phase of Iron-Based Superconductors: strong and weak-correlated perspectives
Superstripes 2017, Quantum physics in Complex Matter,
Ischia (Italy), June 9, 2017 (invited)

[12.] Orbital Selectivity of Iron-Based Superconductors emerging from strong and weak-correlated approaches
Instituto de Ciencia de Materiales de Madrid, CSIC,
Madrid (Spain), May 30, 2017 (invited)

[11.] Orbital Selectivity and Hund’s Physics in Iron-Based Superconductors
What about U? , Effects of Hubbard Interactions and Hund’s Coupling in Solids,
Trieste (Italy), October 21, 2016

[10.] Orbital Selectivity and Hund’s Physics in Iron-Based Superconductors
NGSCES 2016, The New Generation in Strongly Correlated Electron Systems 2016,
Trieste (Italy), September 30, 2016 (invited)

[9.] The role of Hund’s coupling in the nematicity of Iron Superconductors
SuperFOx – III Conference on Superconductivity and Functional Oxides,
Turin (Italy), September 21, 2016

[8.] Hund’s physics in Iron-Based Superconductors
7thHTC London Summer Program – Condensed Matter Physics,
London (UK), July 8, 2016

[7.] Spin orbital interplay and topology in the nematic phase of iron pnictides
Instituto de Ciencia de Materiales de Madrid, CSIC,
Madrid (Spain), January 15, 2015

[6.] Interplay between spin orbital degrees of freedom and topology in the nematic phase of iron pnictides
Department of Physics & Astronomy, CSU Long Beach
Long Beach (CA, Usa), October 31, 2014 (invited)

[5.] Microscopic nematicity in iron superconductors coupling of the spin/orbital degrees of freedom and topology
SuperFOx, II Conference on Superconductivity and Functional Oxides,
Rome (Italy), September 25, 2014

[4.] Unconventional Hall effect in pnictides
NGSCES 2013, The New Generation in Strongly Correlated Electron Systems 2013,
Sestri Levante (Italy), July 2, 2013

[3.] Current-current Fermi-liquid in underdoped cuprates
Institut f¨ur Theorie der Kondensierten Materie, KIT,
Karlsruhe (Germany), April 11, 2013 (invited)

[2.] Transport properties in multichannel systems
Instituto de Ciencia de Materiales de Madrid, CSIC,
Madrid (Spain), November 29, 2012 (invited)

[1.] Unconventional Hall effect in pnictides from interband interactions
SuperFOx, I Conference on Superconductivity and Functional Oxides,
Como (Italy), June 20, 2012

Poster Contributions

[18] What about U?,
Effects of Hubbard Interactions and Hund’s Coupling in Solids
Trieste (Italy), October 17 – 21, 2016

[17] SuperFOx,
III Conference on Superconductivity and Functional Oxides,
Turin (Italy), September 19 – 21, 2016

[16] SNS 2016,
Spectroscopies in Novel Superconductors,
Stuttgartt/Ludwigsburg (Germany),  June 19 – 24, 2016.

[15] LEES 2016,
International Conference on Low-Energy Electrodynamics in Solids,
Moriyama, Shiga (Japan), May 29 – June 3, 2016.

[14] ICTP School & Workshop 2015,
Strongly Correlated Electronic Systems – Novel Materials and Novel Theories,
Trieste (Italy), August 10 – 21, 2015

[13] GRC Superconductivity,
Unconventional Superconductivity: Materials and Mechanisms.
Hong Kong (China), May 24 – 29, 2015.

[12] SuperFOx,
II Conference on Superconductivity and Functional Oxides,
Rome (Italy), September 24 – 26, 2014.

[11] BOULDER School for Condensed Matter and Materials 2014,
Modern Aspects of Superconductivity,
Boulder (CO, Usa), June 30 – July 25, 2014.

[10] STEP 2013,
Summer School on Superconductivity – Theory, Experiments, and Phenomena,
Carg´ese (France), August 5 – 17, 2013.

[9] NGSCES 2013
The New Generation in Strongly Correlated Electron Systems 2013
Sestri Levante (Italy), July 1 – 5, 2013.

[8] ICTP School & Workshop 2012,
Innovations in Strongly Correlated Electronic Systems,
Trieste (Italy), August 6 – 17 , 2012.

[7] SuperFOx,
I Conference on Superconductivity and Functional Oxides,
Como (Italy), June 19 – 22 , 2012.

[6] DFG Priority Program 2012,
Superconductivity in Iron-based compounds,
Munich (Germany), March 21 – 23, 2012.

[5] MULTIORB 2011,
Summer School on Multiband and Multiorbital Effect in Novel Materials,
Cargese (France), August 1 – 13, 2011 .

[4] Stripes 11,
8th International Conference on Stripes and High Tc Superconductivity,
Rome (Italy), July 10 – 16, 2011.

[3] ICMP School 2010,
ICTS School of the Condensed Matter Programme 2010,
Mysore (India), December 12 – 23, 2010.

[2] SATT 15,
National Conference of Superconductivity,
Alghero (Italy), September 13 – 15, 2010.

[1] LEES 2010,
International Conference on Low-Energy Electrodynamics in Solids,
Les Diablerets (Switzerland), July 5 – 10, 2010.

Fields of Research

I work on theoretical problems connected to the physics of strongly correlated electron systems. The main topics of my work can be summarized as:

• Low-energy effective modeling of correlated multi–orbital systems
• Phase transitions in correlated electrons systems
• Mott-Insulator transition and Hund metal phase
• Magnetism and nematicity in iron superconductors
• Transport properties of unconventional superconductors
• Superconducting fluctuations in unconventional superconductors
• Topological phases in strongly correlated electron systems

Research Achievements

My research achievements are mainly in the field of iron-based High Tc superconductors. The  key feature of these material is the presence at the Fermi energy of several orbitals that contributes to the various Fermi surfaces. Using low-energy effective models I demonstrated the relevance of multi–band effects in the physics of iron-based material. Taking into account the inter–band interactions via full gauge-invariant calculation, without any further assumptions, allows to explain a number of peculiar properties  experimentally observed in iron–based superconductor (unconventional Hall transport, band-shrinking effect, anomalous superconducting fluctuations). In particular, the specific orbital symmetry of these materials can easily accounts for the emergence of the so-called nematic phase (defined experimentally by the observation of anisotropic electronic and spectroscopic properties in the paramagnetic phase of iron superconductors). My research contributes to establish a new theoretical framework for the analysis of correlated multi–orbital systems such as iron-based superconductors.

Research Methodology and Techniques

I have solid experience with both analytic and numerical approaches for the theoretical analysis of strongly correlated electron systems. I have a strong background in analytic methods of quantum many-body physics and quantum-field theory, e.g.

• Hubbard–Stratonovich transformation
• Ginzburg–Landau functional theory
• Fermi liquid theory
• BCS and Eliashberg quantum field theory
• diagrammatic perturbation theory (self–energy and vertex corrections)
• gauge invariant calculations
• linear response theory
Regarding the numerical methods I have experience with self-consistent Hartree-Fock and BCS approach, and slave–particle techniques. In particular I developed an advanced slave-spin simulation package for the analysis of the spectral weight, the charge and spin correlation functions in strongly correlated multi–orbital system described by the Hubbard–Kanamori Hamiltonian.

Referee Activity

• APS publications Physical Review Letters, Physical Review B
• IOP publications: New Journal of Physics, Europhysics Letters
• African Review of Physics ICTP publication

Outreach on SC

Popular Article

Review article for the scientific magazine Accastampato edited by the students of the Physics Department of the University of Rome “Sapienza”:
L. Fanfarillo, Cento anni, ma non li dimostra, Accastampato 8, (2012)
accastampato.it/en/tag/numero-8
The english version of the article is available on my webpage at:
laurafanfarillo.files.wordpress.com/2013/04/100 sc.pdf

Popular Seminars for high-school classes and general audience

[2.] A short introduction to superconductivity for general audience,
on behalf of the association FrascatiScienza at “Fiera Nazionale di Grottaferrata”
Grottaferrata (Italy) March 31, 2012.

[1.] Popular seminar about superconductors for general audience, in the occasion of the Official Launch of the issue Accastampato 8 dedicated to superconductivity at Library “Assaggi”
Rome (Italy) February 12, 2012.

More Activities

Public discussions and experimental demonstrations about superconductivity for children, highschool classes and general audience at the ICMM-Madrid within the context of the “Semana de la Ciencia” 2012-2014 editions.

References

• Prof. C. Castellani
Department of Physics
University of Rome “La Sapienza”
P.le A. Moro 2, 00185 Rome, Italy
claudio.castellani@roma1.infn.it

• Prof. M. Capone,
Condensed Matter Theory At SISSA
Via Bonomea, 265,
34136 Trieste, Italy
massimo.capone@sissa.it

• Dr. B. Valenzuela,
Department of Theory and Simulation
of Materials of the ICMM-CSIC
Sor Juana Ines de la Cruz, 3,
Cantoblanco, 28049 Madrid, Spain
belenv@icmm.csic.es

• Dr. L. Benfatto
ISC-CNR and
Department of Physics
University of Rome “La Sapienza”
P.le A. Moro 2, 00185 Rome, Italy
lara.benfatto@roma1.infn.it

• Dr. E. Bascones,
Department of Theory and Simulation
of Materials of the ICMM-CSIC
Sor Juana Ines de la Cruz, 3,
Cantoblanco, 28049 Madrid, Spain
leni.bascones@icmm.csic.es

• Prof. M. Grilli
Department of Physics
University of Rome “La Sapienza”
P.le A. Moro 2, 00185 Rome, Italy
marco.grilli@roma1.infn.it

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