CV  of   Dr Olalla A. Castro Alvaredo
 

Last updated on 27th September 2011



Personal data


Date of birth:
June 3, 1975
Place of birth: O Incio, Lugo, Galicia (Spain)
Citizenship:
Spanish
Marital status:
Single
Foreign languages:
English, German, French and Portuguese


Current address:

Centre for Mathematical Science, City University London,


Northampton Square, London EC1V 0HB


UK



E-mail address:

o.castro-alvaredo"at" city.ac.uk



Telephone:

0044-(0)20 7040 8952

Fax:

0044-(0)20 7040 8597



Higher education

February 2003: Universidade de Santiago de Compostela (Spain)
  Premio Extraordinario de doctorado en Física 2000/2001. Prize given by the Universidade de Santiago de Compostela to the best PhD thesis in Physics of the academic year 2000/2001.
 
December 2001: Universidade de Santiago de Compostela (Spain)

Doctorado Europeo en Ciencias Físicas. European Doctor Certificate in Physics.
 
1999-2001:
Universidade de Santiago de Compostela (Spain)

Ph.D. in Theoretical Physics
30.07.01
Ph.D. thesis
"Bootstrap Methods in 1+1 Dimensional Quantum Field Theories: the Homogeneous Sine-Gordon Models",
hep-th/0109212



Advisor:
Prof. Dr.  José Luis Miramontes Antas
Referees: Dr. P. Dorey, Dr. A. Fring, Prof. J. Sánchez Guillén, Prof. G. Mussardo and Prof. G. Sierra Rodero
Grade: Sobresaliente, Cum Laude (highest grade)


February 2000:
Universidade de Santiago de Compostela (Spain)

Premio Extraordinario de licenciatura en Física 1998-1999. Prize given by the Universidade de Santiago de Compostela to the best Masters Thesis in Physics of the academic year 1998/1999.
 
1998-1999:
Universidade de Santiago de Compostela (Spain)

Licenciada con grado en Física en la modalidad de Tesina, (Masters Thesis)
18.06.99
Dipl. thesis:
Perturbaciones integrables del modelo de Wess-Zumino-Witten: Modelos Split.
Advisor:
Prof. Dr. José Luis Miramontes Antas
Grade:
Sobresaliente (highest grade)


January 1998:
Universidade de Santiago de Compostela (Spain)

Premio Fin de Carrera de la Comunidad Autónoma de Galicia 1997. Prize given by the "Xunta de Galicia'' to the best graduate student in Physics of the academic year 1996/1997.


1993-1997:
Universidade de Santiago de Compostela (Spain)

Licenciada en Física ( Physics BSc)
Qualification:
First class degree (91% average)
Speciality:
Física de Partículas (Particle Physics)

Positions held

September  2012-
Programme Director for Mathematics Undergraduate Programmes
August  2009-
Senior Lecturer in Mathematics
January  2009-
Admissions Tutor for Mathematics
Mar. 2005- Jul. 2009
Lecturer in Mathematics



Centre for Mathematical Science, City University London,

Northampton Square, London EC1V  0HB

UK


Jan. 2004-Feb. 2005:
EUCLID-Postdoc

Postdoc position associated to the EU network EUCLID:
"Integrable models and applications: from strings to
 condensed matter", HPRN-CT-2002-00325



Laboratoire de Physique, Ecole Normal Supérieure de Lyon

UMR 5672 du CNRS, 46 Allée d'Italie

69364 Lyon CEDEX

France


Feb. 2001-Dec. 2003: Wissenschaftliche Mitarbeiterin (Research assistant)
  Deutsche Forschungsgemeinschaft (Sfb288)
   
  Institut für Theoretische Physik, Freie Universität Berlin
  Arnimallee 14, D-14195, Berlin
  Germany
   
Oct. 1998- Jan. 2001: Becaria FPI (Research Assistant)
  fellowship PB96-0960 from DGICYT (Spain)
   
  Departamento de Física de Partículas
  Universidade de Santiago de Compostela
  Campus Universitario Sur
  E-15706, Santiago de Compostela
  Spain

Teaching 


1999/00 and 2000/01 (Universidade de Santiago de Compostela) General Relativity Tutorials
1999/00 and 2000/01 (Universidade de Santiago de Compostela) Mathematical Analysis Tutorial
From 2005/06 to 2009/10 (City University London) Calculus MA2601
Since 2006/07 (City University London) Programming Part I MA1603
Since 2005/06 (City University London) Programming Part II MA1603
2005/06 and 2006/07 (City University London) Bottom up Computing and Discrete Mathematics Tutorials
2007/08 (City University London) Computational Mathematics for Foundation
2007/08 (City University London) Calculus AS2051 Tutorials
Since 2009/10 (City University London) Dynamical Systems MA2605

Fellowships and other financial support for research

Pump Priming fellowship (City University London)
Project's title: Integrable quantum field theory methods applied to quantum information theory:
computations
of the entanglement entropy
£2040 awarded in March 2008
University Research Competition 2009 (runner-up award)
Project's title: Entanglement Entropy and Quantum Field Theory
£3500 awarded in February 2009

List of Publications

  1. Entanglement Entropy of Non Unitary Conformal Field Theory
    Davide Bianchini, Olalla A. Castro-Alvaredo, Benjamin Doyon, Emanuele Levi and Francesco Ravanini
    arXiv:1405.2804.

  2. Thermodynamic Bethe ansatz for non-equilibrium steady states: exact energy current and fluctuations in integrable QFT
    Olalla A. Castro-Alvaredo, Yixion Cheng, Benjamin Doyon and Marianne Hoogeveen
    J. Stat. Mech. (2014) P03011; arXiv:1310.4779.

  3. Universal corrections to the entanglement entropy in gapped quantum spin chains: a numerical study
    Emanuele Levi, Olalla A. Castro-Alvaredo and Benjamin Doyon
    Phys. Rev. B88 (2013) 094439; arXiv:1304.6874.

  4. Entanglement in permutation symmetric states, fractal dimensions, and geometric quantum mechanics
    Olalla A. Castro-Alvaredo and Benjamin Doyon
    J. Stat. Mech. (2013) P02016; arXiv:1210.4486.

  5. Arguments towards a c-theorem from branch-point twist fields,
    Olalla A. Castro-Alvaredo, Benjamin Doyon and Emanuele Levi
    J. Phys. Math. Theor. A44 (2011) 492003; arXiv:1107.4280.

  6. Entanglement entropy of highly degenerate states and fractal dimensions
    O.A. Castro-Alvaredo and B. Doyon
    Phys. Rev. Lett. 108, 120401 (2012); arXiv:1103.3247.

  7. Higher particle form factors of branch point twist fields in integrable quantum field theories
    O.A. Castro-Alvaredo and E. Levi
    J. Phys. A44 (2011) 255401 arXiv:1103.2069. This paper has appeared in IOP Select .

  8. Permutation operators, entanglement entropy, and the XXZ spin chain in the limit Delta -> -1
    O.A. Castro-Alvaredo and B. Doyon
    J. Stat. Mech. (2011) P02001; arXiv:1011.4706.

  9. A spin chain model with non-Hermitian interaction: The Ising quantum spin chain in an imaginary field
    O.A. Castro-Alvaredo and A. Fring
    J. Phys. A42 (2009) 465211(29); arXiv:0906.4070.

  10. Bi-partite entanglement entropy in massive 1+1-dimensional quantum field theories
    O.A. Castro-Alvaredo and B. Doyon
    J. Phys. A42 504006 (2009).
    Part of the Special Issue entitled: "Entanglement entropy in extended quantum systems".
    Edited by J.L. Cardy, P. Calabrese and B. Doyon;
    arXiv:0906.2946
  11. Bi-partite entanglement entropy in massive QFT with a boundary: the Ising model
    O.A. Cast
    ro-Alvaredo and B. Doyon

    J. Stat. Phys. 134 (2009) 105-145;
    arXiv:0810.0219.
  12. Bi-partite entanglement entropy in integrable models with backscattering
    O.A. Cast
    ro-Alvaredo and B. Doyon

    J. Phys. A.: Math. Theor. 41 (2008) 275203; arXiv:0802.4231.
  13. Form factors of boundary fields for A2-affine Toda field theory
    O.A. Castro-Alvaredo
    J. Phys. A: Math. Theor. 41 (2008) 194005; arXiv:0710.0501.
  14. Form factors of branch-point twist fields in quantum integrable models and entanglement entropy
    J.L. Cardy, O.A. Castro-Alvaredo and B. Doyon
    J. Stats. Phys.
    130 (2007) 129-168;
    arXiv:0706.3384.
  15. Form factors of integrable Heisenberg (higher) spin chains,
    Olalla A. Castro-Alvaredo and Jean-Michel Maillet
    J. Phys. A40 (2007) 7451-7471; hep-th/0702186.

  16. Boundary form factors of the sinh-Gordon model with Dirichlet boundary conditions at the self-dual point
    O.A. Castro-Alvaredo

    J. Phys. A39 (2006) 11901; hep-th/0606269.
  17. Chaos in the thermodynamic Bethe ansatz
    O.A. Castro-Alvaredo and A. Fring
    Phys. Lett. A334 (2005) 173; hep-th/0406066. 
  18. On vacuum energies and renormalizability in integrable quantum field theories
    O.A. Castro-Alvaredo and A. Fring
    Nucl. Phys. B687 (2004) 303; hep-th/0401075.
  19. Integrable models with unstable particles
    O.A. Castro-Alvaredo and A. Fring 

    Progress in Mathematics 237 (2005) 59;
    hep-th/0311148 .
    Proceedings of the workshop on "Infinite dimensional algebras and quantum integrable systems", Faro (Portugal), July 2003.
     
  20. Universal boundary reflection amplitudes
    O.A. Castro-Alvaredo and A. Fring
    Nucl. Phys. B682 [FS] (2004) 551;
    hep-th/0308004. 
  21. Breathers in elliptic sine-Gordon
    O.A. Castro-Alvaredo and A. Fring
    J. Phys. A36 (2003) 10233; hep-th/0303245.
  22. Applications of quantum integrable systems
    O.A. Castro-Alvaredo and A. Fring
    Int. J. Mod. Phys. Supp. A19 (2004) 92; hep-th/0301102.
    Proceedings of the "6th International Workshop on Conformal Field Theory", Moscow (Russia), September 2002.
  23. Rational sequences for the conductance in quantum wires from affine Toda field theories
    O.A. Castro-Alvaredo and A. Fring
    J. Phys. A36 (2003) L425; hep-th/0212235.
  24. Integrable scattering theories with unstable particles
    O.A. Castro-Alvaredo, J. Dreißig and A. Fring
    The European Physical Journal C35 (2004) 393; hep-th/0211168.
  25. Conductance from Non-perturbative Methods II
    O.A. Castro-Alvaredo and A. Fring
    JHEP (2003) PRHEP-unesp2002/015; cond-mat/0210592.
    Proceedings of the workshop ``Integrable Theories, Solitons and Duality'', São Paulo (Brazil), July 2002.
  26. Conductance from Non-perturbative Methods I
    O.A. Castro-Alvaredo and A. Fring
    JHEP (2003) PRHEP-unesp2002/010; cond-mat/0210599.
    Proceedings of the workshop ``Integrable Theories, Solitons and Duality'', São Paulo (Brazil), July 2002.
  27. Relativistic treatment of harmonics from impurity systems in quantum wires
    O.A. Castro-Alvaredo, A. Fring and C. Figueira de Morisson Faria
    Phys. Rev. B67 (2003) 125405; Virtual Journal of Nanoscale Science and Technology 7 (2003) 12; cond-mat/0208128.
  28. From integrability to conductance, impurity systems
    O.A. Castro-Alvaredo and A. Fring
    Nucl. Phys. B649 (2003) 449; hep-th/0205076.
  29. Finite temperature correlation functions from form factors
    O.A. Castro-Alvaredo and A. Fring
    Nucl. Phys. B636 (2002) 611; hep-th/0203130.
  30. On the absence of simultaneous reflection and transmission in integrable impurity systems
    O.A. Castro-Alvaredo, A. Fring and F. Göhmann
    hep-th/0201142.
  31. Unstable particles versus resonances in impurity systems, conductance in quantum wires
    O.A. Castro-Alvaredo and A. Fring

    J. Phys. C14 (2002) L721; cond-mat/0112199.
  32. Mutually local fields from form factors
    O.A. Castro-Alvaredo and A. Fring
    hep-th/0112097.
    Based on talks presented at the conferences :
    "From QCD to Integrable Models: Old Results and New Developments'', held in Yerevan (Armenia), September 2001.
    "APCTP- Nankai joint symposium on lattice statistics and mathematical physics'', held in Tianjin, China, October 2001.
    "ICMS-workshop on classical and quantum integrable systems and their symmetries'', held in Edinburgh, Scotland, December 2001.
  33. Aspects of locality in the form factor program
    O.A. Castro-Alvaredo and A. Fring
    Published in "From integrable models to gauge theories, a volume in honour of Sergei Martinyan'' pp: 99-124. World Scientific, Singapore (2002). Eds. V.G. Gurzadyan and A.G. Sedrakyan.
  34. Bootstrap Methods in 1+1 Dimensional Quantum Field Theories: the Homogeneous Sine-Gordon Models
    O.A. Castro-Alvaredo
    PhD thesis (2001); hep-th/0109212.
  35. Form-factors from free fermionic Fock fields, the Federbush model
    O.A. Castro-Alvaredo and A. Fring
    Nucl. Phys. B618 [FS] (2001) 437; hep-th/0107015.
  36. Constructing infinite particle spectra
    O.A. Castro-Alvaredo and A. Fring
    Phys. Rev. D64 (2001) 085005; hep-th/0103252.
  37. Scaling functions from q-deformed Virasoro characters
    O.A. Castro-Alvaredo and A. Fring
    J. Phys. A35 (2002) 609; hep-th/0103055.
  38. Decoupling the SU(N)2-homogeneous sine-Gordon model
    O.A. Castro-Alvaredo and A. Fring
    Phys. Rev. D64 (2001) 085007; hep-th/0010262.
  39. Renormalization group flow with unstable particles
    O.A. Castro-Alvaredo and A. Fring
    Phys. Rev. D63 (2001) 021701; hep-th/0008208.
  40. Identifying the operator content, the Homogeneous sine-Gordon models
    O.A. Castro-Alvaredo and A. Fring
    Nucl. Phys. B604 (2001) 367; hep-th/0008044.
  41. Form factors of the homogeneous sine-Gordon models
    O.A. Castro-Alvaredo, A. Fring and C. Korff
    Phys. Lett. B484 (2000) 167; hep-th/0004089.
  42. Massive symmetric space sine-Gordon soliton theories and perturbed conformal field theory
    O.A. Castro-Alvaredo and J.L. Miramontes
    Nucl. Phys. B581 (2000) 643; hep-th/0002219.
  43. Thermodynamic Bethe ansatz of the homogeneous sine-Gordon models
    O.A. Castro-Alvaredo, A. Fring, C. Korff and J.L. Miramontes
    Nucl. Phys. B575 (2000) 535; hep-th/9912196.
Visits

23.02.-28.03.(2000) Institut für theoretische Physik, FU-Berlin, Germany.
1.05.-30.06.(2000) Institut für theoretische Physik, FU-Berlin , Germany.
1.08.-5.10.(2000) Institut für theoretische Physik, FU-Berlin , Germany.
15.06.03-21.06.03 Ecole Normale Superieur de Lyon, France.
17.07.03-18.07.03 Berguische Universität Wuppertal, Germany.
25.10.04-30.10.04
City University of London, UK.
28.08.05-02.09.05
Ecole Normale Supérieure de Lyon, France.

International Conferences and Schools attended

2014
Entanglement Entropy of Many Body Quantum Systems, London, (UK)
2014
EPSRC NetworkPlus Workshop on Non-equilibrium Quantum Systems, Nottingham, (UK)
2014
18th UK Meeting on Integrable Models, Conformal Field Theory and Related Topics, Glasgow, (UK)
2014
Quantum Integrability, Conformal Field Theory and Topological Quantum Computation, Natal, (Brazil)
2013
XXV IUPAP International Conference on Statistical Physics, Seoul National University, Seoul, (Korea)
2013
ICFT 2013 Integrable Models, Conformal Field Theory and related Topics, University of Hertfordshire, UK
2012
RAQIS'12 Recent Advances in Quantum Integrable Systems, University of Angers, Angers (France)
2012
GGI workshop "New quantum states of matter in and out of equilibrium", Instituto Galileo Galilei, Florence (Italy)
2011
8th Bologna Workshop on CFT and Integrable Models, University of Bologna (Italy)
2011
15th UK meeting on Integrable Models, Conformal Field Theory and related Topics, City University London (UK)
2010
Finite-Size Technology in Low-Dimensional Quantum Systems (V) , Centro de Ciencias de Benasque Pedro Pascual, Benasque (Spain)
2010
ICFT10-UK meeting on Integrable and Conformal Field Theories , University of Kent, Canterbury (UK)
2009
ICFT09-UK meeting on Integrable and Conformal Field Theories, Oxford University (UK)
2008
2nd INSTANS summer conference , The Galileo Galilei Institute for Theoretical Physics, Arcetri, Florence (Italy)
2007
IDAQUIS workshop on Infinite Dimensional Algebras and Quantum Integrable Systems, Universidade do Algarve, Faro (Portugal).
2007
6th International Workshop on pseudo-Hermitian Hamiltonians in Quantum Physics, City University London (UK).
2007
11th Annual UK meeting on Integrable Models, Conformal Field Theory and related topics, King's College London (UK).
2006
Themes in the interface of representation theory and physics, City University London, London (UK).
2006
EUCLID International Workshop: Integrable Models and Applications: from Strings to Condensed Matter, Lyon (France).
2006
ICFT06-UK Meeting on Integrable and Conformal Field Theory, Durham (UK).
2006
Women in Mathematics Day, meeting held at the London Mathematical Society, London (UK).
2005
EUCLID International Workshop: Integrable Models and Applications: from Strings to Condensed Matter, Santiago de Compostela (Spain).
2005
International Workshop RAQIS'05: Recend Advances in Quantum Integrable Systems, Annecy-le-Vieux (France).
2005
International Workshop: Lessons from low dimensions- the many aspects of Conformal Field Theory, University of Bonn (Germany).
2004
EUCLID Mid-term review, York (UK).
2004 EUCLID International Workshop: Integrable models and applications, Sozopol (Bulgaria).
2004
EUCLID Montpellier Spring  School 2004: Modern Problems in Theoretical Physics and Integrable Systems, La Grande Motte (France).
2003 Integrable Models and Applications: from Strings to Condensed Matter, Florence (Italy).
2003 Infinite Dimensional Algebras and Quantum Integrable Systems, Faro (Portugal).
2003 SFB-Klausurtagung St. Marienthal, St. Marienthal (Germany).
2002 Workshop on Integrable Theories, Solitons and Duality, São Paulo (Brasil) .
2002 SFB-Klausurtagung St. Marienthal, St. Marienthal (Germany).
2001 ICMS Workshop on Classical and Quantum Integrable Systems and their Symmetries, Edinburgh (Scotland).
2001 From QCD to Integrable Models: Old Results and New Developments, Nor Amberd (Armenia).
2001
8th Workshop Grundlagen und Konstructive Aspekte der QFT, Hamburg (Germany).
2000 NATO Advanced Research Workshop on Dynamical Symmetries of Integrable Quantum Field Theories and Lattice Models, Kiev (Ucraine).
2000
TMR Summer School on Recent Advances and Applications of Conformal Field Theory, Montpellier (France).
1999
29th British Universities Summer School in Theoretical Elementary Particle Physics, Southampton (UK).
1999
Advanced School on Supersymmetry in the Theories of Fields, Strings and Branes, Santiago de Compostela (Spain).

Talks

2014
" Thermodynamic Bethe Ansatz for non Equilibrium Steady States in Integrable Quantum Field Theory ", Invited talk presented at the EPSRC NetworkPlus Workshop on Non-equilibrium Quantum Systems, Nottingham (UK).
2014
" On the Entanglement Entropy of IQFT ", Invited talk presented at the conference Quantum Integrability, Conformal Field Theory and Topological Quantum Computation, International Institute of Physics, Natal (Brazil).
2013
" Entanglement Entropy of 1-Dimensional Quantum Systems ", Invited seminar presented at the University of Birgminham, Theoretical Physics Department, (UK).
2013
" Universal corrections to the entanglement entropy of gapped quantum spin chains: a numerical study ", Talk presented at STATPHYS25, Seoul National University (Korea).
2012
" Entanglement Entropy of Degenerate Ground States: Permutation Symmetric States ", Talk presented at the Workshop on New quantum states of matter in and out of equilibrium, Galileo Galilei Institute for Theoretical Physics, Florence (Italy).
2012
" Entanglement Entropy of 1d Quantum Systems ", Invited talk presented at SISSA, Trieste (Italy).
2011
" Entanglement Entropy of Quantum Spin Chains: Infinitely Degenerate Ground States ", talk presented at the 8th Bologna Workshop on CFT and Integrable Systems, University of Bologna (Italy).
2010
" Entanglement entropy in 1+1 dimensional QFTs", talk presented at the Finite-Size Technology in Low-Dimensional Quantum Systems (V) workshop held at the Centro de Ciencias de Benasque Pedro Pascual, Benasque (Spain).
2010
"Entanglement entropy in 1+1 dimensional QFTs: some ideas on the entropy of disconnected regions", invited talk at the ICFT10-UK Meeting on Integrable and Conformal Field Theories, University of Kent (UK).
2008
" Bi-partite entanglement entropy from branch point twist fields in integrable quantum field theories", invited seminar at the University of Kent (UK).
2008
"The Homogeneous and Symmetric Space sine-Gordon models: a review", invited seminar at Imperial College London (UK).
2007
"Branch-point twist fields and entanglement entropy in integrable quantum field theory", talk delivered at the IDAQUIS workshop on Infinite Dimensional Algebras and Quantum Integrable Systems, Faro (Portugal).
2007
"Form factors of integrable Heisenberg spin chains", invited seminar at the Mathematics department of the University of Bristol (UK).
2006
"Form factors of XXX and XXZ finite mixed spin chains", invited seminar at the Mathematics department of the University of York (UK).
2006
"Boundary form factors of the sinh-Gordon model with Dirichlet boundary conditions at the self-dual point", talk delivered at the EUCLID workshop on Integrable Models and Applications, Lyon (France).
2006
"On the solution of the inverse scattering problem for XXZ quantum spin chains", talk delivered at the ICFT06-UK meeting on Integrable and Conformal Field Theory, Durham University (UK).
2006
"Correlation functions of quantum spin chains", talk delivered at the Women in Mathematics Day, London (UK).
2006
"Correlation functions of quantum spin chains", talk delivered at City University London within the SEMS Seminar series (UK).
2005
"Form Factors from Algebraic Bethe Ansatz for Higher Spin Representations", talk delivered at the EUCLID international workshop: Integrable Models and Applications: from Strings to Condensed Matter, Santiago de Compostela (Spain).
2005
"Form Factors from Algebraic Bethe Ansatz for Higher Spin Representations", talk delivered in RAQIS'05 international workshop: Recent advances in Quantum Integrable Systems, Annecy-le-Vieux (France).
2004
"Correlation functions from algebraic Bethe ansatz: spin chains with impurities", invited talk at City University London (UK).
2004
"Chaos in the thermodynamic Bethe ansatz", in EUCLID international workshop on integrable models and applications, Sozopol (Bulgaria).
2004
"On vacuum energies and renormalizability in quantum integrable systems", in EUCLID Montpellier Spring School 2004: Modern problems in Theoretical Physics and Integrable Systems, La Grande Motte (France).
2003 "Breathers in the Elliptic sine-Gordon Model'', in Integrable Models and Applications: from Strings to Condensed Matter Florence (Italy). 
2003 "Universal Boundary Reflection Amplitudes'', in Infinite Dimensional Algebras and Quantum Integrable Systems, Faro (Portugal). 
2003 "Developing the Bootstrap Program for Integrable Models: Applications to the Computation of Measurable Quantities'', in the Berguische Universität Wuppertal, Wuppertal (Germany). 
2003 "Developing the Bootstrap Program for Integrable Models: Mathematical Aspects and Applications'', in the ENS-Lyon, Lyon (France). 
2002 "From integrability to conductance, impurity systems (part II)'', in Workshop on Integrable Theories, Solitons and Duality, São Paulo (Brasil). 
2002 "Integrability versus Impurities: a Measurement of the Conductance for Quantum Wires", in  SFB-Klausurtagung St. Marienthal,
 
St. Marienthal (Germany)
2001 "Aspects of Locality in the Form Factor Program: the Federbush Model'', in ICMS Workshop on Classical and Quantum Integrable Systems and their Symmetries, Edinburgh (Scotland).
2001 "Scaling functions from q-deformed Virasoro characters'', in 8th Workshop Grundlagen und Konstructive Aspekte der QFT, Hamburg (Germany).
2001
"Bootstrap Methods in 1+1-Dimensional Quantum Field Theory: the Homogeneous Sine-Gordon Models'', in the Institut für Theoretische Physik of the Freie Universität Berlin.
2000 "Massive symmetric space sine-Gordon soliton theories and perturbed conformal field theory'',  in the Universidade de Santiago de Compostela (Spain),the Institut für Theoretische Physik, Freie Universität Berlin (Germany) and at the TMR Summer School on Recent advances and applications of Conformal Field Theory, Montpellier (France).