Publications and Preprints by
Dr. Olalla A. Castro Alvaredo

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  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. 1102 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 (2009) 504006.
    Part of the Special Issue: "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. Cast    ro-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 (2008) 129-168; arXiv:0706.3384.
  15.  Form factors of integrable Heisenberg (higher) spin chains
    O.A. Cast    ro-Alvaredo and J.-M. 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 matrices
    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
    Submited to Phys. Lett. B; 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.
  44. Perturbaciones Integrables del Modelo de WZW: Modelos Split
    O.A. Castro-Alvaredo
    MSc Thesis (1999).