My publications and preprints
You can find a rather complete list also in Google Scholar and on ArXiv.
- Symmetry Resolved Measures in Quantum Field Theory: a Short Review, O. A. Castro-Alvaredo and L. Santamaría-Sanz, arXiv:2403.06652.
- Expectation Values of Conserved Charges in Integrable Quantum Field Theories out of Thermal Equilibrium, M. Mazzoni, R. Travaglino and O.A. Castro-Alvaredo, arXiv:2402.14788
- On the Representation of Minimal Form Factors in Integrable Quantum Field Theory, O. A. Castro-Alvaredo, S. Negro and I. M. Szécsényi, Nucl. Phys. B1000 (2024) 116459; arXiv:2311.16955.
- Entanglement Entropy from Form Factors in TTb-Deformed Integrable Quantum Field Theories, O.A.Castro-Alvaredo, S. Negro and F. Sailis, JHEP11 (2023) 129; arXiv:2306.11064.
- Form Factors and Correlation Functions of TTb-Deformed Integrable Quantum Field Theories, O.A.Castro-Alvaredo, S. Negro and F. Sailis, JHEP09 (2023) 048. arXiv:2306.01640.
- Completing the Bootstrap Program for TTb-Deformed Massive Integrable Quantum Field Theories, O.A.Castro-Alvaredo, S. Negro and F. Sailis, arXiv:2305.17068.
- Symmetry Resolved Entanglement of Excited States in Quantum Field Theory III: Bosonic and Fermionic Negativity, L. Capizzi, M. Mazzoni and O.A. Castro-Alvaredo, JHEP06 (2023) 074; arXiv:2302.02666.
- Two-Point Functions of Composite Twist Fields in the Ising Field Theory , O.A. Castro-Alvaredo and M. Mazzoni, J. Phys. A56 (2023) 12, 124001; arXiv:2301.01745
- Entanglement of Stationary States in the Presence of Unstable Quasiparticles, D.X. Horvath, P. Calabrese, O. A. Castro-Alvaredo, JHEP04 (2023) 091; arXiv:2209.11290
- Symmetry Resolved Entanglement of Excited States in Quantum Field Theory II: Numerics, Interacting Theories and Higher Dimensions, L. Capizzi,, C. De Fazio, M. Mazzoni, L. Santamaría-Sanz and O.A. Castro-Alvaredo, JHEP12 (2022) 128; arXiv:2206.12223
- Fractons' Exotic Flow, O. A. Castro-Alvaredo, Nature Physics (2022). Published in the News & Views section.
- Y-Systems for Generalised Gibbs Ensembles in Integrable Quantum Field Theory, O.A. Castro-Alvaredo, J. Phys. A55 405402 (2022). arXiv:2204.11749.
- Symmetry Resolved Entanglement of Excited States in Quantum Field Theory I: Free Theories, Twist Fields and Qubits, L. Capizzi, O.A. Castro-Alvaredo, C. De Fazio, M. Mazzoni and L. Santamaría-Sanz, JHEP12 (2022) 127; arXiv:2203.12556
- Generalised Hydrodynamics of Particle Creation and Decay, O.A. Castro-Alvaredo, C. De Fazio, B. Doyon and A.A. Ziółkowska, JHEP 04, 035 (2022). arXiv:2112.05462
- Entanglement of the 3-State Potts Model via Form Factor Bootstrap: Total and Symmetry Resolved Entropies, L. Capizzi, D. X. Horváth, P. Calabrese and O.A. Castro-Alvaredo, JHEP 05, 113 (2022); arXiv:2108.10935.
- Branch Point Twist Field Form Factors in the sine-Gordon Model II: Composite Twist Fields and Symmetry Resolved Entanglement, D.X. Horváth, P. Calabrese and O.A. Castro-Alvaredo, SciPost Phys. 12, 088 (2022), arXiv:2105.13982.
- The Staircase Model: Massless Flows and Hydrodynamics, M. Mazzoni, O. Pomponio, O.A. Castro-Alvaredo and F. Ravanini, J. Phys. A: Math. Theor. 54 404005 (2021), arXiv:2105.13349. Part of the Special Issue on Hydrodynamics of Low-Dimensional Quantum Systems.
- Branch Point Twist Field Form Factors in the sine-Gordon Model I: Breather Fusion and Entanglement Dynamics, O.A. Castro-Alvaredo and D.X. Horváth, SciPost Phys. 10, 132 (2021), arXiv:2103.08492.
- Tails of Instability and Decay: a Hydrodynamic Perspective, O.A. Castro-Alvaredo, C. De Fazio, B. Doyon and A.A. Ziółkowska, SciPost Phys. 12, 115 (2022), arXiv:2103.03735.
- On the Hydrodynamics of Unstable Excitations, O.A. Castro-Alvaredo, C. De Fazio, B. Doyon, and F. Ravanini, JHEP 09 (2020) 045, arXiv:2005.11266.
- Entanglement Oscillations near a Quantum Critical Point, O.A. Castro-Alvaredo, M. Lencsés, I.M. Szécsényi, and J. Viti, Phys. Rev. Lett. 124, 230601 (2020), arXiv:2001.10007.
- Entanglement Dynamics after a Quench in Ising Field Theory: A Branch Point Twist Field Approach, O.A. Castro-Alvaredo, M. Lencsés, I.M. Szécsényi, and J. Viti, JHEP (2019), 79 2019; arXiv:1907.11735.
- Entanglement Content of Quantum Particle Excitations III. Graphs Partition Functions, O.A. Castro-Alvaredo, C. De Fazio, B. Doyon, and I.M. Szécsényi, J. Math. Phys. 60, 082301 (2019), arXiv:1904.02615.
- Entanglement Content of Quantum Particle Excitations II. Disconnected Regions and Logarithmic Negativity, O.A. Castro-Alvaredo, C. De Fazio, B. Doyon, and I.M. Szécsényi, JHEP (2019), 58 2019. https://doi.org/10.1007/JHEP11(2019)058; arXiv:1904.01035.
- Entanglement Content of Quantum Particle Excitations I. Free Field Theory, O.A. Castro-Alvaredo, C. De Fazio, B. Doyon and I.M. Szécsényi, JHEP10 (2018) 039; arXiv:1806.03247
- Entanglement Content of Quasi-Particle Excitations, O.A. Castro-Alvaredo, C. De Fazio, B. Doyon and I.M. Szécsényi, Phys. Rev. Lett. 121, 170602 (2018). arXiv:1805.04948.
- Conical Twist Field and Null Polygonal Wilson Loops, O.A. Castro-Alvaredo, B. Doyon and D. Fioravanti, Nucl. Phys. B931 (2018) 146–178, arXiv:1709.05980.
- Irreversibility of the renormalization group flow in non-unitary quantum field theory, O.A. Castro-Alvaredo, B. Doyon and F. Ravanini, J. Phys. A50 424002 (2017). Part of "John Cardy's scale-invariant journey in low dimensions: a special issue for his 70th birthday", arXiv:1706.01871.
- Massive Corrections to Entanglement in Minimal E8 Toda Field Theory, O.A. Castro-Alvaredo, SciPost Phys. 2, 008 (2017). arXiv:1610.07040.
- Brach Point Twist Field Correlators in the Massive Free Boson Theory, D. Bianchini and O.A. Castro-Alvaredo, Nucl. Phys. B913 (2016) 879–911; arXiv:1607.05656.
- Emergent hydrodynamics in integrable quantum systems out of equilibrium, O.A. Castro-Alvaredo, B. Doyon and T. Yoshimura, Phys. Rev. X6 041065 (2016). Selected for Viewpoint in Physics; arXiv:1605.07331.
- Universal Scaling of the Logarithmic Negativity in Massive Quantum Field Theory, O. Blondeau-Fournier, O.A. Castro-Alvaredo and B. Doyon, J. Phys. A49 (2016) 125401. This paper has appeared on Journal of Physics A "Highlights of 2016". arXiv:1508.04026.
- Entanglement Entropy of Non Unitary Integrable Quantum Field Theory, D. Bianchini, O.A. Castro Alvaredo and B. Doyon, Nucl. Phys. B896 (2015) 835-880; arXiv:1502.03275.
- Entanglement Entropy of Non Unitary Conformal Field Theory, D. Bianchini, O.A. Castro-Alvaredo, B. Doyon, E. Levi and F. Ravanini, J. Phys A48 (2015) 4 A4FT01. This article has appeared on IoP "Highlights of 2015". arXiv:1405.2804.
- Thermodynamic Bethe ansatz for non-equilibrium steady states: exact energy current and fluctuations in integrable QFT, O.A. Castro-Alvaredo, Y. Cheng, B. Doyon and M. Hoogeveen, J. Stat. Mech. (2014) P03011; arXiv:1310.4779.
- Universal corrections to the entanglement entropy in gapped quantum spin chains: a numerical study, E. Levi, O.A. Castro-Alvaredo and B. Doyon, Phys. Rev. B88 (2013) 094439; arXiv:1304.6874.
- Entanglement in permutation symmetric states, fractal dimensions, and geometric quantum mechanics , O.A. Castro-Alvaredo and B. Doyon, J. Stat. Mech. (2013) P02016; arXiv:1210.4486.
- Arguments towards a c-theorem from branch-point twist fields, O. A. Castro-Alvaredo, B. Doyon and E. Levi, J. Phys. A44 (2011) 492003; arXiv:1107.4280.
- Entanglement entropy of highly degenerate states and fractal dimensions, O.A. Castro-Alvaredo and B. Doyon, Phys. Rev. Lett. 108 (2012) 120401; arXiv:1103.3247.
- 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 .
- 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 (2011) P02001 ; arXiv:1011.4706.
- 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.
- Bi-partite entanglement entropy in massive 1+1 dimensional quantum field theories, O.A. Castro-Alvaredo and B. Doyon, J. Phys. A42 (2009) 504006; arXiv:0906.2946. Part of the Special Issue: "Entanglement entropy in extended quantum systems". Edited by J.L. Cardy, P. Calabrese and B. Doyon.;
- Bi-partite entanglement entropy in massive QFT with a boundary: the Ising model, O.A. Castro-Alvaredo and B. Doyon, J. Stat. Phys. 134 (2009) 105-145; arXiv:0810.0219.
- Bi-partite entanglement entropy in integrable models with backscattering, O.A. Castro-Alvaredo and B. Doyon, J. Phys. A41 (2008) 275203; arXiv:0802.4231.
- Form factors of boundary fields for A2-affine Today field theory, O.A. Castro-Alvaredo, J. Phys. A41 (2008) 194005; arXiv:0710.0501.
- 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. Stat. Phys. 130 (2008) 129-168; arXiv:0706.3384.
- Form factors of integrable Heisenberg (higher) spin chains, O.A. Castro-Alvaredo and J.-M. Maillet, J. Phys A40 (2007) 7451-7471; hep-th/0702186.
- 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.
- Chaos in the Thermodynamic Bethe ansatz, O.A. Castro-Alvaredo and A. Fring, Phys. Lett. A334 (2005) 173; hep-th/0406066.
- 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.
- 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.
- Universal boundary reflection matrices, O.A. Castro-Alvaredo and A. Fring, Nucl. Phys. B682 [FS] (2004) 551; hep-th/0308004.
- Breathers in elliptic sine-Gordon, O.A. Castro-Alvaredo and A. Fring, J. Phys. A36 (2003) 10233; hep-th/0303245.
- 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.
- Rational sequences for the conductance in quantum wires from affine Today field theories, O.A. Castro-Alvaredo and A. Fring , J. Phys. A36 (2003) L425; hep-th/0212235.
- Integrable scattering theories with unstable particles , O.A. Castro-Alvaredo, J. Dreißig and A. Fring, Euro. Phys. J. C35 (2004) 393; hep-th/0211168.
- 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.
- 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.
- 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.
- From integrability to conductance, impurity systems , O.A. Castro-Alvaredo and A. Fring, Nucl. Phys. B649 (2003) 449; hep-th/0205076.
- Finite temperature correlation functions from form factors , O.A. Castro-Alvaredo and A. Fring, Nucl. Phys. B636 (2002) 611; hep-th/0203130.
- On the absence of simultaneous reflection and transmission in integrable impurity systems , O.A. Castro-Alvaredo, A. Fring and F. Göhmann, hep-th/0201142.
- 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.
- 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. - 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.
- Bootstrap Methods in 1+1 Dimensional Quantum Field Theories: the Homogeneous Sine-Gordon Models, O.A. Castro-Alvaredo, PhD thesis (2001); hep-th/0109212.
- 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.
- Constructing infinite particle spectra, O.A. Castro-Alvaredo and A. Fring, Phys. Rev. D64 (2001) 085005; hep-th/0103252.
- Scaling functions from q-deformed Virasoro characters, O.A. Castro-Alvaredo and A. Fring, J. Phys. A35 (2002) 609; hep-th/0103055.
- Decoupling the SU(N)2-homogeneous sine-Gordon model , O.A. Castro-Alvaredo and A. Fring, Phys. Rev. D64 (2001) 085007; hep-th/0010262.
- Renormalization group flow with unstable particles, O.A. Castro-Alvaredo and A. Fring, Phys. Rev. D63 (2001) 021701; hep-th/0008208.
- Identifying the operator content, the Homogeneous sine-Gordon models, O.A. Castro-Alvaredo and A. Fring, Nucl. Phys. B604 (2001) 367; hep-th/0008044.
- 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.
- 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.
- 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.
- Perturbaciones Integrables del Modelo de WZW: Modelos Split, O.A. Castro-Alvaredo, MSc Thesis (1999).