Alessio Squarcini, PhD
Lise Meitner Fellow
PostDoc
Room: 2S05 ITP
+43 512 507 52273
Alessio.Squarcini[at]uibk.ac.at
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Publications 2023
Contributions to Books / Journals
Journal Article (Original Paper)
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Squarcini, A.; Romero-Enrique, J.; Parry, O. (2023): Derivation of the Casimir contribution to the binding potential for 3D wetting.
In: Molecular Physics 121/Issue 19-20: Thermodynamics 2022 Conference, Nr. e2193654. (DOI) (Web link) -
Squarcini, A.; Tinti, A. (2023): Droplet-mediated long-range interfacial correlations. Exact field theory for entropic repulsion effects.
In: The Journal of High Energy Physics (Online) 2023, Nr. 123. (DOI) (Web link) -
Squarcini, A.; Tinti, A. (2023): Shape and interfacial structure of droplets. Exact results and simulations.
In: Journal of Statistical Mechanics: Theory and Experiment 2023, Nr. 013206. (Full-text) (DOI) (Web link)
Lectures 2023
Guest Lectures
Guest Lecture
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Lecturer(s): Squarcini, A.: Recent results on wetting.
Università Sapienza Università di Roma, Rom, 2023-03-29.
Publications 2022
Contributions to Books / Journals
Journal Article (Original Paper)
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Squarcini, A.; Marinari, E.; Oshanin, G.; Peliti, L.; Rondoni, L. (2022): Frequency–frequency correlations of single-trajectory spectral densities of Gaussian processes.
In: New Journal of Physics 24, Nr. 093031. (DOI) (Web link) -
Squarcini, A.; Marinari, E.; Oshanin, G.; Peliti, L; Rondoni, L. (2022): Noise-to-signal ratio of single-trajectory spectral densities in centered Gaussian processes.
In: Journal of Physics A-Mathematical and Theoretical 55, Nr. 405001. (DOI) (Web link) -
Squarcini, A.; Romero-Enrique, J.; Parry, A. (2022): Casimir Contribution to the Interfacial Hamiltonian for 3D Wetting.
In: Physical Review Letters 128, No. 195701. (DOI) (Web link) -
Squarcini, A.; Solon, A.; Oshanin, G. (2022): Spectral density of individual trajectories of an active Brownian particle.
In: New Journal of Physics 24, Nr. 013018. (DOI) (Web link) -
Squarcini, A.; Solon, A.; Viot, P.; Oshanin, G. (2022): Fractional Brownian Gyrator.
In: Journal of Physics A-Mathematical and Theoretical 55/48, Nr. 485001. (DOI) (Web link)
Lectures 2022
Presentations at Conferences, Symposia, etc.
Conference Lecture (Invited Lecture)
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Lecturer(s): Squarcini, A.: Several exact results on statistics of single-trajectory spectral densities of stochastic processes beyond their mean values.
Venice meeting on Fluctuations in small complex systems VI, Venedig, 2022-09-07. (Web link) -
Lecturer(s): Squarcini, A.: Spectral density of individual trajectories of an active Brownian particle.
Non-Markovian Dynamics Far From Equilibrium, ICTP, Trieste, 2022-05-05. (Web link)
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Education and positions
- 2022-present
Lise-Meitner Fellow at Innsbruck University
Group: BioNano-Physics Group
Director: Prof. Dr. Thomas Franosch - 2017-2022
Researcher (non-tenure) at Max-Planck-Institute for Intelligent Systems, Stuttgart, Germany
Department: Theory of Inhomogeneous Condensed Matter
Director: Prof. Dr. Siegfried Dietrich. - 2015-2017
Postdoc at Max-Planck-Institute for Intelligent Systems, Stuttgart, Germany
Department: Theory of Inhomogeneous Condensed Matter
Director: Prof. Dr. Siegfried Dietrich. - 2011-2015
PhD in Statistical Physics obtained at SISSA, International School for Advanced Studies, Trieste, Italy - 2010-2011
Guest researcher in the “Statistical Physics of Liquids” group at Sevilla University
Host: Prof. José-Manuel Romero-Enrique - 2008-2011
master Degree in Theoretical Physics obtained at Pisa University (Laurea Specialistica) - 2004-2008
Bachelor Degree obtained at Pisa University (Laurea Triennale)
Research Interests
- Exact field theory for phase separation and interfaces
- Interfaces in the 2D Ising model: exact results
- Wetting phenomena
- Thermodynamic (critical) Casimir effect
- Power spectral densities
- Lattice Lorentz gas
Grants & awards
- 2021. Austrian Science Fund FWF (Lise-Meitner Fellowship)
- 2021. “Maria Zambrano” fellowship at Sevilla University (declined)
- 2016. “SISSA Best PhD Thesis in Physics of the Year 2015"
- 2011. SISSA - International School for Advanced Studies (PhD Fellowship, VI cycle)
Publications
Preprints
- A. Squarcini, A. Tinti, P. Illien, O. Bénichou, and T. Franosch, Time-dependent dynamics in the confined lattice Lorentz gas, [arXiv:2409.04293]
- A. Squarcini, A. Tinti, P. Illien, O. Bénichou, and T. Franosch, Dimensional crossover via confinement in the lattice Lorentz gas, [arXiv:2409.04289]
- D. Shafir, A. Squarcini, S. Burov, and T. Franosch, Driven Lorentz model in discrete time, [arXiv:2409.02696]
Published papers
- D. B. Abraham, A. Maciołek, and A. Squarcini, Wetting and emergence of long-range couplings in arrays of fluid cells, Phys. Rev. E 109, 054121 (2024). [arXiv:2312.17717]
- A. Squarcini and A. Tinti, Interfacially adsorbed bubbles determine the shape of droplets, SciPost Phys. 15, 164 (2023).
- A. Squarcini, J. M. Romero Enrique, and A. O. Parry, Derivation of the Casimir contribution to the binding potential for 3D wetting, Mol. Phys. (Thermodynamics 2022, Special Issue) (2023)
- A. Squarcini and A. Tinti, Droplet-mediated long-range interfacial correlations. Exact field theory for entropic repulsion effects. Journal of High Energy Physics, 123 (2023) [arXiv:2106.01945]
- A. Squarcini and A. Tinti, Shape and interfacial structure of droplets. Exact results and simulations, J. Stat. Mech. (2023) 013206
- A. Squarcini, A. Solon, P. Viot, and G. Oshanin, Fractional Brownian Gyrator, J. Phys. A: Math. Theor. 55, 485001. [arXiv:2204.12145]
- A. Squarcini, E. Marinari, G. Oshanin, L. Peliti, and L. Rondoni, Frequency-frequency correlations of single-trajectory spectral densities of Gaussian processes, New Journal of Physics 24, 093031 (2022). [arXiv:2205.11893]
- A. Squarcini, E. Marinari, G. Oshanin, L. Peliti, and L. Rondoni, Noise-to-signal ratio of single-trajectory spectral densities in centered Gaussian processes, J. Phys. A: Math. Theor. 55, 405001 (2022). [arXiv:2205.12055]
- A. Squarcini, J. M. Romero Enrique, and A. O. Parry, Casimir contribution to the interfacial Hamiltonian for 3D wetting, Phys. Rev. Lett. 128, 195701 (2022). [arXiv:2204.12353]
- A. Squarcini, A. Solon, and G. Oshanin, Power spectral density of trajectories of an active Brownian particle, New Journal of Physics 24, 013018 (2022). [arXiv:2109.03883]
- A. Squarcini, Multipoint correlation functions at phase separation. Exact results from field theory, Journal of High Energy Physics 11 (2021) 096. [arXiv:2104.05073]
- A. Squarcini, and A. Tinti, Four-point interfacial correlation functions in two dimensions. Exact results from field theory and numerical simulations, J. Stat. Mech. (2021) 103205. [arXiv:2104.12517]
- A. Squarcini, and A. Tinti, Correlations and structure of interfaces in the Ising model. Theory and numerics, J. Stat. Mech. (2021) 083209. [arXiv:2104.06660]
- G. Delfino, M. Sorba, and A. Squarcini, Interface in presence of a wall. Results from field theory, Nuclear Physics B 967 (2021) 115396. [arXiv:2103.05370]
- A. Squarcini, and P. Malgaretti, Inhomogeneous surface tension of chemically active fluid interfaces, Journal of Chemical Physics 153 (2020) 234903. [arXiv:2008.13004]
- G. Delfino, W. Selke, and A. Squarcini, Particles, string and interface in the three-dimensional Ising model, Nuclear Physics B 958 (2020) 115139. [arXiv:1906.03176]
- A. Squarcini, E. Marinari, and G. Oshanin, Passive advection of fractional Brownian motion by random layered flows, New Journal of Physics 22, 053052 (2020). [arXiv:1909.09808v1]
- A. Squarcini, A. Maciolek, E. Eisenriegler, and S. Dietrich, Critical Casimir interaction between colloidal Janus-type particles in two spatial dimensions, J. Stat. Mech. (2020) 043208. [arXiv:1908.06950]
- C. M. Rohwer, A. Squarcini, O. Vasilyev, S. Dietrich, and M. Gross, Ensemble dependence of Critical Casimir Forces in Films with Dirichlet Boundary Conditions, Phys. Rev. E 99, 062103 (2019). [arXiv:1811.09202]
- D. Krapf, N. Lukat, E. Marinari, R. Metzler, G. Oshanin, C. Selhuber-Unkel, A. Squarcini, L. Stadler, M. Weiss, and X. Xu, Spectral content of a single non-Brownian trajectory, Phys. Rev. X 9, 011019 (2019). [arXiv:1902.00481]
- G. Delfino, W. Selke, and A. Squarcini, Vortex mass in the three-dimensional O(2) scalar theory, Phys. Rev. Lett. 122, 050602 (2019). [arXiv:1808.09276]
- J. M. Romero-Enrique, A. Squarcini, A. O. Parry, and P. M. Goldbart, Curvature corrections to the nonlocal interfacial model for short-ranged forces, Phys. Rev. E 97, 062804 (2018). [arXiv:1804.04554]
- G. Delfino, W. Selke, and A. Squarcini, Structure of interfaces at phase coexistence. Theory and numerics, J. Stat. Mech. (2018) 053203. [arXiv:1803.04759]
- D. Krapf, E. Marinari, R. Metzler, G. Oshanin, X. Xu, and A. Squarcini, Power spectral density of a single Brownian trajectory: what one can and cannot learn from it, New J. Phys. 20, 023029 (2018). [arXiv:1801.02986]
- D. B. Abraham, A. Maciolek, A. Squarcini, and O. Vasilyev, Action at a distance in classical uniaxial ferromagnetic arrays, Phys. Rev. E 96, 042154 (2017). (Editor’s suggestion). [arXiv:1707.00458]
- G. Delfino, and A. Squarcini, Long range correlations generated by phase separation. Exact results from field theory, Journal of High Energy Physics 11 (2016) 119. [arXiv:1607.01275]
- G. Delfino, and A. Squarcini, Multiple phases and vicious walkers in a wedge, Nuclear Physics B 901 (2015) 430. [arXiv:1509.00310v1]
- G. Delfino, and A. Squarcini, Bulk and boundary effects on the decay of the thermodynamic Casimir force, Europhysics Letters 109 (2015) 16001. [arXiv:1410.3283]
- G. Delfino, and A. Squarcini, Phase Separation in a Wedge: Exact Results, Phys. Rev. Lett. 113, (2014) 066101. [arXiv:1403.1138]
- G. Delfino, and A. Squarcini, Exact theory of intermediate phases in two dimensions, Annals of Physics 342 (2014) 171-194. [arXiv:1310.4425]
- G. Delfino, and A. Squarcini, Interfaces and wetting transition on the half plane. Exact results from field theory, J. Stat. Mech. (2013) P05010. [arXiv:1303.1938]
Conference/school proceedings
A. Squarcini and B. Widom, Wetting Transitions in Fluid Interfaces, pag. 43-53 of Proceedings of the International School of Physics “Enrico Fermi”, CLXXVI Course, “Complex Materials in Physics and Biology”, F. Mallamace, and H. E. Stanley Editors, vol 176, ed. SIF & IOS.