Benjamin Walter

SISSA - International School for Advanced Studies
via Bonomea 265
34136 Trieste, Italy

Email: bwalter[]
Office: 430
Phone: (+39) 040 3787 282

I am a Postdoc in the statistical physics group at SISSA working with Andrea Gambassi.
My research topics include statistical field theory, stochastic processes, nonequilibrium dynamics and first-passage times.


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[6] B. Walter, G. Pruessner, G. Salbreux
"First passage time distribution of active thermal particles in potentials" (2020)


[5] M. Arutkin, B. Walter, K. J. Wiese
"Extreme Events for Fractional Brownian Motion with Drift: Theory and Numerical Validation" (2019)
Phys. Rev. E 102, 022102

[4] B. Walter, K. J. Wiese
"Sampling first-passage times of fractional Brownian Motion using adaptive bisections" (2020)
Phys. Rev. E 101, 043312

[3] I. Bordeu, S. Amarteifio, R. Garcia-Millan, B. Walter, N. Wei, G. Pruessner
"Volume explored by a branching random walk on general graphs" (2019)
Sci. Rep. (9), 15590

[2] R. Garcia-Millan, J. Pausch, B. Walter, G. Pruessner
"Field-theoretic approach to the universality of branching processes" (2018)
arXiv 1808.08418
Phys. Rev. E 98, 062107

[1] J. Martínez-Blanco, B. Walter, A. Mascaraque, K. Horn
"Long-Range Order in an Organic Overlayer Induced by Surface Reconstruction: Coronene on Ge(111)" (2014)
J. Phys. Chem. C 118, 11699–11703

PhD Thesis

Field Theories for Stochastic Processes (Imperial College London, 2020) (download [14.2MB])


Nov 2020, Fractional Brownian Motion, Levy Flights, and Fractional Diffusion. Mini-workshop on transport and long-range interactions, SISSA (Slides)
Sep 2020, First-passage times of thermal active particles. Max Planck Institute for physics of complex systems, Dresden, Germany. (Slides)