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)

More Links

The article below is "hard to find" which shouldn't be the case for a paper that's more than 100 years old.
E. Schrödinger, Zur Theorie der Fall- und Steigversuche an Teilchen mit Brownscher Bewegung, Phys. Z. (16), 289 (1015).