Quantum 2025 – wissenschaftliches Programm

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MON: Monday Contributed Sessions

MON 3: Many-Body Quantum Dynamics I

MON 3.4: Vortrag

Montag, 8. September 2025, 15:00–15:15, ZHG003

Single- and many-body interference in a generalized Mach- Zehnder interferometer — •Farouk Albalacy, Gabriel Dufour, and Andreas Buchleitner — Physikalisches Institut, Albert-Ludwigs-Universität Freiburg

We study the interplay of single- and many-body interference effects in a generalized Mach-Zehnder interferometer with N particles and N ports. Single-particle interference is controlled by the phase differences between the interferometer’s arms. The effect of bosonic or fermionic many-body interference is singled out by tuning the distinguishability of the particles through their internal states. We analyse the output counting statistics for N=2 or 3 partially distinguishable particles as a function of the interferometer phases and of the particles’ internal states.

Keywords: Many-Body interference; Mach-Zehnder interferometer; Partially distinguishability