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May 2025

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Quantum Foundations, Dynamical Born Rule and Intrinsic Triple Interference in Quantum Gravity
Mo 05.05.
Quantum Foundations, Dynamical Born Rule and Intrinsic Triple Interference in Quantum Gravity
I will discuss the rigid information geometry of quantum theory, tied to the apparently rigid form of the Born rule, and its…
An interpretation-independent formulation of the measurement problem
We 07.05.
An interpretation-independent formulation of the measurement problem
In this presentation, I do not try to solve the measurement problem, but rather to properly formulate it.
Covariant nonperturbative pointer variables for quantum fields
We 07.05.
Covariant nonperturbative pointer variables for quantum fields
In this talk I will discuss how modelling local, nonperturbative measurements in relativistic field theories has traditionally led to…
Quantum biology: does nature use quantum tricks?
Tu 13.05.
Quantum biology: does nature use quantum tricks?
The recent development of technologies based on fundamental quantum physical phenomena such as superposition and entanglement adds…
Coming full circle - A unified framework for Kochen-Specker contextuality
Tu 13.05.
Coming full circle - A unified framework for Kochen-Specker contextuality
Contextuality is a key distinguishing feature between classical and quantum physics. It expresses a fundamental obstruction to…
What is so quantum about quantum reference frames?
Mo 19.05.
What is so quantum about quantum reference frames?
The concept of a "quantum reference frame" has been explored by physicists and philosophers working together as a way to make sense…
Observation of the quantum equivalence principle for matter-waves
Tu 20.05.
Observation of the quantum equivalence principle for matter-waves
Einstein's general theory of relativity is based on the principle of equivalence - in essence, dating back to Galileo - which asserts…
On Observer-Dependent Description of Quantum State on Identical Particles
Fr 23.05.
On Observer-Dependent Description of Quantum State on Identical Particles
The setup of the Einstein-Podolsky-Rosen (EPR) paradox leads to an observer-dependent description of the quantum state from the…
Signatures and Phenomena: Some philosophical lessons from contemporary particle physics
Mo 26.05.
Signatures and Phenomena: Some philosophical lessons from contemporary particle physics
We argue that the concept of signatures, which is prominently used in particle physics measurements, albeit widely neglected by…

Recent Publications

Obtaining tight bounds on higher-order interferences with a 5-path interferometer
Obtaining tight bounds on higher-order interferences with a 5-path interferometer
Kauten T., R. Keil, T. Kaufmann, B. Press, Č. Brukner, G. Weihs
New Journal of Physics, 19, 033017 (2017)
DOI Website RIS ENW BIB
Interference fringes controlled by noninterfering photons
Interference fringes controlled by noninterfering photons
Hochrainer A., M. Lahiri, R. Lapkiewicz, G. Barreto Lemos, A. Zeilinger
OPTICA, 4, 341-344 (2017)
DOI Website RIS ENW BIB

Talk by Christoph Simon

Quantum biology: does nature use quantum tricks?

Talk by Jacques Pienaar

What is so quantum about quantum reference frames?

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Not even the sky is the limit...

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Happy Birthday, Anton Zeilinger!

Nobel Prize installation with Anton Zeilinger

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Schrödinger’s Notebooks and the History of the Einstein-Podolsky-Rosen Paradox

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(Online) Events

Quantum Foundations, Dynamical Born Rule and Intrinsic Triple Interference in Quantum Gravity

An interpretation-independent formulation of the measurement problem

Covariant nonperturbative pointer variables for quantum fields

Quantum biology: does nature use quantum tricks?

Coming full circle - A unified framework for Kochen-Specker contextuality

What is so quantum about quantum reference frames?

Observation of the quantum equivalence principle for matter-waves

On Observer-Dependent Description of Quantum State on Identical Particles

Signatures and Phenomena: Some philosophical lessons from contemporary particle physics

Recent Publications

Obtaining tight bounds on higher-order interferences with a 5-path interferometer

Interference fringes controlled by noninterfering photons

Talk by Christoph Simon

Talk by Jacques Pienaar

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IQOQI Vienna

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