Classical Limits on Quantum Information Processing—100 Years of Heisenberg Uncertainty
A Special Issue of Entropy (ISSN 1099-4300) belonging to the section "Quantum Information".
Deadline for manuscript submissions: 14 April 2027 | Viewed by 706
Editors
2. Quantum Science Institute, University of Maryland, Baltimore County, Baltimore, MD 21250, USA
Interests: Brownian motion; quantum thermodynamics; theoretical physics; statistical physics; quantum control; quantum speed limit; shortcuts to adiabaticity; quantum information theory; foundations of physics
Special Issues, Collections and Topics in MDPI journals
2. Department of Physics, University of Maryland, Baltimore County, Baltimore, MD 21250, USA
3. Quantum Science Institute, University of Maryland, Baltimore County, Baltimore, MD 21250, USA
Interests: quantum information; quantum computing; statistical physics; thermodynamics; computational physics
2. Quantum Science Institute, University of Maryland, Baltimore County, Baltimore, MD 21250, USA
Interests: quantum many-body systems; quantum chaos and random-matrix theory; quantum information science
Special Issue Information
Dear Colleagues,
One of the most prominent hallmarks of Quantum Mechanics are the so-called Heisenberg uncertainty relations. First published in 1927, these uncertainty relations express that contrary to the creed of classical measurements, canonically conjugate variables of a quantum system cannot be determined with infinite precision from simultaneous observation. The most famous version of this uncertainty relation is typically written as:
∆x ∆p ≥ ħ/2
Here, x is the position, p is the momentum of a quantum object, and ħ is Planck’s constant. While expressing the Heisenberg uncertainty principle for position and momentum is the most famous version, similar relations hold for any pair of non-commuting observables.
Over the last century, understanding this quantum uncertainty has been at the core of research in foundational physics as well as the driving force behind the quantum technological revolution. In a more modern approach, Heisenberg uncertainty is not only understood as a consequence of non-commuting observables, but rather at the inherent inability of classical observers to extract the complete quantum information. Further to being an experimental obstacle and practical measurement limitation, this reframes Heisenberg uncertainty as a fundamental structural constraint governing how information can be distributed and accessed within the quantum state space.
This Special Issue is dedicated to the fundamental limits on the processing and dynamics of dynamics, and its corresponding quantum-to-classical transition. To this end, “Classical Limits on Quantum Information Processing—100 Years of Heisenberg Uncertainty” collects articles dedicated to the emergent classical behavior in quantum information dynamics. This includes, in particular, contributions to:
- Quantum Darwinism
- Quantum to classical transition in information scrambling and chaos
- Classical thermalization in complex quantum many body systems
Dr. Sebastian Deffner
Dr. Emery Doucet
Dr. Tara Kalsi
Guest Editors
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Keywords
- quantum Darwinism
- Heisenberg uncertainty relations
- uncertainty relations
- quantum information dynamics
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