179

This year's Nobel Prize in Physics

October 6, 2022 by | Uncategorized

By Professor Matt Leifer The Institute for Quantum Studies congratulates Alain Aspect, John F. Clauser and Anton Zeilinger for receiving the 2022 Nobel Prize in Physics  https://www.nobelprize.org/prizes/physics/2022/summary/.  The citation says that they are awarded the prize “for experiments with entangled photons, establishing the violation of Bell inequalities and pioneering quantum information science” Personally, I am

172

The Institute for Quantum Studies congratulates the 2022 winners of the Nobel Prize in Physics

October 5, 2022 by | Uncategorized

The Nobel Prize in Physics 2022 was awarded jointly to Alain Aspect, John F. Clauser and Anton Zeilinger “for experiments with entangled photons, establishing the violation of Bell inequalities and pioneering quantum information science”.  The Institute for Quantum Studies congratulates these scientists.  We are delighted that the Nobel committee has recognized their ground breaking work

164

Quantum Feedback Thermal Machines

September 12, 2022 by | Uncategorized

Wednesday, 14 September 2022 @ 10 AM in 149 Keck Center, or join us on Zoom. Abstract: We will discuss the thermodynamic aspects of a single qubit-based and coupled qubit-based devices, powered by weak quantum measurements, and feedback controlled by a quantum Maxwell’s demon. Single qubit-based device: We will discuss both discrete and time-continuous operation of

161

Generalized super-phenomena for arbitrary quantum observables

September 2, 2022 by | Uncategorized

Wednesday, 7 September 2022 @ 10 AM in 149 Keck Center, or join us on Zoom. Abstract:I will show how to generalize superoscillations to arbitrary observables in quantum mechanics.  Super phenomena of total angular momentum and energy will be described. Using the example of a sequence of harmonic oscillators, I will demonstrate that high energy

157

Quantum information about unknown parameters can be compressed unboundedly without loss

July 14, 2022 by | Uncategorized

Wednesday, 27 July 2022 @ 12 PM in 149 Keck Center, or join us on Zoom. Abstract: Several tasks in quantum-information processing involve quantum learning. For example, quantum sensing, quantum machine learning and quantum-computer calibration involve learning and estimating unknown parameters from measurements of many copies of a quantum state that depends on those parameters.

151

Quantum processes with quantum causal structure

June 16, 2022 by | Uncategorized

Thursday, 30 June 2022 @ 12 PM in 149 Keck Center, or join us on Zoom. Abstract: Quantum Theory requires a background causal structure for its formulation, with temporal and spatial correlations treated in a very asymmetric way. However, spacetime might lose its classical properties  when Quantum Theory combines with General Relativity. This motivates a

148

Superoscillations - Theoretical Aspects and Applications Symposium 2

May 27, 2022 by | Uncategorized

Symposium Information Superoscillations were identified independently by Sir Michael Berry and Yakir Aharonov in very different contexts, but in the last several years the communities of mathematicians and physicists have taken increased interest in this phenomenon, both because of its interesting mathematical characteristics, and because of its many potential applications. This symposium is intended not

140

Post-selection and Quantum Energetics

May 17, 2022 by | Uncategorized

Tuesday, 24 May 2022 @ 2 PM in 149 Keck Center, or join us on Zoom. Abstract: We investigate the anomalous energy change of the measurement apparatus when a qubit is measured in bases that do not commute with energy. We model two possible measurement implementations: one is a quantum clock model with a completely

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