Calendar

A new mathematical formalism for nonlocal spontaneous collapse

The proposal of spontaneous collapse of quantum states has much appeal, as it does not require a lot of metaphysical baggage.

Regional vs global operations - Quantum battery and state discrimination tasks

We will consider energy extraction from quantum batteries and quantum state discrimination by using local quantum operations.

Designing contextuality tests for witnessing various nonclassicalities of photons

Photons exhibit many interesting quantum features, such as entanglement and bosonic indistinguishability, which contradict our classical view.

Pragmatism, Relativism and Quantum Theory

We can understand quantum theory better if we stop asking how it represents the world and ask instead how we are able to use it so successfully in predicting, explaining and controlling the world.

Making Perspectives Physical

My first talk left out physical details of key ideas in a pragmatist sketch of quantum theory. This talk is about what needs to be done to complete the picture.

Quantum Geometry, Observables and Symmetry-Resolved Entanglement

What is a local subsystem in quantum gravity? How do we define its entanglement entropy?

Gravitationally induced decoherence vs space-time diffusion; testing the quantum nature of gravity

We consider two interacting systems when one is treated classically while the other remains quantum. Despite several famous no-go arguments, consistent dynamics of this coupling exist, and we derive its most general form.

March 2023
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