In Yang-Mills gauge theory on a Cauchy surface the group of physical gauge symmetries carrying direct empirical significance (DES) is often believed to equal a quotient of the group of boundary-preserving gauge symmetries by its subgroup of…

I will present the effects of changes in internal energy on gravity-induced entanglement in interference experiments, which in principle allows for faster-than-light communication.

Since the earliest days of quantum mechanics in the 1920s, efforts have been made to establish its metaphysical foundations.

What did we learn after almost twenty years of research on indefinite causality?

This talk focuses on optimization over moment and state polynomials, i.e., polynomials in noncommuting variables and formal moments or states of their products.

We implement a range of experiments—from quantum foundations through to quantum algorithms—using programmable photonic integrated circuits [1] driven by a semiconductor quantum-dot single-photon source [2].