9 papers
Product testing with single-copy measurements
Jacob Beckey, Luke Coffman, Ariel Shlosberg +2
In this work, we study the sample complexity of two variants of product testing when restricted to single-copy measurements. In particular, we consider both bipartite product testi…
An Operational Framework for Nonclassicality in Quantum Communication Networks
Brian Doolittle, Felix Leditzky, Eric Chitambar
Quantum resources, such as entanglement or quantum communication, offer significant communication advantages in information processing. We develop an operational framework for real…
Localizing multipartite entanglement with local and global measurements
Christopher Vairogs, Samihr Hermes, Felix Leditzky
We study the task of localizing multipartite entanglement in pure quantum states onto a subsystem by measuring the remaining systems. To this end, we fix a multipartite entanglemen…
Approximate Unitary -Designs from Shallow, Low-Communication Circuits
Nicholas LaRacuente, Felix Leditzky
Random unitaries are useful in quantum information and related fields, but hard to generate with limited resources. An approximate unitary -design is an ensemble of unitaries wi…
On the distinguishability of geometrically uniform quantum states
Juntai Zhou, Stefano Chessa, Eric Chitambar +1
A geometrically uniform (GU) ensemble is a uniformly weighted quantum state ensemble generated from a fixed state by a unitary representation of a finite group . In this work we…
Improving quantum communication rates with permutation-invariant codes
Sujeet Bhalerao, Felix Leditzky
In this work we improve the quantum communication rates of various quantum channels of interest using permutation-invariant quantum codes. We focus in particular on parametrized fa…