The experimental realization of increasingly complex quantum states underscores the
pressing need for new methods of state learning and verification. In one such framework …

Free-fermionic states, also known as fermionic Gaussian states, represent an important
class of quantum states ubiquitous in physics. They are uniquely and efficiently described by …

Gaussian states of bosonic quantum systems enjoy numerous technological applications
and are ubiquitous in nature. Their significance lies in their simplicity, which in turn rests on …

We propose efficient algorithms for classically simulating Gaussian unitaries and
measurements applied to non-Gaussian initial states. The constructions are based on …

Randomized benchmarking (RB) is the most commonly employed protocol for the
characterization of unitary operations in quantum circuits due to its reasonable experimental …

Quantum communication systems support unique applications in the form of distributed
quantum computing, distributed quantum sensing, and several cryptographic protocols. The …

Bosonic Gaussian thermal states form a fundamental class of states in quantum information
science. This paper explores the information geometry of these states, focusing on …

The infinitude of the continuous variable (CV) phase space is a serious obstacle in
designing randomized tomography schemes with provable performance guarantees. A …

In the paper of FA Mele, AA Mele, L. Bittel, J. Eisert, V. Giovannetti, L. Lami, L. Leone, SFE
Oliviero, Ar**v: 2405.01431, estimates for the trace-norm distance between two quantum …

Modern quantum devices are highly susceptible to errors, making the verification of their
correct operation a critical problem. Usual tomographic methods rapidly become intractable …