Semidefinite programming relaxations for quantum correlations

A Tavakoli, A Pozas-Kerstjens, P Brown… - Reviews of Modern Physics, 2024‏ - APS
Semidefinite programs are convex optimization problems involving a linear objective
function and a domain of positive-semidefinite matrices. Over the past two decades, they …

Catalysis of entanglement and other quantum resources

C Datta, TV Kondra, M Miller… - Reports on Progress in …, 2023‏ - iopscience.iop.org
In chemistry, a catalyst is a substance which enables a chemical reaction or increases its
rate, while remaining unchanged in the process. Instead of chemical reactions, quantum …

Coherence as a Resource for Shor's Algorithm

F Ahnefeld, T Theurer, D Egloff, JM Matera… - Physical Review Letters, 2022‏ - APS
Shor's factoring algorithm provides a superpolynomial speedup over all known classical
factoring algorithms. Here, we address the question of which quantum properties fuel this …

Operational resource theory of imaginarity

KD Wu, TV Kondra, S Rana, CM Scandolo, GY **ang… - Physical Review Letters, 2021‏ - APS
Wave-particle duality is one of the basic features of quantum mechanics, giving rise to the
use of complex numbers in describing states of quantum systems and their dynamics and …

General resource theories in quantum mechanics and beyond: Operational characterization via discrimination tasks

R Takagi, B Regula - Physical Review X, 2019‏ - APS
We establish an operational characterization of general convex resource theories—
describing the resource content of not only states but also measurements and channels …

Quantifying quantum speedups: Improved classical simulation from tighter magic monotones

JR Seddon, B Regula, H Pashayan, Y Ouyang… - PRX Quantum, 2021‏ - APS
Consumption of magic states promotes the stabilizer model of computation to universal
quantum computation. Here, we propose three different classical algorithms for simulating …

No second law of entanglement manipulation after all

L Lami, B Regula - Nature Physics, 2023‏ - nature.com
Many fruitful analogies have emerged between the theories of quantum entanglement and
thermodynamics, motivating the pursuit of an axiomatic description of entanglement akin to …

Resource theory of imaginarity: Quantification and state conversion

KD Wu, TV Kondra, S Rana, CM Scandolo, GY **ang… - Physical Review A, 2021‏ - APS
Complex numbers are widely used in both classical and quantum physics and are
indispensable components for describing quantum systems and their dynamical behavior …

Resource theory of quantum scrambling

RJ Garcia, K Bu, A Jaffe - Proceedings of the National Academy of …, 2023‏ - pnas.org
Quantum chaos has become a cornerstone of physics through its many applications. One
trademark of quantum chaotic systems is the spread of local quantum information, which …

Experimental progress on quantum coherence: detection, quantification, and manipulation

KD Wu, A Streltsov, B Regula, GY **ang… - Advanced Quantum …, 2021‏ - Wiley Online Library
Quantum coherence is a fundamental property of quantum systems, separating quantum
from classical physics. Recently, there has been significant interest in the characterization of …